diff --git a/README.v2.md b/README.v2.md
index 25cf5ac959..1d0e96d79f 100644
--- a/README.v2.md
+++ b/README.v2.md
@@ -45,7 +45,6 @@
       - [Context Properties and Methods](#context-properties-and-methods)
     - [Completions](#completions)
     - [Elicitation](#elicitation)
-    - [Sampling](#sampling)
     - [Logging and Notifications](#logging-and-notifications)
     - [Authentication](#authentication)
     - [MCPServer Properties](#mcpserver-properties)
@@ -931,42 +930,6 @@ The `elicit()` method returns an `ElicitationResult` with:
 
 If the client returns data that doesn't match the schema, `elicit()` raises a `pydantic.ValidationError`.
 
-### Sampling
-
-Tools can interact with LLMs through sampling (generating text):
-
-<!-- snippet-source examples/snippets/servers/sampling.py -->
-```python
-from mcp.server.mcpserver import Context, MCPServer
-from mcp.types import SamplingMessage, TextContent
-
-mcp = MCPServer(name="Sampling Example")
-
-
-@mcp.tool()
-async def generate_poem(topic: str, ctx: Context) -> str:
-    """Generate a poem using LLM sampling."""
-    prompt = f"Write a short poem about {topic}"
-
-    result = await ctx.session.create_message(
-        messages=[
-            SamplingMessage(
-                role="user",
-                content=TextContent(type="text", text=prompt),
-            )
-        ],
-        max_tokens=100,
-    )
-
-    # Since we're not passing tools param, result.content is single content
-    if result.content.type == "text":
-        return result.content.text
-    return str(result.content)
-```
-
-_Full example: [examples/snippets/servers/sampling.py](https://github.com/modelcontextprotocol/python-sdk/blob/main/examples/snippets/servers/sampling.py)_
-<!-- /snippet-source -->
-
 ### Logging and Notifications
 
 Tools can send logs and notifications through the context:
@@ -2108,7 +2071,6 @@ import asyncio
 import os
 
 from mcp import ClientSession, StdioServerParameters, types
-from mcp.client.context import ClientRequestContext
 from mcp.client.stdio import stdio_client
 
 # Create server parameters for stdio connection
@@ -2119,25 +2081,9 @@ server_params = StdioServerParameters(
 )
 
 
-# Optional: create a sampling callback
-async def handle_sampling_message(
-    context: ClientRequestContext, params: types.CreateMessageRequestParams
-) -> types.CreateMessageResult:
-    print(f"Sampling request: {params.messages}")
-    return types.CreateMessageResult(
-        role="assistant",
-        content=types.TextContent(
-            type="text",
-            text="Hello, world! from model",
-        ),
-        model="gpt-3.5-turbo",
-        stop_reason="endTurn",
-    )
-
-
 async def run():
     async with stdio_client(server_params) as (read, write):
-        async with ClientSession(read, write, sampling_callback=handle_sampling_message) as session:
+        async with ClientSession(read, write) as session:
             # Initialize the connection
             await session.initialize()
 
diff --git a/docs/migration.md b/docs/migration.md
index 9fbbbf2ed2..167e183936 100644
--- a/docs/migration.md
+++ b/docs/migration.md
@@ -1199,7 +1199,13 @@ Tasks are expected to return as a separate MCP extension in a future release.
 
 ## Deprecations
 
-<!-- Add deprecations below -->
+### Roots, Sampling, and Logging deprecated (SEP-2577)
+
+[SEP-2577](https://github.com/modelcontextprotocol/modelcontextprotocol/pull/2577) deprecates the Roots, Sampling, and Logging features as of the 2026-07-28 spec. This is advisory only: there are no wire-level changes, capability negotiation is unchanged, and every type remains fully functional for sessions negotiating 2025-11-25 and earlier.
+
+The deprecated capability fields (`ClientCapabilities.roots`, `ClientCapabilities.sampling`, `ClientCapabilities.tasks.requests.sampling`, `ServerCapabilities.logging`) and the associated types (`Root`, `ListRootsRequest`, `ListRootsResult`, `RootsListChangedNotification`, `CreateMessageRequest`/`Params`/`Result`, `SamplingMessage`, `ToolChoice`, `ToolUseContent`, `ToolResultContent`, `ModelPreferences`, `ModelHint`, `SetLevelRequest`/`Params`, `LoggingMessageNotification`/`Params`) are marked with `typing_extensions.deprecated`. Type checkers and IDEs surface a deprecation warning where downstream code uses them; at runtime, accessing a deprecated capability field or constructing a deprecated type emits a `DeprecationWarning`.
+
+No migration is required during the deprecation window. New code should avoid building on these features, since they may be removed in a future spec version.
 
 ## Bug Fixes
 
diff --git a/examples/servers/everything-server/mcp_everything_server/server.py b/examples/servers/everything-server/mcp_everything_server/server.py
index b37ff3e950..b6ea3cd169 100644
--- a/examples/servers/everything-server/mcp_everything_server/server.py
+++ b/examples/servers/everything-server/mcp_everything_server/server.py
@@ -25,8 +25,8 @@
     JSONRPCMessage,
     PromptReference,
     ResourceTemplateReference,
-    SamplingMessage,
-    SetLevelRequestParams,
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
+    SetLevelRequestParams,  # pyright: ignore[reportDeprecated]
     SubscribeRequestParams,
     TextContent,
     TextResourceContents,
@@ -177,7 +177,7 @@ async def test_sampling(prompt: str, ctx: Context) -> str:
     try:
         # Request sampling from client
         result = await ctx.session.create_message(
-            messages=[SamplingMessage(role="user", content=TextContent(type="text", text=prompt))],
+            messages=[SamplingMessage(role="user", content=TextContent(type="text", text=prompt))],  # pyright: ignore[reportDeprecated]
             max_tokens=100,
         )
 
@@ -397,7 +397,7 @@ def test_prompt_with_image() -> list[UserMessage]:
 # Custom request handlers
 # TODO(felix): Add public APIs to MCPServer for subscribe_resource, unsubscribe_resource,
 # and set_logging_level to avoid accessing protected _lowlevel_server attribute.
-async def handle_set_logging_level(ctx: ServerRequestContext, params: SetLevelRequestParams) -> EmptyResult:
+async def handle_set_logging_level(ctx: ServerRequestContext, params: SetLevelRequestParams) -> EmptyResult:  # pyright: ignore[reportDeprecated]
     """Handle logging level changes"""
     logger.info(f"Log level set to: {params.level}")
     return EmptyResult()
@@ -418,7 +418,9 @@ async def handle_unsubscribe(ctx: ServerRequestContext, params: UnsubscribeReque
 
 
 mcp._lowlevel_server.add_request_handler(  # pyright: ignore[reportPrivateUsage]
-    "logging/setLevel", SetLevelRequestParams, handle_set_logging_level
+    "logging/setLevel",
+    SetLevelRequestParams,  # pyright: ignore[reportDeprecated]
+    handle_set_logging_level,
 )
 mcp._lowlevel_server.add_request_handler(  # pyright: ignore[reportPrivateUsage]
     "resources/subscribe", SubscribeRequestParams, handle_subscribe
diff --git a/examples/snippets/clients/stdio_client.py b/examples/snippets/clients/stdio_client.py
index 3f7c4b981b..56446d051a 100644
--- a/examples/snippets/clients/stdio_client.py
+++ b/examples/snippets/clients/stdio_client.py
@@ -6,7 +6,6 @@
 import os
 
 from mcp import ClientSession, StdioServerParameters, types
-from mcp.client.context import ClientRequestContext
 from mcp.client.stdio import stdio_client
 
 # Create server parameters for stdio connection
@@ -17,25 +16,9 @@
 )
 
 
-# Optional: create a sampling callback
-async def handle_sampling_message(
-    context: ClientRequestContext, params: types.CreateMessageRequestParams
-) -> types.CreateMessageResult:
-    print(f"Sampling request: {params.messages}")
-    return types.CreateMessageResult(
-        role="assistant",
-        content=types.TextContent(
-            type="text",
-            text="Hello, world! from model",
-        ),
-        model="gpt-3.5-turbo",
-        stop_reason="endTurn",
-    )
-
-
 async def run():
     async with stdio_client(server_params) as (read, write):
-        async with ClientSession(read, write, sampling_callback=handle_sampling_message) as session:
+        async with ClientSession(read, write) as session:
             # Initialize the connection
             await session.initialize()
 
diff --git a/examples/snippets/servers/__init__.py b/examples/snippets/servers/__init__.py
index f132f875f5..d8ed79eee2 100644
--- a/examples/snippets/servers/__init__.py
+++ b/examples/snippets/servers/__init__.py
@@ -21,7 +21,7 @@ def run_server():
     if len(sys.argv) < 2:
         print("Usage: server <server-name> [transport]")
         print("Available servers: basic_tool, basic_resource, basic_prompt, tool_progress,")
-        print("                   sampling, elicitation, completion, notifications,")
+        print("                   elicitation, completion, notifications,")
         print("                   mcpserver_quickstart, structured_output, images")
         print("Available transports: stdio (default), sse, streamable-http")
         sys.exit(1)
diff --git a/examples/snippets/servers/sampling.py b/examples/snippets/servers/sampling.py
deleted file mode 100644
index 43259589a4..0000000000
--- a/examples/snippets/servers/sampling.py
+++ /dev/null
@@ -1,25 +0,0 @@
-from mcp.server.mcpserver import Context, MCPServer
-from mcp.types import SamplingMessage, TextContent
-
-mcp = MCPServer(name="Sampling Example")
-
-
-@mcp.tool()
-async def generate_poem(topic: str, ctx: Context) -> str:
-    """Generate a poem using LLM sampling."""
-    prompt = f"Write a short poem about {topic}"
-
-    result = await ctx.session.create_message(
-        messages=[
-            SamplingMessage(
-                role="user",
-                content=TextContent(type="text", text=prompt),
-            )
-        ],
-        max_tokens=100,
-    )
-
-    # Since we're not passing tools param, result.content is single content
-    if result.content.type == "text":
-        return result.content.text
-    return str(result.content)
diff --git a/pyproject.toml b/pyproject.toml
index 8f8b8c37e1..31acb3da61 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -213,6 +213,10 @@ filterwarnings = [
     "error",
     # pywin32 internal deprecation warning
     "ignore:getargs.*The 'u' format is deprecated:DeprecationWarning",
+    # SEP-2577 deprecates roots/sampling/logging types; the SDK still builds them
+    # internally to serve <= 2025-11-25 sessions, so the @deprecated runtime warning
+    # is advisory only. Tests asserting it opt back in locally with pytest.warns.
+    "ignore:`.*` is deprecated as of 2026-07-28 \\(SEP-2577\\).:DeprecationWarning",
 ]
 
 [tool.markdown.lint]
diff --git a/src/mcp/__init__.py b/src/mcp/__init__.py
index 4b5caa9cca..636f896f85 100644
--- a/src/mcp/__init__.py
+++ b/src/mcp/__init__.py
@@ -12,8 +12,8 @@
     ClientRequest,
     ClientResult,
     CompleteRequest,
-    CreateMessageRequest,
-    CreateMessageResult,
+    CreateMessageRequest,  # pyright: ignore[reportDeprecated]
+    CreateMessageResult,  # pyright: ignore[reportDeprecated]
     CreateMessageResultWithTools,
     ErrorData,
     GetPromptRequest,
@@ -32,7 +32,7 @@
     ListResourcesResult,
     ListToolsResult,
     LoggingLevel,
-    LoggingMessageNotification,
+    LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
     Notification,
     PingRequest,
     ProgressNotification,
@@ -46,21 +46,21 @@
     SamplingCapability,
     SamplingContent,
     SamplingContextCapability,
-    SamplingMessage,
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
     SamplingMessageContentBlock,
     SamplingToolsCapability,
     ServerCapabilities,
     ServerNotification,
     ServerRequest,
     ServerResult,
-    SetLevelRequest,
+    SetLevelRequest,  # pyright: ignore[reportDeprecated]
     StopReason,
     SubscribeRequest,
     Tool,
-    ToolChoice,
-    ToolResultContent,
+    ToolChoice,  # pyright: ignore[reportDeprecated]
+    ToolResultContent,  # pyright: ignore[reportDeprecated]
     ToolsCapability,
-    ToolUseContent,
+    ToolUseContent,  # pyright: ignore[reportDeprecated]
     UnsubscribeRequest,
 )
 from .types import Role as SamplingRole
diff --git a/src/mcp/client/session.py b/src/mcp/client/session.py
index cd18a67541..fe95d3983f 100644
--- a/src/mcp/client/session.py
+++ b/src/mcp/client/session.py
@@ -53,8 +53,10 @@ class SamplingFnT(Protocol):
     async def __call__(
         self,
         context: ClientRequestContext,
-        params: types.CreateMessageRequestParams,
-    ) -> types.CreateMessageResult | types.CreateMessageResultWithTools | types.ErrorData: ...  # pragma: no branch
+        params: types.CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> (
+        types.CreateMessageResult | types.CreateMessageResultWithTools | types.ErrorData  # pyright: ignore[reportDeprecated]
+    ): ...  # pragma: no branch
 
 
 class ElicitationFnT(Protocol):
@@ -68,11 +70,14 @@ async def __call__(
 class ListRootsFnT(Protocol):
     async def __call__(
         self, context: ClientRequestContext
-    ) -> types.ListRootsResult | types.ErrorData: ...  # pragma: no branch
+    ) -> types.ListRootsResult | types.ErrorData: ...  # pragma: no branch  # pyright: ignore[reportDeprecated]
 
 
 class LoggingFnT(Protocol):
-    async def __call__(self, params: types.LoggingMessageNotificationParams) -> None: ...  # pragma: no branch
+    async def __call__(
+        self,
+        params: types.LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
+    ) -> None: ...  # pragma: no branch
 
 
 class MessageHandlerFnT(Protocol):
@@ -90,8 +95,8 @@ async def _default_message_handler(
 
 async def _default_sampling_callback(
     context: ClientRequestContext,
-    params: types.CreateMessageRequestParams,
-) -> types.CreateMessageResult | types.CreateMessageResultWithTools | types.ErrorData:
+    params: types.CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+) -> types.CreateMessageResult | types.CreateMessageResultWithTools | types.ErrorData:  # pyright: ignore[reportDeprecated]
     return types.ErrorData(
         code=types.INVALID_REQUEST,
         message="Sampling not supported",
@@ -110,7 +115,7 @@ async def _default_elicitation_callback(
 
 async def _default_list_roots_callback(
     context: ClientRequestContext,
-) -> types.ListRootsResult | types.ErrorData:
+) -> types.ListRootsResult | types.ErrorData:  # pyright: ignore[reportDeprecated]
     return types.ErrorData(
         code=types.INVALID_REQUEST,
         message="List roots not supported",
@@ -118,7 +123,7 @@ async def _default_list_roots_callback(
 
 
 async def _default_logging_callback(
-    params: types.LoggingMessageNotificationParams,
+    params: types.LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
 ) -> None:
     pass
 
@@ -394,7 +399,7 @@ async def set_logging_level(
     ) -> types.EmptyResult:
         """Send a logging/setLevel request."""
         return await self.send_request(
-            types.SetLevelRequest(params=types.SetLevelRequestParams(level=level, _meta=meta)),
+            types.SetLevelRequest(params=types.SetLevelRequestParams(level=level, _meta=meta)),  # pyright: ignore[reportDeprecated]
             types.EmptyResult,
         )
 
@@ -552,7 +557,7 @@ async def list_tools(self, *, params: types.PaginatedRequestParams | None = None
 
     async def send_roots_list_changed(self) -> None:
         """Send a roots/list_changed notification."""
-        await self.send_notification(types.RootsListChangedNotification())
+        await self.send_notification(types.RootsListChangedNotification())  # pyright: ignore[reportDeprecated]
 
     async def _on_request(
         self, dctx: DispatchContext[TransportContext], method: str, params: Mapping[str, Any] | None
@@ -577,11 +582,11 @@ async def _on_request(
                 session=self, request_id=dctx.request_id, meta=request.params.meta if request.params else None
             )
             match request:
-                case types.CreateMessageRequest(params=sampling_params):
+                case types.CreateMessageRequest(params=sampling_params):  # pyright: ignore[reportDeprecated]
                     response = await self._sampling_callback(ctx, sampling_params)
                 case types.ElicitRequest(params=elicit_params):
                     response = await self._elicitation_callback(ctx, elicit_params)
-                case types.ListRootsRequest():  # pragma: no branch
+                case types.ListRootsRequest():  # pragma: no branch  # pyright: ignore[reportDeprecated]
                     response = await self._list_roots_callback(ctx)
         client_response = ClientResponse.validate_python(response)
         if isinstance(client_response, types.ErrorData):
@@ -612,7 +617,7 @@ async def _on_notify(
             # The dispatcher already applied the cancellation; not surfaced to message_handler.
             return
         try:
-            if isinstance(notification, types.LoggingMessageNotification):
+            if isinstance(notification, types.LoggingMessageNotification):  # pyright: ignore[reportDeprecated]
                 await self._logging_callback(notification.params)
             await self._message_handler(notification)
         except Exception:
diff --git a/src/mcp/server/connection.py b/src/mcp/server/connection.py
index e0f406a200..b04f163997 100644
--- a/src/mcp/server/connection.py
+++ b/src/mcp/server/connection.py
@@ -26,14 +26,14 @@
 from mcp.shared.peer import Meta, dump_params
 from mcp.types import (
     ClientCapabilities,
-    CreateMessageRequest,
-    CreateMessageResult,
+    CreateMessageRequest,  # pyright: ignore[reportDeprecated]
+    CreateMessageResult,  # pyright: ignore[reportDeprecated]
     ElicitRequest,
     ElicitResult,
     EmptyResult,
     InitializeRequestParams,
-    ListRootsRequest,
-    ListRootsResult,
+    ListRootsRequest,  # pyright: ignore[reportDeprecated]
+    ListRootsResult,  # pyright: ignore[reportDeprecated]
     LoggingLevel,
     PingRequest,
     Request,
@@ -52,9 +52,9 @@
 # request types themselves (a `__mcp_result__` ClassVar read via a structural
 # protocol) so this table and the overload ladder don't need maintaining.
 _RESULT_FOR: dict[type[Request[Any, Any]], type[BaseModel]] = {
-    CreateMessageRequest: CreateMessageResult,
+    CreateMessageRequest: CreateMessageResult,  # pyright: ignore[reportDeprecated]
     ElicitRequest: ElicitResult,
-    ListRootsRequest: ListRootsResult,
+    ListRootsRequest: ListRootsResult,  # pyright: ignore[reportDeprecated]
     PingRequest: EmptyResult,
 }
 
@@ -145,12 +145,15 @@ async def send_raw_request(
 
     @overload
     async def send_request(
-        self, req: CreateMessageRequest, *, opts: CallOptions | None = None
-    ) -> CreateMessageResult: ...
+        self,
+        req: CreateMessageRequest,  # pyright: ignore[reportDeprecated]
+        *,
+        opts: CallOptions | None = None,
+    ) -> CreateMessageResult: ...  # pyright: ignore[reportDeprecated]
     @overload
     async def send_request(self, req: ElicitRequest, *, opts: CallOptions | None = None) -> ElicitResult: ...
     @overload
-    async def send_request(self, req: ListRootsRequest, *, opts: CallOptions | None = None) -> ListRootsResult: ...
+    async def send_request(self, req: ListRootsRequest, *, opts: CallOptions | None = None) -> ListRootsResult: ...  # pyright: ignore[reportDeprecated]
     @overload
     async def send_request(self, req: PingRequest, *, opts: CallOptions | None = None) -> EmptyResult: ...
     @overload
diff --git a/src/mcp/server/lowlevel/server.py b/src/mcp/server/lowlevel/server.py
index d2536189d0..8f0f04960f 100644
--- a/src/mcp/server/lowlevel/server.py
+++ b/src/mcp/server/lowlevel/server.py
@@ -184,7 +184,7 @@ def __init__(
         ]
         | None = None,
         on_set_logging_level: Callable[
-            [ServerRequestContext[LifespanResultT], types.SetLevelRequestParams],
+            [ServerRequestContext[LifespanResultT], types.SetLevelRequestParams],  # pyright: ignore[reportDeprecated]
             Awaitable[types.EmptyResult],
         ]
         | None = None,
@@ -235,7 +235,7 @@ def __init__(
             ("resources/unsubscribe", types.UnsubscribeRequestParams, on_unsubscribe_resource),
             ("tools/list", types.PaginatedRequestParams, on_list_tools),
             ("tools/call", types.CallToolRequestParams, on_call_tool),
-            ("logging/setLevel", types.SetLevelRequestParams, on_set_logging_level),
+            ("logging/setLevel", types.SetLevelRequestParams, on_set_logging_level),  # pyright: ignore[reportDeprecated]
             ("completion/complete", types.CompleteRequestParams, on_completion),
         ]
         self._request_handlers.update({m: HandlerEntry(pt, h) for m, pt, h in _spec_requests if h is not None})
diff --git a/src/mcp/server/session.py b/src/mcp/server/session.py
index f56b87c9a3..df09f84b83 100644
--- a/src/mcp/server/session.py
+++ b/src/mcp/server/session.py
@@ -135,8 +135,8 @@ async def send_log_message(
     ) -> None:
         """Send a log message notification."""
         await self.send_notification(
-            types.LoggingMessageNotification(
-                params=types.LoggingMessageNotificationParams(
+            types.LoggingMessageNotification(  # pyright: ignore[reportDeprecated]
+                params=types.LoggingMessageNotificationParams(  # pyright: ignore[reportDeprecated]
                     level=level,
                     data=data,
                     logger=logger,
@@ -156,7 +156,7 @@ async def send_resource_updated(self, uri: str | AnyUrl) -> None:
     @overload
     async def create_message(
         self,
-        messages: list[types.SamplingMessage],
+        messages: list[types.SamplingMessage],  # pyright: ignore[reportDeprecated]
         *,
         max_tokens: int,
         system_prompt: str | None = None,
@@ -164,18 +164,18 @@ async def create_message(
         temperature: float | None = None,
         stop_sequences: list[str] | None = None,
         metadata: dict[str, Any] | None = None,
-        model_preferences: types.ModelPreferences | None = None,
+        model_preferences: types.ModelPreferences | None = None,  # pyright: ignore[reportDeprecated]
         tools: None = None,
-        tool_choice: types.ToolChoice | None = None,
+        tool_choice: types.ToolChoice | None = None,  # pyright: ignore[reportDeprecated]
         related_request_id: types.RequestId | None = None,
-    ) -> types.CreateMessageResult:
+    ) -> types.CreateMessageResult:  # pyright: ignore[reportDeprecated]
         """Overload: Without tools, returns single content."""
         ...
 
     @overload
     async def create_message(
         self,
-        messages: list[types.SamplingMessage],
+        messages: list[types.SamplingMessage],  # pyright: ignore[reportDeprecated]
         *,
         max_tokens: int,
         system_prompt: str | None = None,
@@ -183,9 +183,9 @@ async def create_message(
         temperature: float | None = None,
         stop_sequences: list[str] | None = None,
         metadata: dict[str, Any] | None = None,
-        model_preferences: types.ModelPreferences | None = None,
+        model_preferences: types.ModelPreferences | None = None,  # pyright: ignore[reportDeprecated]
         tools: list[types.Tool],
-        tool_choice: types.ToolChoice | None = None,
+        tool_choice: types.ToolChoice | None = None,  # pyright: ignore[reportDeprecated]
         related_request_id: types.RequestId | None = None,
     ) -> types.CreateMessageResultWithTools:
         """Overload: With tools, returns array-capable content."""
@@ -193,7 +193,7 @@ async def create_message(
 
     async def create_message(
         self,
-        messages: list[types.SamplingMessage],
+        messages: list[types.SamplingMessage],  # pyright: ignore[reportDeprecated]
         *,
         max_tokens: int,
         system_prompt: str | None = None,
@@ -201,11 +201,11 @@ async def create_message(
         temperature: float | None = None,
         stop_sequences: list[str] | None = None,
         metadata: dict[str, Any] | None = None,
-        model_preferences: types.ModelPreferences | None = None,
+        model_preferences: types.ModelPreferences | None = None,  # pyright: ignore[reportDeprecated]
         tools: list[types.Tool] | None = None,
-        tool_choice: types.ToolChoice | None = None,
+        tool_choice: types.ToolChoice | None = None,  # pyright: ignore[reportDeprecated]
         related_request_id: types.RequestId | None = None,
-    ) -> types.CreateMessageResult | types.CreateMessageResultWithTools:
+    ) -> types.CreateMessageResult | types.CreateMessageResultWithTools:  # pyright: ignore[reportDeprecated]
         """Send a sampling/create_message request.
 
         Args:
@@ -239,8 +239,8 @@ async def create_message(
         validate_sampling_tools(client_caps, tools, tool_choice)
         validate_tool_use_result_messages(messages)
 
-        request = types.CreateMessageRequest(
-            params=types.CreateMessageRequestParams(
+        request = types.CreateMessageRequest(  # pyright: ignore[reportDeprecated]
+            params=types.CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
                 messages=messages,
                 system_prompt=system_prompt,
                 include_context=include_context,
@@ -263,17 +263,17 @@ async def create_message(
             )
         return await self.send_request(
             request=request,
-            result_type=types.CreateMessageResult,
+            result_type=types.CreateMessageResult,  # pyright: ignore[reportDeprecated]
             metadata=metadata_obj,
         )
 
-    async def list_roots(self) -> types.ListRootsResult:
+    async def list_roots(self) -> types.ListRootsResult:  # pyright: ignore[reportDeprecated]
         """Send a roots/list request."""
         if self._stateless:
             raise StatelessModeNotSupported(method="list_roots")
         return await self.send_request(
-            types.ListRootsRequest(),
-            types.ListRootsResult,
+            types.ListRootsRequest(),  # pyright: ignore[reportDeprecated]
+            types.ListRootsResult,  # pyright: ignore[reportDeprecated]
         )
 
     async def elicit(
diff --git a/src/mcp/server/validation.py b/src/mcp/server/validation.py
index 08f5754f1e..6e4c502ad9 100644
--- a/src/mcp/server/validation.py
+++ b/src/mcp/server/validation.py
@@ -4,7 +4,13 @@
 """
 
 from mcp.shared.exceptions import MCPError
-from mcp.types import INVALID_PARAMS, ClientCapabilities, SamplingMessage, Tool, ToolChoice
+from mcp.types import (
+    INVALID_PARAMS,
+    ClientCapabilities,
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
+    Tool,
+    ToolChoice,  # pyright: ignore[reportDeprecated]
+)
 
 
 def check_sampling_tools_capability(client_caps: ClientCapabilities | None) -> bool:
@@ -28,7 +34,7 @@ def check_sampling_tools_capability(client_caps: ClientCapabilities | None) -> b
 def validate_sampling_tools(
     client_caps: ClientCapabilities | None,
     tools: list[Tool] | None,
-    tool_choice: ToolChoice | None,
+    tool_choice: ToolChoice | None,  # pyright: ignore[reportDeprecated]
 ) -> None:
     """Validate that the client supports sampling tools if tools are being used.
 
@@ -45,7 +51,7 @@ def validate_sampling_tools(
             raise MCPError(code=INVALID_PARAMS, message="Client does not support sampling tools capability")
 
 
-def validate_tool_use_result_messages(messages: list[SamplingMessage]) -> None:
+def validate_tool_use_result_messages(messages: list[SamplingMessage]) -> None:  # pyright: ignore[reportDeprecated]
     """Validate tool_use/tool_result message structure per SEP-1577.
 
     This validation ensures:
diff --git a/src/mcp/shared/peer.py b/src/mcp/shared/peer.py
index 410b96a975..74a5024a80 100644
--- a/src/mcp/shared/peer.py
+++ b/src/mcp/shared/peer.py
@@ -16,21 +16,21 @@
 
 from mcp.shared.dispatcher import CallOptions, Outbound
 from mcp.types import (
-    CreateMessageRequestParams,
-    CreateMessageResult,
+    CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    CreateMessageResult,  # pyright: ignore[reportDeprecated]
     CreateMessageResultWithTools,
     ElicitRequestedSchema,
     ElicitRequestFormParams,
     ElicitRequestURLParams,
     ElicitResult,
     IncludeContext,
-    ListRootsResult,
-    ModelPreferences,
+    ListRootsResult,  # pyright: ignore[reportDeprecated]
+    ModelPreferences,  # pyright: ignore[reportDeprecated]
     RequestParams,
     RequestParamsMeta,
-    SamplingMessage,
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
     Tool,
-    ToolChoice,
+    ToolChoice,  # pyright: ignore[reportDeprecated]
 )
 
 __all__ = ["ClientPeer", "Meta"]
@@ -85,7 +85,7 @@ async def notify(self, method: str, params: Mapping[str, Any] | None) -> None:
     @overload
     async def sample(
         self,
-        messages: list[SamplingMessage],
+        messages: list[SamplingMessage],  # pyright: ignore[reportDeprecated]
         *,
         max_tokens: int,
         system_prompt: str | None = None,
@@ -93,16 +93,16 @@ async def sample(
         temperature: float | None = None,
         stop_sequences: list[str] | None = None,
         metadata: dict[str, Any] | None = None,
-        model_preferences: ModelPreferences | None = None,
+        model_preferences: ModelPreferences | None = None,  # pyright: ignore[reportDeprecated]
         tools: None = None,
-        tool_choice: ToolChoice | None = None,
+        tool_choice: ToolChoice | None = None,  # pyright: ignore[reportDeprecated]
         meta: Meta | None = None,
         opts: CallOptions | None = None,
-    ) -> CreateMessageResult: ...
+    ) -> CreateMessageResult: ...  # pyright: ignore[reportDeprecated]
     @overload
     async def sample(
         self,
-        messages: list[SamplingMessage],
+        messages: list[SamplingMessage],  # pyright: ignore[reportDeprecated]
         *,
         max_tokens: int,
         system_prompt: str | None = None,
@@ -110,15 +110,15 @@ async def sample(
         temperature: float | None = None,
         stop_sequences: list[str] | None = None,
         metadata: dict[str, Any] | None = None,
-        model_preferences: ModelPreferences | None = None,
+        model_preferences: ModelPreferences | None = None,  # pyright: ignore[reportDeprecated]
         tools: list[Tool],
-        tool_choice: ToolChoice | None = None,
+        tool_choice: ToolChoice | None = None,  # pyright: ignore[reportDeprecated]
         meta: Meta | None = None,
         opts: CallOptions | None = None,
     ) -> CreateMessageResultWithTools: ...
     async def sample(
         self,
-        messages: list[SamplingMessage],
+        messages: list[SamplingMessage],  # pyright: ignore[reportDeprecated]
         *,
         max_tokens: int,
         system_prompt: str | None = None,
@@ -126,12 +126,12 @@ async def sample(
         temperature: float | None = None,
         stop_sequences: list[str] | None = None,
         metadata: dict[str, Any] | None = None,
-        model_preferences: ModelPreferences | None = None,
+        model_preferences: ModelPreferences | None = None,  # pyright: ignore[reportDeprecated]
         tools: list[Tool] | None = None,
-        tool_choice: ToolChoice | None = None,
+        tool_choice: ToolChoice | None = None,  # pyright: ignore[reportDeprecated]
         meta: Meta | None = None,
         opts: CallOptions | None = None,
-    ) -> CreateMessageResult | CreateMessageResultWithTools:
+    ) -> CreateMessageResult | CreateMessageResultWithTools:  # pyright: ignore[reportDeprecated]
         """Send a `sampling/createMessage` request to the peer.
 
         Raises:
@@ -139,7 +139,7 @@ async def sample(
             NoBackChannelError: No back-channel for server-initiated requests.
             pydantic.ValidationError: The peer's result does not match the expected result type.
         """
-        params = CreateMessageRequestParams(
+        params = CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
             messages=messages,
             system_prompt=system_prompt,
             include_context=include_context,
@@ -154,7 +154,7 @@ async def sample(
         result = await self.send_raw_request("sampling/createMessage", dump_params(params, meta), opts)
         if tools is not None:
             return CreateMessageResultWithTools.model_validate(result, by_name=False)
-        return CreateMessageResult.model_validate(result, by_name=False)
+        return CreateMessageResult.model_validate(result, by_name=False)  # pyright: ignore[reportDeprecated]
 
     async def elicit_form(
         self,
@@ -195,7 +195,7 @@ async def elicit_url(
         result = await self.send_raw_request("elicitation/create", dump_params(params, meta), opts)
         return ElicitResult.model_validate(result, by_name=False)
 
-    async def list_roots(self, *, meta: Meta | None = None, opts: CallOptions | None = None) -> ListRootsResult:
+    async def list_roots(self, *, meta: Meta | None = None, opts: CallOptions | None = None) -> ListRootsResult:  # pyright: ignore[reportDeprecated]
         """Send a `roots/list` request.
 
         Raises:
@@ -204,7 +204,7 @@ async def list_roots(self, *, meta: Meta | None = None, opts: CallOptions | None
             pydantic.ValidationError: The peer's result does not match the expected result type.
         """
         result = await self.send_raw_request("roots/list", dump_params(None, meta), opts)
-        return ListRootsResult.model_validate(result, by_name=False)
+        return ListRootsResult.model_validate(result, by_name=False)  # pyright: ignore[reportDeprecated]
 
     async def ping(self, *, meta: Meta | None = None, opts: CallOptions | None = None) -> None:
         """Send a `ping` request and ignore the result.
diff --git a/src/mcp/types/__init__.py b/src/mcp/types/__init__.py
index 992d584687..199ccf1e8b 100644
--- a/src/mcp/types/__init__.py
+++ b/src/mcp/types/__init__.py
@@ -39,9 +39,9 @@
     CompletionContext,
     CompletionsCapability,
     ContentBlock,
-    CreateMessageRequest,
-    CreateMessageRequestParams,
-    CreateMessageResult,
+    CreateMessageRequest,  # pyright: ignore[reportDeprecated]
+    CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    CreateMessageResult,  # pyright: ignore[reportDeprecated]
     CreateMessageResultWithTools,
     CreateTaskResult,
     DiscoverRequest,
@@ -89,19 +89,19 @@
     ListResourcesResult,
     ListResourceTemplatesRequest,
     ListResourceTemplatesResult,
-    ListRootsRequest,
-    ListRootsResult,
+    ListRootsRequest,  # pyright: ignore[reportDeprecated]
+    ListRootsResult,  # pyright: ignore[reportDeprecated]
     ListTasksRequest,
     ListTasksResult,
     ListToolsRequest,
     ListToolsResult,
     LoggingCapability,
     LoggingLevel,
-    LoggingMessageNotification,
-    LoggingMessageNotificationParams,
+    LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
+    LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
     MissingRequiredClientCapabilityErrorData,
-    ModelHint,
-    ModelPreferences,
+    ModelHint,  # pyright: ignore[reportDeprecated]
+    ModelPreferences,  # pyright: ignore[reportDeprecated]
     Notification,
     NotificationParams,
     PaginatedRequest,
@@ -136,13 +136,13 @@
     Result,
     ResultType,
     Role,
-    Root,
+    Root,  # pyright: ignore[reportDeprecated]
     RootsCapability,
-    RootsListChangedNotification,
+    RootsListChangedNotification,  # pyright: ignore[reportDeprecated]
     SamplingCapability,
     SamplingContent,
     SamplingContextCapability,
-    SamplingMessage,
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
     SamplingMessageContentBlock,
     SamplingToolsCapability,
     ServerCapabilities,
@@ -151,8 +151,8 @@
     ServerResult,
     ServerTasksCapability,
     ServerTasksRequestsCapability,
-    SetLevelRequest,
-    SetLevelRequestParams,
+    SetLevelRequest,  # pyright: ignore[reportDeprecated]
+    SetLevelRequestParams,  # pyright: ignore[reportDeprecated]
     StopReason,
     SubscribeRequest,
     SubscribeRequestParams,
@@ -178,12 +178,12 @@
     TextResourceContents,
     Tool,
     ToolAnnotations,
-    ToolChoice,
+    ToolChoice,  # pyright: ignore[reportDeprecated]
     ToolExecution,
     ToolListChangedNotification,
-    ToolResultContent,
+    ToolResultContent,  # pyright: ignore[reportDeprecated]
     ToolsCapability,
-    ToolUseContent,
+    ToolUseContent,  # pyright: ignore[reportDeprecated]
     UnsubscribeRequest,
     UnsubscribeRequestParams,
     UnsupportedProtocolVersionErrorData,
diff --git a/src/mcp/types/_types.py b/src/mcp/types/_types.py
index 82b4a084d5..d84b31a017 100644
--- a/src/mcp/types/_types.py
+++ b/src/mcp/types/_types.py
@@ -18,7 +18,7 @@
     TypeAdapter,
 )
 from pydantic.alias_generators import to_camel
-from typing_extensions import NotRequired, TypedDict
+from typing_extensions import NotRequired, TypedDict, deprecated
 
 from mcp.types.jsonrpc import RequestId
 
@@ -361,7 +361,10 @@ class TasksElicitationCapability(MCPModel):
 class ClientTasksRequestsCapability(MCPModel):
     """Specifies which request types the client can augment with tasks (2025-11-25 only)."""
 
-    sampling: TasksSamplingCapability | None = None
+    sampling: Annotated[
+        TasksSamplingCapability | None,
+        deprecated("`tasks.requests.sampling` is deprecated as of 2026-07-28 (SEP-2577)."),
+    ] = None
     elicitation: TasksElicitationCapability | None = None
 
 
@@ -382,15 +385,18 @@ class ClientCapabilities(MCPModel):
 
     experimental: dict[str, dict[str, Any]] | None = None
     """Experimental, non-standard capabilities that the client supports."""
-    sampling: SamplingCapability | None = None
+    sampling: Annotated[
+        SamplingCapability | None, deprecated("`sampling` is deprecated as of 2026-07-28 (SEP-2577).")
+    ] = None
     """
     Present if the client supports sampling from an LLM.
     Can contain fine-grained capabilities like context and tools support.
+    Deprecated in 2026-07-28 (SEP-2577).
     """
     elicitation: ElicitationCapability | None = None
     """Present if the client supports elicitation from the user."""
-    roots: RootsCapability | None = None
-    """Present if the client supports listing roots."""
+    roots: Annotated[RootsCapability | None, deprecated("`roots` is deprecated as of 2026-07-28 (SEP-2577).")] = None
+    """Present if the client supports listing roots. Deprecated in 2026-07-28 (SEP-2577)."""
     extensions: dict[str, dict[str, Any]] | None = None
     """MCP extensions the client supports (2026-07-28). Keys are extension
     identifiers; values are per-extension settings (empty object = no settings)."""
@@ -475,7 +481,9 @@ class ServerCapabilities(MCPModel):
     experimental: dict[str, dict[str, Any]] | None = None
     """Experimental, non-standard capabilities that the server supports."""
 
-    logging: LoggingCapability | None = None
+    logging: Annotated[LoggingCapability | None, deprecated("`logging` is deprecated as of 2026-07-28 (SEP-2577).")] = (
+        None
+    )
     """Present if the server supports sending log messages to the client.
     Deprecated in 2026-07-28 (SEP-2577)."""
 
@@ -1173,6 +1181,7 @@ class AudioContent(MCPModel):
     """
 
 
+@deprecated("`ToolUseContent` is deprecated as of 2026-07-28 (SEP-2577).")
 class ToolUseContent(MCPModel):
     """An assistant's request to invoke a tool during sampling (2025-11-25+).
 
@@ -1198,6 +1207,7 @@ class ToolUseContent(MCPModel):
     requests to enable caching optimizations."""
 
 
+@deprecated("`ToolResultContent` is deprecated as of 2026-07-28 (SEP-2577).")
 class ToolResultContent(MCPModel):
     """The result of a tool use, provided by the user back to the assistant (2025-11-25+).
 
@@ -1226,7 +1236,7 @@ class ToolResultContent(MCPModel):
     requests to enable caching optimizations."""
 
 
-SamplingMessageContentBlock: TypeAlias = TextContent | ImageContent | AudioContent | ToolUseContent | ToolResultContent
+SamplingMessageContentBlock: TypeAlias = TextContent | ImageContent | AudioContent | ToolUseContent | ToolResultContent  # pyright: ignore[reportDeprecated]
 """Content block types allowed in sampling messages.
 
 This is the widest (2025-11-25+) membership; older sessions allow only a subset
@@ -1241,8 +1251,9 @@ class ToolResultContent(MCPModel):
 """
 
 
+@deprecated("`SamplingMessage` is deprecated as of 2026-07-28 (SEP-2577).")
 class SamplingMessage(MCPModel):
-    """Describes a message issued to or received from an LLM API."""
+    """Describes a message issued to or received from an LLM API. Deprecated in 2026-07-28 (SEP-2577)."""
 
     role: Role
     content: SamplingMessageContentBlock | list[SamplingMessageContentBlock]
@@ -1478,6 +1489,7 @@ class ToolListChangedNotification(Notification[NotificationParams | None, Litera
 """
 
 
+@deprecated("`SetLevelRequestParams` is deprecated as of 2026-07-28 (SEP-2577).")
 class SetLevelRequestParams(RequestParams):
     """Parameters for setting the logging level.
 
@@ -1489,7 +1501,8 @@ class SetLevelRequestParams(RequestParams):
     The server should send all logs at this level and higher (more severe)."""
 
 
-class SetLevelRequest(Request[SetLevelRequestParams, Literal["logging/setLevel"]]):
+@deprecated("`SetLevelRequest` is deprecated as of 2026-07-28 (SEP-2577).")
+class SetLevelRequest(Request[SetLevelRequestParams, Literal["logging/setLevel"]]):  # pyright: ignore[reportDeprecated]
     """A request from the client to the server, to enable or adjust logging.
 
     Removed in protocol 2026-07-28; sent/received on sessions negotiating <= 2025-11-25.
@@ -1497,9 +1510,10 @@ class SetLevelRequest(Request[SetLevelRequestParams, Literal["logging/setLevel"]
     """
 
     method: Literal["logging/setLevel"] = "logging/setLevel"
-    params: SetLevelRequestParams
+    params: SetLevelRequestParams  # pyright: ignore[reportDeprecated]
 
 
+@deprecated("`LoggingMessageNotificationParams` is deprecated as of 2026-07-28 (SEP-2577).")
 class LoggingMessageNotificationParams(NotificationParams):
     level: LoggingLevel
     """The severity of this log message."""
@@ -1512,7 +1526,8 @@ class LoggingMessageNotificationParams(NotificationParams):
     """
 
 
-class LoggingMessageNotification(Notification[LoggingMessageNotificationParams, Literal["notifications/message"]]):
+@deprecated("`LoggingMessageNotification` is deprecated as of 2026-07-28 (SEP-2577).")
+class LoggingMessageNotification(Notification[LoggingMessageNotificationParams, Literal["notifications/message"]]):  # pyright: ignore[reportDeprecated]
     """Notification of a log message passed from server to client.
 
     Through 2025-11-25 the client subscribes via `logging/setLevel`. On
@@ -1521,7 +1536,7 @@ class LoggingMessageNotification(Notification[LoggingMessageNotificationParams,
     """
 
     method: Literal["notifications/message"] = "notifications/message"
-    params: LoggingMessageNotificationParams
+    params: LoggingMessageNotificationParams  # pyright: ignore[reportDeprecated]
 
 
 IncludeContext = Literal["none", "thisServer", "allServers"]
@@ -1531,6 +1546,7 @@ class LoggingMessageNotification(Notification[LoggingMessageNotificationParams,
 """
 
 
+@deprecated("`ModelHint` is deprecated as of 2026-07-28 (SEP-2577).")
 class ModelHint(MCPModel):
     """Hints to use for model selection.
 
@@ -1547,6 +1563,7 @@ class ModelHint(MCPModel):
     """
 
 
+@deprecated("`ModelPreferences` is deprecated as of 2026-07-28 (SEP-2577).")
 class ModelPreferences(MCPModel):
     """The server's preferences for model selection, requested of the client during
     sampling.
@@ -1564,7 +1581,7 @@ class ModelPreferences(MCPModel):
     Deprecated in 2026-07-28 (SEP-2577) with the rest of sampling.
     """
 
-    hints: list[ModelHint] | None = None
+    hints: list[ModelHint] | None = None  # pyright: ignore[reportDeprecated]
     """
     Optional hints to use for model selection.
 
@@ -1597,6 +1614,7 @@ class ModelPreferences(MCPModel):
     """
 
 
+@deprecated("`ToolChoice` is deprecated as of 2026-07-28 (SEP-2577).")
 class ToolChoice(MCPModel):
     """Controls tool selection behavior for sampling requests (2025-11-25+).
 
@@ -1613,10 +1631,11 @@ class ToolChoice(MCPModel):
     """
 
 
+@deprecated("`CreateMessageRequestParams` is deprecated as of 2026-07-28 (SEP-2577).")
 class CreateMessageRequestParams(RequestParams):
-    messages: list[SamplingMessage]
+    messages: list[SamplingMessage]  # pyright: ignore[reportDeprecated]
     """The conversation to sample from."""
-    model_preferences: ModelPreferences | None = None
+    model_preferences: ModelPreferences | None = None  # pyright: ignore[reportDeprecated]
     """
     The server's preferences for which model to select. The client MAY ignore
     these preferences.
@@ -1638,14 +1657,15 @@ class CreateMessageRequestParams(RequestParams):
     tools: list[Tool] | None = None
     """Tools the model may use during generation (2025-11-25+). Requires the
     `sampling.tools` client capability."""
-    tool_choice: ToolChoice | None = None
+    tool_choice: ToolChoice | None = None  # pyright: ignore[reportDeprecated]
     """Controls how the model uses tools (2025-11-25+). Requires the
     `sampling.tools` client capability."""
     task: TaskMetadata | None = None
     """If specified, the caller requests task-augmented execution (2025-11-25 only)."""
 
 
-class CreateMessageRequest(Request[CreateMessageRequestParams, Literal["sampling/createMessage"]]):
+@deprecated("`CreateMessageRequest` is deprecated as of 2026-07-28 (SEP-2577).")
+class CreateMessageRequest(Request[CreateMessageRequestParams, Literal["sampling/createMessage"]]):  # pyright: ignore[reportDeprecated]
     """A request from the server to sample an LLM via the client.
 
     The client has full discretion over which model to select and should inform
@@ -1655,7 +1675,7 @@ class CreateMessageRequest(Request[CreateMessageRequestParams, Literal["sampling
     """
 
     method: Literal["sampling/createMessage"] = "sampling/createMessage"
-    params: CreateMessageRequestParams
+    params: CreateMessageRequestParams  # pyright: ignore[reportDeprecated]
 
 
 StopReason = Literal["endTurn", "stopSequence", "maxTokens", "toolUse"] | str
@@ -1665,6 +1685,7 @@ class CreateMessageRequest(Request[CreateMessageRequestParams, Literal["sampling
 """
 
 
+@deprecated("`CreateMessageResult` is deprecated as of 2026-07-28 (SEP-2577).")
 class CreateMessageResult(Result):
     """The client's response to a sampling/createMessage request from the server.
 
@@ -1790,6 +1811,7 @@ class CompleteResult(Result):
     """See `ResultType`. Always serialized; older peers ignore it."""
 
 
+@deprecated("`ListRootsRequest` is deprecated as of 2026-07-28 (SEP-2577).")
 class ListRootsRequest(Request[RequestParams | None, Literal["roots/list"]]):
     """Sent from the server to request a list of root URIs from the client. Roots allow
     servers to ask for specific directories or files to operate on. A common example
@@ -1809,6 +1831,7 @@ class ListRootsRequest(Request[RequestParams | None, Literal["roots/list"]]):
     to server-to-client payloads)."""
 
 
+@deprecated("`Root` is deprecated as of 2026-07-28 (SEP-2577).")
 class Root(MCPModel):
     """Represents a root directory or file that the server can operate on.
 
@@ -1834,6 +1857,7 @@ class Root(MCPModel):
     """
 
 
+@deprecated("`ListRootsResult` is deprecated as of 2026-07-28 (SEP-2577).")
 class ListRootsResult(Result):
     """The client's response to a roots/list request from the server.
 
@@ -1844,9 +1868,10 @@ class ListRootsResult(Result):
     result. Deprecated in 2026-07-28 (SEP-2577).
     """
 
-    roots: list[Root]
+    roots: list[Root]  # pyright: ignore[reportDeprecated]
 
 
+@deprecated("`RootsListChangedNotification` is deprecated as of 2026-07-28 (SEP-2577).")
 class RootsListChangedNotification(
     Notification[NotificationParams | None, Literal["notifications/roots/list_changed"]]
 ):
@@ -2016,7 +2041,7 @@ class ElicitationRequiredErrorData(MCPModel):
     """List of URL mode elicitations that must be completed."""
 
 
-InputRequest: TypeAlias = CreateMessageRequest | ListRootsRequest | ElicitRequest
+InputRequest: TypeAlias = CreateMessageRequest | ListRootsRequest | ElicitRequest  # pyright: ignore[reportDeprecated]
 """A single server-initiated input request embedded in `InputRequiredResult` (2026-07-28).
 
 Discriminated by `method`. On 2026-07-28 these embedded payloads take the place
@@ -2030,7 +2055,7 @@ class ElicitationRequiredErrorData(MCPModel):
 and by the tasks extension.
 """
 
-InputResponse: TypeAlias = CreateMessageResult | CreateMessageResultWithTools | ListRootsResult | ElicitResult
+InputResponse: TypeAlias = CreateMessageResult | CreateMessageResultWithTools | ListRootsResult | ElicitResult  # pyright: ignore[reportDeprecated]
 """A client response to a single server-initiated input request (2026-07-28).
 
 `CreateMessageResultWithTools` is this SDK's array-content split of the schema's
@@ -2078,7 +2103,7 @@ class InputRequiredResult(Result):
     PingRequest
     | InitializeRequest
     | CompleteRequest
-    | SetLevelRequest
+    | SetLevelRequest  # pyright: ignore[reportDeprecated]
     | GetPromptRequest
     | ListPromptsRequest
     | ListResourcesRequest
@@ -2100,7 +2125,7 @@ class InputRequiredResult(Result):
 
 
 ClientNotification = (
-    CancelledNotification | ProgressNotification | InitializedNotification | RootsListChangedNotification
+    CancelledNotification | ProgressNotification | InitializedNotification | RootsListChangedNotification  # pyright: ignore[reportDeprecated]
 )
 """Notifications sent from the client to the server.
 
@@ -2110,11 +2135,11 @@ class InputRequiredResult(Result):
 client_notification_adapter = TypeAdapter[ClientNotification](ClientNotification)
 
 
-ClientResult = EmptyResult | CreateMessageResult | CreateMessageResultWithTools | ListRootsResult | ElicitResult
+ClientResult = EmptyResult | CreateMessageResult | CreateMessageResultWithTools | ListRootsResult | ElicitResult  # pyright: ignore[reportDeprecated]
 client_result_adapter = TypeAdapter[ClientResult](ClientResult)
 
 
-ServerRequest = PingRequest | CreateMessageRequest | ListRootsRequest | ElicitRequest
+ServerRequest = PingRequest | CreateMessageRequest | ListRootsRequest | ElicitRequest  # pyright: ignore[reportDeprecated]
 """Union of standalone JSON-RPC requests a server can send to a client.
 
 Live through 2025-11-25 only: 2026-07-28 has no server-to-client JSON-RPC
@@ -2127,7 +2152,7 @@ class InputRequiredResult(Result):
 ServerNotification = (
     CancelledNotification
     | ProgressNotification
-    | LoggingMessageNotification
+    | LoggingMessageNotification  # pyright: ignore[reportDeprecated]
     | ResourceUpdatedNotification
     | ResourceListChangedNotification
     | ToolListChangedNotification
diff --git a/src/mcp/types/methods.py b/src/mcp/types/methods.py
index 10bded166d..f277a4fa42 100644
--- a/src/mcp/types/methods.py
+++ b/src/mcp/types/methods.py
@@ -341,7 +341,7 @@
         "completion/complete": types.CompleteRequest,
         "elicitation/create": types.ElicitRequest,
         "initialize": types.InitializeRequest,
-        "logging/setLevel": types.SetLevelRequest,
+        "logging/setLevel": types.SetLevelRequest,  # pyright: ignore[reportDeprecated]
         "ping": types.PingRequest,
         "prompts/get": types.GetPromptRequest,
         "prompts/list": types.ListPromptsRequest,
@@ -350,8 +350,8 @@
         "resources/subscribe": types.SubscribeRequest,
         "resources/templates/list": types.ListResourceTemplatesRequest,
         "resources/unsubscribe": types.UnsubscribeRequest,
-        "roots/list": types.ListRootsRequest,
-        "sampling/createMessage": types.CreateMessageRequest,
+        "roots/list": types.ListRootsRequest,  # pyright: ignore[reportDeprecated]
+        "sampling/createMessage": types.CreateMessageRequest,  # pyright: ignore[reportDeprecated]
         "server/discover": types.DiscoverRequest,
         "subscriptions/listen": types.SubscriptionsListenRequest,
         "tools/call": types.CallToolRequest,
@@ -365,12 +365,12 @@
         "notifications/cancelled": types.CancelledNotification,
         "notifications/elicitation/complete": types.ElicitCompleteNotification,
         "notifications/initialized": types.InitializedNotification,
-        "notifications/message": types.LoggingMessageNotification,
+        "notifications/message": types.LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
         "notifications/progress": types.ProgressNotification,
         "notifications/prompts/list_changed": types.PromptListChangedNotification,
         "notifications/resources/list_changed": types.ResourceListChangedNotification,
         "notifications/resources/updated": types.ResourceUpdatedNotification,
-        "notifications/roots/list_changed": types.RootsListChangedNotification,
+        "notifications/roots/list_changed": types.RootsListChangedNotification,  # pyright: ignore[reportDeprecated]
         "notifications/subscriptions/acknowledged": types.SubscriptionsAcknowledgedNotification,
         "notifications/tools/list_changed": types.ToolListChangedNotification,
     }
@@ -391,10 +391,10 @@
         "resources/subscribe": types.EmptyResult,
         "resources/templates/list": types.ListResourceTemplatesResult,
         "resources/unsubscribe": types.EmptyResult,
-        "roots/list": types.ListRootsResult,
+        "roots/list": types.ListRootsResult,  # pyright: ignore[reportDeprecated]
         # Arm order load-bearing: a single-block body satisfies both arms and
         # smart-union ties resolve leftmost. Pinned by tests/types/test_methods.py.
-        "sampling/createMessage": types.CreateMessageResult | types.CreateMessageResultWithTools,
+        "sampling/createMessage": types.CreateMessageResult | types.CreateMessageResultWithTools,  # pyright: ignore[reportDeprecated]
         "server/discover": types.DiscoverResult,
         "subscriptions/listen": types.EmptyResult,
         "tools/call": types.CallToolResult | types.InputRequiredResult,
diff --git a/tests/client/test_client.py b/tests/client/test_client.py
index 64b6666eca..0c1d961a08 100644
--- a/tests/client/test_client.py
+++ b/tests/client/test_client.py
@@ -60,7 +60,7 @@ async def handle_unsubscribe_resource(
     ) -> EmptyResult:
         return EmptyResult()
 
-    async def handle_set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:
+    async def handle_set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:  # pyright: ignore[reportDeprecated]
         return EmptyResult()
 
     async def handle_completion(ctx: ServerRequestContext, params: types.CompleteRequestParams) -> types.CompleteResult:
diff --git a/tests/client/test_list_roots_callback.py b/tests/client/test_list_roots_callback.py
index a26ef45b27..7232799b2a 100644
--- a/tests/client/test_list_roots_callback.py
+++ b/tests/client/test_list_roots_callback.py
@@ -4,23 +4,23 @@
 from mcp import Client
 from mcp.client import ClientRequestContext
 from mcp.server.mcpserver import Context, MCPServer
-from mcp.types import ListRootsResult, Root, TextContent
+from mcp.types import ListRootsResult, Root, TextContent  # pyright: ignore[reportDeprecated]
 
 
 @pytest.mark.anyio
 async def test_list_roots_callback():
     server = MCPServer("test")
 
-    callback_return = ListRootsResult(
+    callback_return = ListRootsResult(  # pyright: ignore[reportDeprecated]
         roots=[
-            Root(uri=FileUrl("file://users/fake/test"), name="Test Root 1"),
-            Root(uri=FileUrl("file://users/fake/test/2"), name="Test Root 2"),
+            Root(uri=FileUrl("file://users/fake/test"), name="Test Root 1"),  # pyright: ignore[reportDeprecated]
+            Root(uri=FileUrl("file://users/fake/test/2"), name="Test Root 2"),  # pyright: ignore[reportDeprecated]
         ]
     )
 
     async def list_roots_callback(
         context: ClientRequestContext,
-    ) -> ListRootsResult:
+    ) -> ListRootsResult:  # pyright: ignore[reportDeprecated]
         return callback_return
 
     @server.tool("test_list_roots")
diff --git a/tests/client/test_logging_callback.py b/tests/client/test_logging_callback.py
index 454c1d3382..1e8bf87ece 100644
--- a/tests/client/test_logging_callback.py
+++ b/tests/client/test_logging_callback.py
@@ -6,16 +6,16 @@
 from mcp.server.mcpserver import Context, MCPServer
 from mcp.shared.session import RequestResponder
 from mcp.types import (
-    LoggingMessageNotificationParams,
+    LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
     TextContent,
 )
 
 
 class LoggingCollector:
     def __init__(self):
-        self.log_messages: list[LoggingMessageNotificationParams] = []
+        self.log_messages: list[LoggingMessageNotificationParams] = []  # pyright: ignore[reportDeprecated]
 
-    async def __call__(self, params: LoggingMessageNotificationParams) -> None:
+    async def __call__(self, params: LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         self.log_messages.append(params)
 
 
diff --git a/tests/client/test_notification_response.py b/tests/client/test_notification_response.py
index 69c8afeb84..e3d4b22835 100644
--- a/tests/client/test_notification_response.py
+++ b/tests/client/test_notification_response.py
@@ -16,7 +16,7 @@
 from mcp import ClientSession, MCPError, types
 from mcp.client.streamable_http import streamable_http_client
 from mcp.shared.session import RequestResponder
-from mcp.types import RootsListChangedNotification
+from mcp.types import RootsListChangedNotification  # pyright: ignore[reportDeprecated]
 
 pytestmark = pytest.mark.anyio
 
@@ -94,7 +94,7 @@ async def message_handler(  # pragma: no cover
                 await session.initialize()
 
                 # The test server returns a 204 instead of the expected 202
-                await session.send_notification(RootsListChangedNotification(method="notifications/roots/list_changed"))
+                await session.send_notification(RootsListChangedNotification(method="notifications/roots/list_changed"))  # pyright: ignore[reportDeprecated]
 
     if returned_exception:  # pragma: no cover
         pytest.fail(f"Server encountered an exception: {returned_exception}")
@@ -165,7 +165,7 @@ async def test_http_error_on_notification_does_not_hang() -> None:
                 await session.initialize()
 
                 # Should not raise or hang — the error is silently ignored for notifications
-                await session.send_notification(RootsListChangedNotification(method="notifications/roots/list_changed"))
+                await session.send_notification(RootsListChangedNotification(method="notifications/roots/list_changed"))  # pyright: ignore[reportDeprecated]
 
 
 def _create_invalid_json_response_app() -> Starlette:
diff --git a/tests/client/test_sampling_callback.py b/tests/client/test_sampling_callback.py
index 2b90b00afa..145a07710b 100644
--- a/tests/client/test_sampling_callback.py
+++ b/tests/client/test_sampling_callback.py
@@ -4,12 +4,12 @@
 from mcp.client import ClientRequestContext
 from mcp.server.mcpserver import Context, MCPServer
 from mcp.types import (
-    CreateMessageRequestParams,
-    CreateMessageResult,
+    CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    CreateMessageResult,  # pyright: ignore[reportDeprecated]
     CreateMessageResultWithTools,
-    SamplingMessage,
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
     TextContent,
-    ToolUseContent,
+    ToolUseContent,  # pyright: ignore[reportDeprecated]
 )
 
 
@@ -17,7 +17,7 @@
 async def test_sampling_callback():
     server = MCPServer("test")
 
-    callback_return = CreateMessageResult(
+    callback_return = CreateMessageResult(  # pyright: ignore[reportDeprecated]
         role="assistant",
         content=TextContent(type="text", text="This is a response from the sampling callback"),
         model="test-model",
@@ -26,14 +26,14 @@ async def test_sampling_callback():
 
     async def sampling_callback(
         context: ClientRequestContext,
-        params: CreateMessageRequestParams,
-    ) -> CreateMessageResult:
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         return callback_return
 
     @server.tool("test_sampling")
     async def test_sampling_tool(message: str, ctx: Context) -> bool:
         value = await ctx.session.create_message(
-            messages=[SamplingMessage(role="user", content=TextContent(type="text", text=message))],
+            messages=[SamplingMessage(role="user", content=TextContent(type="text", text=message))],  # pyright: ignore[reportDeprecated]
             max_tokens=100,
         )
         assert value == callback_return
@@ -62,7 +62,7 @@ async def test_create_message_backwards_compat_single_content():
     server = MCPServer("test")
 
     # Callback returns single content (text)
-    callback_return = CreateMessageResult(
+    callback_return = CreateMessageResult(  # pyright: ignore[reportDeprecated]
         role="assistant",
         content=TextContent(type="text", text="Hello from LLM"),
         model="test-model",
@@ -71,19 +71,19 @@ async def test_create_message_backwards_compat_single_content():
 
     async def sampling_callback(
         context: ClientRequestContext,
-        params: CreateMessageRequestParams,
-    ) -> CreateMessageResult:
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         return callback_return
 
     @server.tool("test_backwards_compat")
     async def test_tool(message: str, ctx: Context) -> bool:
         # Call create_message WITHOUT tools
         result = await ctx.session.create_message(
-            messages=[SamplingMessage(role="user", content=TextContent(type="text", text=message))],
+            messages=[SamplingMessage(role="user", content=TextContent(type="text", text=message))],  # pyright: ignore[reportDeprecated]
             max_tokens=100,
         )
         # Backwards compat: result should be CreateMessageResult
-        assert isinstance(result, CreateMessageResult)
+        assert isinstance(result, CreateMessageResult)  # pyright: ignore[reportDeprecated]
         # Content should be single (not a list) - this is the key backwards compat check
         assert isinstance(result.content, TextContent)
         assert result.content.text == "Hello from LLM"
@@ -104,7 +104,7 @@ async def test_create_message_result_with_tools_type():
     # Test the type itself, not the overload (overload requires client capability setup)
     result = CreateMessageResultWithTools(
         role="assistant",
-        content=ToolUseContent(type="tool_use", id="call_123", name="get_weather", input={"city": "SF"}),
+        content=ToolUseContent(type="tool_use", id="call_123", name="get_weather", input={"city": "SF"}),  # pyright: ignore[reportDeprecated]
         model="test-model",
         stop_reason="toolUse",
     )
@@ -119,7 +119,7 @@ async def test_create_message_result_with_tools_type():
         role="assistant",
         content=[
             TextContent(type="text", text="Let me check the weather"),
-            ToolUseContent(type="tool_use", id="call_456", name="get_weather", input={"city": "NYC"}),
+            ToolUseContent(type="tool_use", id="call_456", name="get_weather", input={"city": "NYC"}),  # pyright: ignore[reportDeprecated]
         ],
         model="test-model",
         stop_reason="toolUse",
diff --git a/tests/client/test_session.py b/tests/client/test_session.py
index c171360de2..da82027b68 100644
--- a/tests/client/test_session.py
+++ b/tests/client/test_session.py
@@ -430,9 +430,9 @@ async def test_client_capabilities_with_custom_callbacks():
 
     async def custom_sampling_callback(  # pragma: no cover
         context: ClientRequestContext,
-        params: types.CreateMessageRequestParams,
-    ) -> types.CreateMessageResult | types.ErrorData:
-        return types.CreateMessageResult(
+        params: types.CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> types.CreateMessageResult | types.ErrorData:  # pyright: ignore[reportDeprecated]
+        return types.CreateMessageResult(  # pyright: ignore[reportDeprecated]
             role="assistant",
             content=types.TextContent(type="text", text="test"),
             model="test-model",
@@ -440,8 +440,8 @@ async def custom_sampling_callback(  # pragma: no cover
 
     async def custom_list_roots_callback(  # pragma: no cover
         context: ClientRequestContext,
-    ) -> types.ListRootsResult | types.ErrorData:
-        return types.ListRootsResult(roots=[])
+    ) -> types.ListRootsResult | types.ErrorData:  # pyright: ignore[reportDeprecated]
+        return types.ListRootsResult(roots=[])  # pyright: ignore[reportDeprecated]
 
     async def mock_server():
         nonlocal received_capabilities
@@ -514,9 +514,9 @@ async def test_client_capabilities_with_sampling_tools():
 
     async def custom_sampling_callback(  # pragma: no cover
         context: ClientRequestContext,
-        params: types.CreateMessageRequestParams,
-    ) -> types.CreateMessageResult | types.ErrorData:
-        return types.CreateMessageResult(
+        params: types.CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> types.CreateMessageResult | types.ErrorData:  # pyright: ignore[reportDeprecated]
+        return types.CreateMessageResult(  # pyright: ignore[reportDeprecated]
             role="assistant",
             content=types.TextContent(type="text", text="test"),
             model="test-model",
@@ -811,12 +811,13 @@ async def test_on_request_validates_the_callback_result_against_the_surface_sche
     """A surface-valid callback result reaches the wire as the dump dict unchanged."""
 
     async def sampling(
-        ctx: ClientRequestContext, params: types.CreateMessageRequestParams
-    ) -> types.CreateMessageResult:
-        return types.CreateMessageResult(role="assistant", content=types.TextContent(type="text", text="hi"), model="m")
+        ctx: ClientRequestContext,
+        params: types.CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> types.CreateMessageResult:  # pyright: ignore[reportDeprecated]
+        return types.CreateMessageResult(role="assistant", content=types.TextContent(type="text", text="hi"), model="m")  # pyright: ignore[reportDeprecated]
 
-    request_params = types.CreateMessageRequestParams(
-        messages=[types.SamplingMessage(role="user", content=types.TextContent(type="text", text="q"))],
+    request_params = types.CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
+        messages=[types.SamplingMessage(role="user", content=types.TextContent(type="text", text="q"))],  # pyright: ignore[reportDeprecated]
         max_tokens=10,
     ).model_dump(by_alias=True, mode="json", exclude_none=True)
     async with raw_client_session(sampling_callback=sampling) as (_session, to_client, from_client):
@@ -836,8 +837,8 @@ async def test_on_request_callback_returning_a_surface_invalid_result_is_interna
     `EmptyResult` is a `ClientResult` arm so the union accepts it, but `roots/list`
     requires a `roots` array."""
 
-    async def list_roots(ctx: ClientRequestContext) -> types.ListRootsResult | types.ErrorData:
-        return cast("types.ListRootsResult", types.EmptyResult())
+    async def list_roots(ctx: ClientRequestContext) -> types.ListRootsResult | types.ErrorData:  # pyright: ignore[reportDeprecated]
+        return cast("types.ListRootsResult", types.EmptyResult())  # pyright: ignore[reportDeprecated]
 
     async with raw_client_session(list_roots_callback=list_roots) as (_session, to_client, from_client):
         await to_client.send(SessionMessage(JSONRPCRequest(jsonrpc="2.0", id=3, method="roots/list")))
@@ -949,11 +950,11 @@ async def test_raising_sampling_callback_answers_with_code_zero():
     """A raising sampling callback is answered with code 0 and `str(exc)` (SDK-defined).
     Raw streams because the assertion is the outbound `JSONRPCError` envelope itself."""
 
-    async def boom(ctx: object, params: object) -> types.CreateMessageResult:
+    async def boom(ctx: object, params: object) -> types.CreateMessageResult:  # pyright: ignore[reportDeprecated]
         raise RuntimeError("sampling boom")
 
-    params = types.CreateMessageRequestParams(
-        messages=[types.SamplingMessage(role="user", content=types.TextContent(type="text", text="hi"))],
+    params = types.CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
+        messages=[types.SamplingMessage(role="user", content=types.TextContent(type="text", text="hi"))],  # pyright: ignore[reportDeprecated]
         max_tokens=10,
     ).model_dump(by_alias=True, mode="json", exclude_none=True)
     async with raw_client_session(sampling_callback=boom) as (_session, to_client, from_client):
@@ -1159,7 +1160,7 @@ async def server_on_notify(
                 results.append(await session.send_ping(meta=None))
                 # Server-to-client: direct dispatch delivers ping with no params member (no _meta injection).
                 assert await server_side.send_raw_request("ping", None) == {}
-                await session.send_notification(types.RootsListChangedNotification())
+                await session.send_notification(types.RootsListChangedNotification())  # pyright: ignore[reportDeprecated]
             server_side.close()
     assert results == [types.EmptyResult()]
     assert notified == ["notifications/roots/list_changed"]
@@ -1173,9 +1174,9 @@ async def test_direct_dispatch_roots_list_reaches_callback_with_synthesized_requ
     client_side, server_side = create_direct_dispatcher_pair()
     contexts: list[ClientRequestContext] = []
 
-    async def list_roots(context: ClientRequestContext) -> types.ListRootsResult:
+    async def list_roots(context: ClientRequestContext) -> types.ListRootsResult:  # pyright: ignore[reportDeprecated]
         contexts.append(context)
-        return types.ListRootsResult(roots=[types.Root(uri=FileUrl("file:///workspace"))])
+        return types.ListRootsResult(roots=[types.Root(uri=FileUrl("file:///workspace"))])  # pyright: ignore[reportDeprecated]
 
     async def server_on_request(
         ctx: DispatchContext[TransportContext], method: str, params: dict[str, object] | None
@@ -1211,7 +1212,7 @@ async def test_raising_notification_callbacks_over_direct_dispatch_cost_only_tha
     client_side, server_side = create_direct_dispatcher_pair()
     teed: list[types.ServerNotification] = []
 
-    async def logging_callback(params: types.LoggingMessageNotificationParams) -> None:
+    async def logging_callback(params: types.LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         raise ValueError("logging callback boom")
 
     async def message_handler(
@@ -1470,7 +1471,7 @@ async def test_send_notification_after_close_is_dropped_silently():
         async with ClientSession(s2c_recv, c2s_send) as session:
             pass
         with anyio.fail_after(5):
-            await session.send_notification(types.RootsListChangedNotification())
+            await session.send_notification(types.RootsListChangedNotification())  # pyright: ignore[reportDeprecated]
         with pytest.raises(anyio.EndOfStream):
             c2s_recv.receive_nowait()  # nothing reached the wire
     finally:
diff --git a/tests/client/test_session_concurrency.py b/tests/client/test_session_concurrency.py
index dc91bee258..b139c66c7c 100644
--- a/tests/client/test_session_concurrency.py
+++ b/tests/client/test_session_concurrency.py
@@ -9,9 +9,9 @@
 from mcp.server.mcpserver import Context, MCPServer
 from mcp.types import (
     CallToolResult,
-    CreateMessageRequestParams,
-    CreateMessageResult,
-    SamplingMessage,
+    CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    CreateMessageResult,  # pyright: ignore[reportDeprecated]
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
     TextContent,
 )
 
@@ -96,7 +96,7 @@ async def fan_out(ctx: Context) -> str:
 
         async def sample(tag: str) -> None:
             result = await ctx.session.create_message(
-                messages=[SamplingMessage(role="user", content=TextContent(text=tag))],
+                messages=[SamplingMessage(role="user", content=TextContent(text=tag))],  # pyright: ignore[reportDeprecated]
                 max_tokens=10,
             )
             assert isinstance(result.content, TextContent)
@@ -108,13 +108,14 @@ async def sample(tag: str) -> None:
         return f"{echoes['x']} {echoes['y']}"
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         content = params.messages[0].content
         assert isinstance(content, TextContent)
         sampling_started[content.text].set()
         await sampling_release.wait()
-        return CreateMessageResult(
+        return CreateMessageResult(  # pyright: ignore[reportDeprecated]
             role="assistant",
             content=TextContent(text=f"echo:{content.text}"),
             model="test-model",
diff --git a/tests/interaction/lowlevel/test_cancellation.py b/tests/interaction/lowlevel/test_cancellation.py
index 6e6c2b6f60..ae29f1b911 100644
--- a/tests/interaction/lowlevel/test_cancellation.py
+++ b/tests/interaction/lowlevel/test_cancellation.py
@@ -163,8 +163,9 @@ async def test_abandoned_server_request_cancels_the_client_callback(connect: Con
     callback_cancelled = anyio.Event()
 
     async def sampling_callback(
-        context: ClientRequestContext, params: types.CreateMessageRequestParams
-    ) -> types.CreateMessageResult:
+        context: ClientRequestContext,
+        params: types.CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> types.CreateMessageResult:  # pyright: ignore[reportDeprecated]
         callback_started.set()
         try:
             await anyio.Event().wait()  # blocks until the cancellation interrupts it
@@ -180,16 +181,16 @@ async def list_tools(
 
     async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestParams) -> CallToolResult:
         assert params.name == "impatient"
-        request = types.CreateMessageRequest(
-            params=types.CreateMessageRequestParams(
-                messages=[types.SamplingMessage(role="user", content=TextContent(text="Say hello."))],
+        request = types.CreateMessageRequest(  # pyright: ignore[reportDeprecated]
+            params=types.CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
+                messages=[types.SamplingMessage(role="user", content=TextContent(text="Say hello."))],  # pyright: ignore[reportDeprecated]
                 max_tokens=8,
             )
         )
         async with anyio.create_task_group() as abandon_scope:
 
             async def sample() -> None:
-                await ctx.session.send_request(request, types.CreateMessageResult)
+                await ctx.session.send_request(request, types.CreateMessageResult)  # pyright: ignore[reportDeprecated]
                 raise NotImplementedError  # unreachable: the scope is cancelled
 
             abandon_scope.start_soon(sample)
diff --git a/tests/interaction/lowlevel/test_flows.py b/tests/interaction/lowlevel/test_flows.py
index 8d96582341..0f3b73e4b0 100644
--- a/tests/interaction/lowlevel/test_flows.py
+++ b/tests/interaction/lowlevel/test_flows.py
@@ -168,7 +168,7 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
             )
         return CallToolResult(content=[TextContent(text="contents")])
 
-    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:
+    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:  # pyright: ignore[reportDeprecated]
         """Registered so the logging capability is advertised; the client never sets a level."""
         raise NotImplementedError
 
diff --git a/tests/interaction/lowlevel/test_initialize.py b/tests/interaction/lowlevel/test_initialize.py
index 91adbf5611..e303780564 100644
--- a/tests/interaction/lowlevel/test_initialize.py
+++ b/tests/interaction/lowlevel/test_initialize.py
@@ -118,7 +118,7 @@ async def list_prompts(
         """Registered only so the prompts capability is advertised; never called."""
         raise NotImplementedError
 
-    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> types.EmptyResult:
+    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> types.EmptyResult:  # pyright: ignore[reportDeprecated]
         """Registered only so the logging capability is advertised; never called."""
         raise NotImplementedError
 
@@ -211,7 +211,7 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
             declared.append(f"roots(list_changed={capabilities.roots.list_changed})")
         return CallToolResult(content=[TextContent(text=",".join(declared) or "none")])
 
-    async def list_roots(context: ClientRequestContext) -> types.ListRootsResult:
+    async def list_roots(context: ClientRequestContext) -> types.ListRootsResult:  # pyright: ignore[reportDeprecated]
         """Registered only so the client declares the roots capability; never called."""
         raise NotImplementedError
 
diff --git a/tests/interaction/lowlevel/test_logging.py b/tests/interaction/lowlevel/test_logging.py
index b8f9d3d776..514afced2f 100644
--- a/tests/interaction/lowlevel/test_logging.py
+++ b/tests/interaction/lowlevel/test_logging.py
@@ -10,7 +10,12 @@
 
 from mcp import types
 from mcp.server import Server, ServerRequestContext
-from mcp.types import CallToolResult, EmptyResult, LoggingMessageNotificationParams, TextContent
+from mcp.types import (
+    CallToolResult,
+    EmptyResult,
+    LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
+    TextContent,
+)
 from tests.interaction._connect import Connect
 from tests.interaction._requirements import requirement
 
@@ -32,7 +37,7 @@
 async def test_set_logging_level_reaches_handler(connect: Connect) -> None:
     """The level requested by the client is delivered to the server's handler verbatim."""
 
-    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:
+    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:  # pyright: ignore[reportDeprecated]
         assert params.level == "warning"
         return EmptyResult()
 
@@ -52,9 +57,9 @@ async def test_log_messages_reach_logging_callback_in_order(connect: Connect) ->
     The two messages pin the full notification shape: severity, optional logger name, and both
     string and structured data payloads.
     """
-    received: list[LoggingMessageNotificationParams] = []
+    received: list[LoggingMessageNotificationParams] = []  # pyright: ignore[reportDeprecated]
 
-    async def collect(params: LoggingMessageNotificationParams) -> None:
+    async def collect(params: LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         received.append(params)
 
     async def list_tools(
@@ -72,7 +77,7 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
         )
         return CallToolResult(content=[TextContent(text="done")])
 
-    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:
+    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:  # pyright: ignore[reportDeprecated]
         """Registered so the logging capability is advertised; the client never sets a level."""
         raise NotImplementedError
 
@@ -84,8 +89,8 @@ async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelReq
     assert result == snapshot(CallToolResult(content=[TextContent(text="done")]))
     assert received == snapshot(
         [
-            LoggingMessageNotificationParams(level="info", logger="app.lifecycle", data="starting up"),
-            LoggingMessageNotificationParams(level="error", data={"code": 502, "retryable": True}),
+            LoggingMessageNotificationParams(level="info", logger="app.lifecycle", data="starting up"),  # pyright: ignore[reportDeprecated]
+            LoggingMessageNotificationParams(level="error", data={"code": 502, "retryable": True}),  # pyright: ignore[reportDeprecated]
         ]
     )
 
@@ -93,9 +98,9 @@ async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelReq
 @requirement("logging:message:all-levels")
 async def test_log_messages_at_every_severity_level(connect: Connect) -> None:
     """Each of the eight RFC 5424 severity levels is deliverable as a log message notification."""
-    received: list[LoggingMessageNotificationParams] = []
+    received: list[LoggingMessageNotificationParams] = []  # pyright: ignore[reportDeprecated]
 
-    async def collect(params: LoggingMessageNotificationParams) -> None:
+    async def collect(params: LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         received.append(params)
 
     async def list_tools(
@@ -111,7 +116,7 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
             )
         return CallToolResult(content=[TextContent(text="logged")])
 
-    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:
+    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:  # pyright: ignore[reportDeprecated]
         """Registered so the logging capability is advertised; the client never sets a level."""
         raise NotImplementedError
 
diff --git a/tests/interaction/lowlevel/test_roots.py b/tests/interaction/lowlevel/test_roots.py
index deb24cbf55..2d6845d14f 100644
--- a/tests/interaction/lowlevel/test_roots.py
+++ b/tests/interaction/lowlevel/test_roots.py
@@ -8,7 +8,14 @@
 from mcp import MCPError, types
 from mcp.client import ClientRequestContext
 from mcp.server import Server, ServerRequestContext
-from mcp.types import INTERNAL_ERROR, CallToolResult, ErrorData, ListRootsResult, Root, TextContent
+from mcp.types import (
+    INTERNAL_ERROR,
+    CallToolResult,
+    ErrorData,
+    ListRootsResult,  # pyright: ignore[reportDeprecated]
+    Root,  # pyright: ignore[reportDeprecated]
+    TextContent,
+)
 from tests.interaction._connect import Connect
 from tests.interaction._requirements import requirement
 
@@ -35,11 +42,11 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
 
     server = Server("rooted", on_list_tools=list_tools, on_call_tool=call_tool)
 
-    async def list_roots(context: ClientRequestContext) -> ListRootsResult:
-        return ListRootsResult(
+    async def list_roots(context: ClientRequestContext) -> ListRootsResult:  # pyright: ignore[reportDeprecated]
+        return ListRootsResult(  # pyright: ignore[reportDeprecated]
             roots=[
-                Root(uri=FileUrl("file:///home/alice/project"), name="project"),
-                Root(uri=FileUrl("file:///home/alice/scratch")),
+                Root(uri=FileUrl("file:///home/alice/project"), name="project"),  # pyright: ignore[reportDeprecated]
+                Root(uri=FileUrl("file:///home/alice/scratch")),  # pyright: ignore[reportDeprecated]
             ]
         )
 
@@ -69,8 +76,8 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
 
     server = Server("rooted", on_list_tools=list_tools, on_call_tool=call_tool)
 
-    async def list_roots(context: ClientRequestContext) -> ListRootsResult:
-        return ListRootsResult(roots=[])
+    async def list_roots(context: ClientRequestContext) -> ListRootsResult:  # pyright: ignore[reportDeprecated]
+        return ListRootsResult(roots=[])  # pyright: ignore[reportDeprecated]
 
     async with connect(server, list_roots_callback=list_roots) as client:
         result = await client.call_tool("count_roots", {})
@@ -154,7 +161,7 @@ async def roots_list_changed(ctx: ServerRequestContext, params: types.Notificati
 
     server = Server("rooted", on_roots_list_changed=roots_list_changed)
 
-    async def list_roots(context: ClientRequestContext) -> ListRootsResult:
+    async def list_roots(context: ClientRequestContext) -> ListRootsResult:  # pyright: ignore[reportDeprecated]
         """Registered so the client declares the roots capability; the server never asks for roots."""
         raise NotImplementedError
 
diff --git a/tests/interaction/lowlevel/test_sampling.py b/tests/interaction/lowlevel/test_sampling.py
index 260e564192..620c592752 100644
--- a/tests/interaction/lowlevel/test_sampling.py
+++ b/tests/interaction/lowlevel/test_sampling.py
@@ -15,18 +15,18 @@
 from mcp.types import (
     AudioContent,
     CallToolResult,
-    CreateMessageRequestParams,
-    CreateMessageResult,
+    CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    CreateMessageResult,  # pyright: ignore[reportDeprecated]
     CreateMessageResultWithTools,
     ErrorData,
     ImageContent,
-    ModelHint,
-    ModelPreferences,
+    ModelHint,  # pyright: ignore[reportDeprecated]
+    ModelPreferences,  # pyright: ignore[reportDeprecated]
     SamplingCapability,
-    SamplingMessage,
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
     TextContent,
-    ToolResultContent,
-    ToolUseContent,
+    ToolResultContent,  # pyright: ignore[reportDeprecated]
+    ToolUseContent,  # pyright: ignore[reportDeprecated]
 )
 from tests.interaction._connect import Connect
 from tests.interaction._requirements import requirement
@@ -40,7 +40,7 @@ async def test_create_message_round_trip(connect: Connect) -> None:
     """A handler's sampling request is answered by the client callback, and the callback's result
     (role, content, model, stop reason) is returned to the handler.
     """
-    received: list[CreateMessageRequestParams] = []
+    received: list[CreateMessageRequestParams] = []  # pyright: ignore[reportDeprecated]
 
     async def list_tools(
         ctx: ServerRequestContext, params: types.PaginatedRequestParams | None
@@ -50,7 +50,7 @@ async def list_tools(
     async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestParams) -> CallToolResult:
         assert params.name == "ask_model"
         result = await ctx.session.create_message(
-            messages=[SamplingMessage(role="user", content=TextContent(text="Say hello."))],
+            messages=[SamplingMessage(role="user", content=TextContent(text="Say hello."))],  # pyright: ignore[reportDeprecated]
             max_tokens=100,
         )
         assert isinstance(result.content, TextContent)
@@ -59,10 +59,11 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         received.append(params)
-        return CreateMessageResult(
+        return CreateMessageResult(  # pyright: ignore[reportDeprecated]
             role="assistant",
             content=TextContent(text="Hello to you too."),
             model="mock-llm-1",
@@ -75,9 +76,9 @@ async def sampling_callback(
     assert result == snapshot(CallToolResult(content=[TextContent(text="mock-llm-1/endTurn: Hello to you too.")]))
     assert received == snapshot(
         [
-            CreateMessageRequestParams(
+            CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
                 _meta={},
-                messages=[SamplingMessage(role="user", content=TextContent(text="Say hello."))],
+                messages=[SamplingMessage(role="user", content=TextContent(text="Say hello."))],  # pyright: ignore[reportDeprecated]
                 max_tokens=100,
             )
         ]
@@ -95,7 +96,7 @@ async def test_create_message_params_reach_callback(connect: Connect) -> None:
     include_context="thisServer" reaches the callback regardless: the spec's SHOULD NOT is not
     enforced. See the divergence note on `sampling:context:server-gated-by-capability`.
     """
-    received: list[CreateMessageRequestParams] = []
+    received: list[CreateMessageRequestParams] = []  # pyright: ignore[reportDeprecated]
 
     async def list_tools(
         ctx: ServerRequestContext, params: types.PaginatedRequestParams | None
@@ -105,14 +106,14 @@ async def list_tools(
     async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestParams) -> CallToolResult:
         assert params.name == "ask_model"
         result = await ctx.session.create_message(
-            messages=[SamplingMessage(role="user", content=TextContent(text="Pick a model."))],
+            messages=[SamplingMessage(role="user", content=TextContent(text="Pick a model."))],  # pyright: ignore[reportDeprecated]
             max_tokens=50,
             system_prompt="You are terse.",
             include_context="thisServer",
             temperature=0.7,
             stop_sequences=["\n\n", "END"],
-            model_preferences=ModelPreferences(
-                hints=[ModelHint(name="claude"), ModelHint(name="gpt")],
+            model_preferences=ModelPreferences(  # pyright: ignore[reportDeprecated]
+                hints=[ModelHint(name="claude"), ModelHint(name="gpt")],  # pyright: ignore[reportDeprecated]
                 cost_priority=0.2,
                 speed_priority=0.3,
                 intelligence_priority=0.9,
@@ -124,10 +125,11 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         received.append(params)
-        return CreateMessageResult(role="assistant", content=TextContent(text="ok"), model="mock-llm-1")
+        return CreateMessageResult(role="assistant", content=TextContent(text="ok"), model="mock-llm-1")  # pyright: ignore[reportDeprecated]
 
     async with connect(server, sampling_callback=sampling_callback) as client:
         result = await client.call_tool("ask_model", {})
@@ -135,11 +137,11 @@ async def sampling_callback(
     assert result == snapshot(CallToolResult(content=[TextContent(text="ok")]))
     assert received == snapshot(
         [
-            CreateMessageRequestParams(
+            CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
                 _meta={},
-                messages=[SamplingMessage(role="user", content=TextContent(text="Pick a model."))],
-                model_preferences=ModelPreferences(
-                    hints=[ModelHint(name="claude"), ModelHint(name="gpt")],
+                messages=[SamplingMessage(role="user", content=TextContent(text="Pick a model."))],  # pyright: ignore[reportDeprecated]
+                model_preferences=ModelPreferences(  # pyright: ignore[reportDeprecated]
+                    hints=[ModelHint(name="claude"), ModelHint(name="gpt")],  # pyright: ignore[reportDeprecated]
                     cost_priority=0.2,
                     speed_priority=0.3,
                     intelligence_priority=0.9,
@@ -161,7 +163,7 @@ async def test_create_message_request_with_image_content_reaches_callback(connec
     This is the server-to-client direction: the server includes an image in the conversation it
     asks the client to sample from.
     """
-    received: list[CreateMessageRequestParams] = []
+    received: list[CreateMessageRequestParams] = []  # pyright: ignore[reportDeprecated]
 
     async def list_tools(
         ctx: ServerRequestContext, params: types.PaginatedRequestParams | None
@@ -171,7 +173,7 @@ async def list_tools(
     async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestParams) -> CallToolResult:
         assert params.name == "describe_image"
         result = await ctx.session.create_message(
-            messages=[SamplingMessage(role="user", content=ImageContent(data="aW1n", mime_type="image/png"))],
+            messages=[SamplingMessage(role="user", content=ImageContent(data="aW1n", mime_type="image/png"))],  # pyright: ignore[reportDeprecated]
             max_tokens=100,
         )
         assert isinstance(result.content, TextContent)
@@ -180,12 +182,13 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         received.append(params)
         image = params.messages[0].content
         assert isinstance(image, ImageContent)
-        return CreateMessageResult(
+        return CreateMessageResult(  # pyright: ignore[reportDeprecated]
             role="assistant",
             content=TextContent(text=f"described {image.mime_type} ({image.data})"),
             model="mock-vision-1",
@@ -197,9 +200,9 @@ async def sampling_callback(
     assert result == snapshot(CallToolResult(content=[TextContent(text="described image/png (aW1n)")]))
     assert received == snapshot(
         [
-            CreateMessageRequestParams(
+            CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
                 _meta={},
-                messages=[SamplingMessage(role="user", content=ImageContent(data="aW1n", mime_type="image/png"))],
+                messages=[SamplingMessage(role="user", content=ImageContent(data="aW1n", mime_type="image/png"))],  # pyright: ignore[reportDeprecated]
                 max_tokens=100,
             )
         ]
@@ -221,7 +224,7 @@ async def list_tools(
     async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestParams) -> CallToolResult:
         assert params.name == "draw"
         result = await ctx.session.create_message(
-            messages=[SamplingMessage(role="user", content=TextContent(text="Draw a cat."))],
+            messages=[SamplingMessage(role="user", content=TextContent(text="Draw a cat."))],  # pyright: ignore[reportDeprecated]
             max_tokens=100,
         )
         image = result.content
@@ -231,9 +234,10 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
-        return CreateMessageResult(
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
+        return CreateMessageResult(  # pyright: ignore[reportDeprecated]
             role="assistant",
             content=ImageContent(data="Y2F0", mime_type="image/png"),
             model="mock-vision-1",
@@ -262,7 +266,7 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
         assert params.name == "ask_model"
         try:
             await ctx.session.create_message(
-                messages=[SamplingMessage(role="user", content=TextContent(text="Say hello."))],
+                messages=[SamplingMessage(role="user", content=TextContent(text="Say hello."))],  # pyright: ignore[reportDeprecated]
                 max_tokens=100,
             )
         except MCPError as exc:
@@ -271,7 +275,7 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
 
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
-    async def sampling_callback(context: ClientRequestContext, params: CreateMessageRequestParams) -> ErrorData:
+    async def sampling_callback(context: ClientRequestContext, params: CreateMessageRequestParams) -> ErrorData:  # pyright: ignore[reportDeprecated]
         return ErrorData(code=-1, message="User rejected sampling request")
 
     async with connect(server, sampling_callback=sampling_callback) as client:
@@ -293,7 +297,7 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
         assert params.name == "ask_model"
         try:
             await ctx.session.create_message(
-                messages=[SamplingMessage(role="user", content=TextContent(text="Say hello."))],
+                messages=[SamplingMessage(role="user", content=TextContent(text="Say hello."))],  # pyright: ignore[reportDeprecated]
                 max_tokens=100,
             )
         except MCPError as exc:
@@ -325,7 +329,7 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
         assert params.name == "ask_model"
         try:
             await ctx.session.create_message(
-                messages=[SamplingMessage(role="user", content=TextContent(text="What is the weather?"))],
+                messages=[SamplingMessage(role="user", content=TextContent(text="What is the weather?"))],  # pyright: ignore[reportDeprecated]
                 max_tokens=100,
                 tools=[types.Tool(name="get_weather", input_schema={"type": "object"})],
             )
@@ -336,8 +340,9 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         """Declares the plain sampling capability; never invoked because the request is rejected first."""
         raise NotImplementedError
 
@@ -368,10 +373,10 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
         try:
             await ctx.session.create_message(
                 messages=[
-                    SamplingMessage(
+                    SamplingMessage(  # pyright: ignore[reportDeprecated]
                         role="user",
                         content=[
-                            ToolResultContent(tool_use_id="call-1", content=[TextContent(text="42")]),
+                            ToolResultContent(tool_use_id="call-1", content=[TextContent(text="42")]),  # pyright: ignore[reportDeprecated]
                             TextContent(text="Also, a comment alongside the result."),
                         ],
                     )
@@ -385,8 +390,9 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         """Declares the sampling capability; never invoked because the request is rejected first."""
         raise NotImplementedError
 
@@ -425,8 +431,9 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("introspector", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         """Registered only so the sampling capability is advertised; never called."""
         raise NotImplementedError
 
@@ -443,7 +450,7 @@ async def test_create_message_request_with_audio_content_reaches_callback(connec
     This is the server-to-client direction: the server includes audio in the conversation it asks
     the client to sample from.
     """
-    received: list[CreateMessageRequestParams] = []
+    received: list[CreateMessageRequestParams] = []  # pyright: ignore[reportDeprecated]
 
     async def list_tools(
         ctx: ServerRequestContext, params: types.PaginatedRequestParams | None
@@ -453,7 +460,7 @@ async def list_tools(
     async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestParams) -> CallToolResult:
         assert params.name == "transcribe"
         result = await ctx.session.create_message(
-            messages=[SamplingMessage(role="user", content=AudioContent(data="c25k", mime_type="audio/wav"))],
+            messages=[SamplingMessage(role="user", content=AudioContent(data="c25k", mime_type="audio/wav"))],  # pyright: ignore[reportDeprecated]
             max_tokens=100,
         )
         assert isinstance(result.content, TextContent)
@@ -462,12 +469,13 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         received.append(params)
         audio = params.messages[0].content
         assert isinstance(audio, AudioContent)
-        return CreateMessageResult(
+        return CreateMessageResult(  # pyright: ignore[reportDeprecated]
             role="assistant",
             content=TextContent(text=f"transcribed {audio.mime_type} ({audio.data})"),
             model="mock-audio-1",
@@ -479,9 +487,9 @@ async def sampling_callback(
     assert result == snapshot(CallToolResult(content=[TextContent(text="transcribed audio/wav (c25k)")]))
     assert received == snapshot(
         [
-            CreateMessageRequestParams(
+            CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
                 _meta={},
-                messages=[SamplingMessage(role="user", content=AudioContent(data="c25k", mime_type="audio/wav"))],
+                messages=[SamplingMessage(role="user", content=AudioContent(data="c25k", mime_type="audio/wav"))],  # pyright: ignore[reportDeprecated]
                 max_tokens=100,
             )
         ]
@@ -503,7 +511,7 @@ async def list_tools(
     async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestParams) -> CallToolResult:
         assert params.name == "speak"
         result = await ctx.session.create_message(
-            messages=[SamplingMessage(role="user", content=TextContent(text="Say hello, aloud."))],
+            messages=[SamplingMessage(role="user", content=TextContent(text="Say hello, aloud."))],  # pyright: ignore[reportDeprecated]
             max_tokens=100,
         )
         audio = result.content
@@ -513,9 +521,10 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
-        return CreateMessageResult(
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
+        return CreateMessageResult(  # pyright: ignore[reportDeprecated]
             role="assistant",
             content=AudioContent(data="aGVsbG8=", mime_type="audio/wav"),
             model="mock-audio-1",
@@ -530,7 +539,7 @@ async def sampling_callback(
 @requirement("sampling:message:content-cardinality")
 async def test_create_message_with_list_valued_message_content_reaches_callback(connect: Connect) -> None:
     """A sampling message whose content is a list of blocks arrives at the client callback as a list."""
-    received: list[CreateMessageRequestParams] = []
+    received: list[CreateMessageRequestParams] = []  # pyright: ignore[reportDeprecated]
 
     async def list_tools(
         ctx: ServerRequestContext, params: types.PaginatedRequestParams | None
@@ -541,7 +550,7 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
         assert params.name == "caption"
         result = await ctx.session.create_message(
             messages=[
-                SamplingMessage(
+                SamplingMessage(  # pyright: ignore[reportDeprecated]
                     role="user",
                     content=[
                         TextContent(text="Caption this image."),
@@ -557,12 +566,13 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         received.append(params)
         content = params.messages[0].content
         assert isinstance(content, list)
-        return CreateMessageResult(
+        return CreateMessageResult(  # pyright: ignore[reportDeprecated]
             role="assistant", content=TextContent(text=f"{len(content)} blocks"), model="mock-llm-1"
         )
 
@@ -572,10 +582,10 @@ async def sampling_callback(
     assert result == snapshot(CallToolResult(content=[TextContent(text="2 blocks")]))
     assert received == snapshot(
         [
-            CreateMessageRequestParams(
+            CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
                 _meta={},
                 messages=[
-                    SamplingMessage(
+                    SamplingMessage(  # pyright: ignore[reportDeprecated]
                         role="user",
                         content=[
                             TextContent(text="Caption this image."),
@@ -608,13 +618,13 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
         try:
             await ctx.session.create_message(
                 messages=[
-                    SamplingMessage(
+                    SamplingMessage(  # pyright: ignore[reportDeprecated]
                         role="assistant",
-                        content=[ToolUseContent(id="call-1", name="weather", input={})],
+                        content=[ToolUseContent(id="call-1", name="weather", input={})],  # pyright: ignore[reportDeprecated]
                     ),
-                    SamplingMessage(
+                    SamplingMessage(  # pyright: ignore[reportDeprecated]
                         role="user",
-                        content=[ToolResultContent(tool_use_id="call-WRONG", content=[TextContent(text="42")])],
+                        content=[ToolResultContent(tool_use_id="call-WRONG", content=[TextContent(text="42")])],  # pyright: ignore[reportDeprecated]
                     ),
                 ],
                 max_tokens=100,
@@ -626,8 +636,9 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
-    ) -> CreateMessageResult:
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> CreateMessageResult:  # pyright: ignore[reportDeprecated]
         """Declares the sampling capability; never invoked because the request is rejected first."""
         raise NotImplementedError
 
@@ -663,7 +674,7 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
         assert params.name == "ask_model"
         try:
             await ctx.session.create_message(
-                messages=[SamplingMessage(role="user", content=TextContent(text="Two thoughts, please."))],
+                messages=[SamplingMessage(role="user", content=TextContent(text="Two thoughts, please."))],  # pyright: ignore[reportDeprecated]
                 max_tokens=100,
             )
         except pydantic.ValidationError as exc:
@@ -673,7 +684,8 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     server = Server("sampler", on_list_tools=list_tools, on_call_tool=call_tool)
 
     async def sampling_callback(
-        context: ClientRequestContext, params: CreateMessageRequestParams
+        context: ClientRequestContext,
+        params: CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
     ) -> CreateMessageResultWithTools:
         return CreateMessageResultWithTools(
             role="assistant",
diff --git a/tests/interaction/lowlevel/test_timeouts.py b/tests/interaction/lowlevel/test_timeouts.py
index d73e66f32f..d9b6e63922 100644
--- a/tests/interaction/lowlevel/test_timeouts.py
+++ b/tests/interaction/lowlevel/test_timeouts.py
@@ -83,14 +83,14 @@ async def list_tools(
 
     async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestParams) -> CallToolResult:
         assert params.name == "impatient"
-        request = types.CreateMessageRequest(
-            params=types.CreateMessageRequestParams(
-                messages=[types.SamplingMessage(role="user", content=TextContent(text="Say hello."))],
+        request = types.CreateMessageRequest(  # pyright: ignore[reportDeprecated]
+            params=types.CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
+                messages=[types.SamplingMessage(role="user", content=TextContent(text="Say hello."))],  # pyright: ignore[reportDeprecated]
                 max_tokens=8,
             )
         )
         with pytest.raises(MCPError) as exc_info:
-            await ctx.session.send_request(request, types.CreateMessageResult, request_read_timeout_seconds=0.000001)
+            await ctx.session.send_request(request, types.CreateMessageResult, request_read_timeout_seconds=0.000001)  # pyright: ignore[reportDeprecated]
         errors.append(exc_info.value.error)
         release.set()
         return CallToolResult(content=[TextContent(text="gave up")])
@@ -99,12 +99,13 @@ async def call_tool(ctx: ServerRequestContext, params: types.CallToolRequestPara
     recording = RecordingTransport(InMemoryTransport(server))
 
     async def sampling_callback(
-        context: ClientRequestContext, params: types.CreateMessageRequestParams
-    ) -> types.CreateMessageResult:
+        context: ClientRequestContext,
+        params: types.CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> types.CreateMessageResult:  # pyright: ignore[reportDeprecated]
         callback_started.set()
         with anyio.fail_after(5):
             await release.wait()
-        return types.CreateMessageResult(role="assistant", content=TextContent(text="too late"), model="test-model")
+        return types.CreateMessageResult(role="assistant", content=TextContent(text="too late"), model="test-model")  # pyright: ignore[reportDeprecated]
 
     async with Client(recording, sampling_callback=sampling_callback) as client:
         result = await client.call_tool("impatient", {})
diff --git a/tests/interaction/lowlevel/test_wire.py b/tests/interaction/lowlevel/test_wire.py
index 178c2c1c38..ee8a8ca57c 100644
--- a/tests/interaction/lowlevel/test_wire.py
+++ b/tests/interaction/lowlevel/test_wire.py
@@ -33,7 +33,7 @@
     JSONRPCNotification,
     JSONRPCRequest,
     JSONRPCResponse,
-    ListRootsResult,
+    ListRootsResult,  # pyright: ignore[reportDeprecated]
     TextContent,
 )
 from tests.interaction._helpers import RecordingTransport, _RecordingReadStream
@@ -89,7 +89,7 @@ async def test_notifications_are_never_answered() -> None:
     the id of the request it answers, and nothing else.
     """
 
-    async def list_roots(context: ClientRequestContext) -> ListRootsResult:
+    async def list_roots(context: ClientRequestContext) -> ListRootsResult:  # pyright: ignore[reportDeprecated]
         """Registered so the client declares the roots capability; the server never asks for roots."""
         raise NotImplementedError
 
@@ -257,7 +257,7 @@ async def test_set_level_with_an_unrecognized_value_is_answered_with_invalid_par
     against a real Server. Reserve this pattern for behaviour the typed API cannot produce.
     """
 
-    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:
+    async def set_logging_level(ctx: ServerRequestContext, params: types.SetLevelRequestParams) -> EmptyResult:  # pyright: ignore[reportDeprecated]
         """Registered so the logging capability is advertised; never called -- params validation fails first."""
         raise NotImplementedError
 
diff --git a/tests/interaction/mcpserver/test_context.py b/tests/interaction/mcpserver/test_context.py
index 3e6bb542e6..175b7e195b 100644
--- a/tests/interaction/mcpserver/test_context.py
+++ b/tests/interaction/mcpserver/test_context.py
@@ -16,8 +16,8 @@
     ElicitResult,
     ErrorData,
     Implementation,
-    LoggingMessageNotification,
-    LoggingMessageNotificationParams,
+    LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
+    LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
     TextContent,
 )
 from tests.interaction._connect import Connect
@@ -36,7 +36,7 @@ async def test_context_logging_helpers_send_log_notifications(connect: Connect)
     of them carry a logger name unless one is passed explicitly. The server emits these without
     advertising the logging capability (see the divergence note on logging:capability).
     """
-    received: list[LoggingMessageNotificationParams] = []
+    received: list[LoggingMessageNotificationParams] = []  # pyright: ignore[reportDeprecated]
     mcp = MCPServer("chatty")
 
     @mcp.tool()
@@ -47,7 +47,7 @@ async def narrate(ctx: Context) -> str:
         await ctx.error("e")
         return "done"
 
-    async def collect(params: LoggingMessageNotificationParams) -> None:
+    async def collect(params: LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         received.append(params)
 
     async with connect(mcp, logging_callback=collect) as client:
@@ -57,10 +57,10 @@ async def collect(params: LoggingMessageNotificationParams) -> None:
     assert result == snapshot(CallToolResult(content=[TextContent(text="done")], structured_content={"result": "done"}))
     assert received == snapshot(
         [
-            LoggingMessageNotificationParams(level="debug", data="d"),
-            LoggingMessageNotificationParams(level="info", data="i"),
-            LoggingMessageNotificationParams(level="warning", data="w"),
-            LoggingMessageNotificationParams(level="error", data="e"),
+            LoggingMessageNotificationParams(level="debug", data="d"),  # pyright: ignore[reportDeprecated]
+            LoggingMessageNotificationParams(level="info", data="i"),  # pyright: ignore[reportDeprecated]
+            LoggingMessageNotificationParams(level="warning", data="w"),  # pyright: ignore[reportDeprecated]
+            LoggingMessageNotificationParams(level="error", data="e"),  # pyright: ignore[reportDeprecated]
         ]
     )
     # The spec requires servers that emit log notifications to declare the logging capability.
@@ -149,7 +149,7 @@ async def collect(message: IncomingMessage) -> None:
         CallToolResult(content=[TextContent(text="milled")], structured_content={"result": "milled"})
     )
     assert received == snapshot(
-        [LoggingMessageNotification(params=LoggingMessageNotificationParams(level="info", data="milling done"))]
+        [LoggingMessageNotification(params=LoggingMessageNotificationParams(level="info", data="milling done"))]  # pyright: ignore[reportDeprecated]
     )
 
 
@@ -245,7 +245,7 @@ async def test_set_logging_level_is_rejected_and_messages_are_never_filtered(con
     should only send messages at or above the configured level; with no way to configure one,
     everything is sent.
     """
-    received: list[LoggingMessageNotificationParams] = []
+    received: list[LoggingMessageNotificationParams] = []  # pyright: ignore[reportDeprecated]
     mcp = MCPServer("unfilterable")
 
     @mcp.tool()
@@ -254,7 +254,7 @@ async def chatter(ctx: Context) -> str:
         await ctx.error("signal")
         return "done"
 
-    async def collect(params: LoggingMessageNotificationParams) -> None:
+    async def collect(params: LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         received.append(params)
 
     async with connect(mcp, logging_callback=collect) as client:
@@ -268,7 +268,7 @@ async def collect(params: LoggingMessageNotificationParams) -> None:
     )
     assert received == snapshot(
         [
-            LoggingMessageNotificationParams(level="debug", data="noise"),
-            LoggingMessageNotificationParams(level="error", data="signal"),
+            LoggingMessageNotificationParams(level="debug", data="noise"),  # pyright: ignore[reportDeprecated]
+            LoggingMessageNotificationParams(level="error", data="signal"),  # pyright: ignore[reportDeprecated]
         ]
     )
diff --git a/tests/interaction/mcpserver/test_tools.py b/tests/interaction/mcpserver/test_tools.py
index 05135c1286..6a128fa3a7 100644
--- a/tests/interaction/mcpserver/test_tools.py
+++ b/tests/interaction/mcpserver/test_tools.py
@@ -16,8 +16,8 @@
     CallToolResult,
     ElicitRequestURLParams,
     ErrorData,
-    LoggingMessageNotification,
-    LoggingMessageNotificationParams,
+    LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
+    LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
     TextContent,
 )
 from tests.interaction._connect import Connect
@@ -428,5 +428,5 @@ async def collect(message: IncomingMessage) -> None:
     assert [tool.name for tool in before.tools] == ["doomed", "grow"]
     assert [tool.name for tool in after.tools] == ["grow", "extra"]
     assert received == snapshot(
-        [LoggingMessageNotification(params=LoggingMessageNotificationParams(level="info", data="tool set changed"))]
+        [LoggingMessageNotification(params=LoggingMessageNotificationParams(level="info", data="tool set changed"))]  # pyright: ignore[reportDeprecated]
     )
diff --git a/tests/interaction/transports/_stdio_server.py b/tests/interaction/transports/_stdio_server.py
index a6dad4772d..c7617e162c 100644
--- a/tests/interaction/transports/_stdio_server.py
+++ b/tests/interaction/transports/_stdio_server.py
@@ -19,7 +19,7 @@
     EmptyResult,
     ListToolsResult,
     PaginatedRequestParams,
-    SetLevelRequestParams,
+    SetLevelRequestParams,  # pyright: ignore[reportDeprecated]
     TextContent,
     Tool,
 )
@@ -44,7 +44,7 @@ async def call_tool(ctx: ServerRequestContext, params: CallToolRequestParams) ->
     return CallToolResult(content=[TextContent(text=text)])
 
 
-async def set_logging_level(ctx: ServerRequestContext, params: SetLevelRequestParams) -> EmptyResult:
+async def set_logging_level(ctx: ServerRequestContext, params: SetLevelRequestParams) -> EmptyResult:  # pyright: ignore[reportDeprecated]
     """Registered so the logging capability is advertised; the client never sets a level."""
     raise NotImplementedError
 
diff --git a/tests/interaction/transports/test_flows.py b/tests/interaction/transports/test_flows.py
index c428fe2d68..de72e29f4a 100644
--- a/tests/interaction/transports/test_flows.py
+++ b/tests/interaction/transports/test_flows.py
@@ -12,7 +12,7 @@
 
 from mcp.client.session import LoggingFnT
 from mcp.server.mcpserver import Context, MCPServer
-from mcp.types import CallToolResult, LoggingMessageNotificationParams, TextContent
+from mcp.types import CallToolResult, LoggingMessageNotificationParams, TextContent  # pyright: ignore[reportDeprecated]
 from tests.interaction._connect import client_via_http, connect_over_sse, mounted_app
 from tests.interaction._requirements import requirement
 
@@ -38,10 +38,10 @@ async def announce(label: str, ctx: Context) -> str:
     received_a: list[object] = []
     received_b: list[object] = []
 
-    async def collect_a(params: LoggingMessageNotificationParams) -> None:
+    async def collect_a(params: LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         received_a.append(params.data)
 
-    async def collect_b(params: LoggingMessageNotificationParams) -> None:
+    async def collect_b(params: LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         received_b.append(params.data)
 
     async with mounted_app(mcp) as (http, _):
diff --git a/tests/interaction/transports/test_hosting_http.py b/tests/interaction/transports/test_hosting_http.py
index e4a92ea7e4..365e37979d 100644
--- a/tests/interaction/transports/test_hosting_http.py
+++ b/tests/interaction/transports/test_hosting_http.py
@@ -27,7 +27,7 @@
     ListResourcesResult,
     ListToolsResult,
     PaginatedRequestParams,
-    SetLevelRequestParams,
+    SetLevelRequestParams,  # pyright: ignore[reportDeprecated]
     SubscribeRequestParams,
     TextContent,
 )
@@ -56,7 +56,7 @@ async def call_tool(ctx: ServerRequestContext, params: CallToolRequestParams) ->
         await ctx.session.send_resource_updated("file:///watched.txt")
         return CallToolResult(content=[TextContent(text="done")])
 
-    async def set_logging_level(ctx: ServerRequestContext, params: SetLevelRequestParams) -> EmptyResult:
+    async def set_logging_level(ctx: ServerRequestContext, params: SetLevelRequestParams) -> EmptyResult:  # pyright: ignore[reportDeprecated]
         """Registered so the logging capability is advertised; the client never sets a level."""
         raise NotImplementedError
 
diff --git a/tests/interaction/transports/test_hosting_resume.py b/tests/interaction/transports/test_hosting_resume.py
index c7945d56c3..50e5de29e3 100644
--- a/tests/interaction/transports/test_hosting_resume.py
+++ b/tests/interaction/transports/test_hosting_resume.py
@@ -29,7 +29,7 @@
     JSONRPCNotification,
     JSONRPCRequest,
     JSONRPCResponse,
-    LoggingMessageNotificationParams,
+    LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
     TextContent,
     jsonrpc_message_adapter,
 )
@@ -270,7 +270,7 @@ async def interrupt(ctx: Context) -> str:
         done.set()
         return "resumed"
 
-    async def collect(params: LoggingMessageNotificationParams) -> None:
+    async def collect(params: LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         received.append(params.data)
         if params.data == "before close":
             before_seen.set()
@@ -331,7 +331,7 @@ async def on_token(token: str) -> None:
         if len(captured) >= 2:
             token_seen.set()
 
-    async def collect(params: LoggingMessageNotificationParams) -> None:
+    async def collect(params: LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         received.append(params.data)
         first_seen.set()
 
diff --git a/tests/interaction/transports/test_stdio.py b/tests/interaction/transports/test_stdio.py
index 8aac551c67..45fed8928f 100644
--- a/tests/interaction/transports/test_stdio.py
+++ b/tests/interaction/transports/test_stdio.py
@@ -31,7 +31,7 @@
     JSONRPCNotification,
     JSONRPCRequest,
     JSONRPCResponse,
-    LoggingMessageNotificationParams,
+    LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
     TextContent,
 )
 from mcp.types.jsonrpc import jsonrpc_message_adapter
@@ -66,9 +66,9 @@ async def test_tool_call_and_notification_round_trip_over_a_stdio_subprocess(
     # child exits promptly. Not under test.
     monkeypatch.setattr(stdio, "PROCESS_TERMINATION_TIMEOUT", 20.0)
 
-    received: list[LoggingMessageNotificationParams] = []
+    received: list[LoggingMessageNotificationParams] = []  # pyright: ignore[reportDeprecated]
 
-    async def collect(params: LoggingMessageNotificationParams) -> None:
+    async def collect(params: LoggingMessageNotificationParams) -> None:  # pyright: ignore[reportDeprecated]
         received.append(params)
 
     with tempfile.TemporaryFile(mode="w+") as errlog:
@@ -100,7 +100,7 @@ async def collect(params: LoggingMessageNotificationParams) -> None:
     # stdio carries one ordered server-to-client stream, so the same notification-before-response
     # guarantee holds here as for the in-memory transport.
     assert received == snapshot(
-        [LoggingMessageNotificationParams(level="info", logger="echo", data="echoing across\nprocesses")]
+        [LoggingMessageNotificationParams(level="info", logger="echo", data="echoing across\nprocesses")]  # pyright: ignore[reportDeprecated]
     )
     # The server writes this line only after its run loop returns on stdin close: seeing it proves
     # a self-exit, not the terminate escalation. The capture itself proves stderr passthrough.
diff --git a/tests/interaction/transports/test_streamable_http.py b/tests/interaction/transports/test_streamable_http.py
index d38e2a0bb3..41168ce164 100644
--- a/tests/interaction/transports/test_streamable_http.py
+++ b/tests/interaction/transports/test_streamable_http.py
@@ -19,8 +19,8 @@
     CallToolResult,
     ElicitRequestParams,
     ElicitResult,
-    LoggingMessageNotification,
-    LoggingMessageNotificationParams,
+    LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
+    LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
     ResourceUpdatedNotification,
     ResourceUpdatedNotificationParams,
     TextContent,
@@ -133,8 +133,8 @@ async def collect(message: IncomingMessage) -> None:
     )
     # The related log notification rides the call's stream; the unrelated resource-updated
     # notification rides the standalone stream. Both arrive, nothing else does.
-    assert [message for message in received if isinstance(message, LoggingMessageNotification)] == snapshot(
-        [LoggingMessageNotification(params=LoggingMessageNotificationParams(level="info", data="about to announce"))]
+    assert [message for message in received if isinstance(message, LoggingMessageNotification)] == snapshot(  # pyright: ignore[reportDeprecated]
+        [LoggingMessageNotification(params=LoggingMessageNotificationParams(level="info", data="about to announce"))]  # pyright: ignore[reportDeprecated]
     )
     assert [message for message in received if isinstance(message, ResourceUpdatedNotification)] == snapshot(
         [ResourceUpdatedNotification(params=ResourceUpdatedNotificationParams(uri="file:///watched.txt"))]
diff --git a/tests/server/mcpserver/test_integration.py b/tests/server/mcpserver/test_integration.py
index 5bac39dfee..d45b6b20c0 100644
--- a/tests/server/mcpserver/test_integration.py
+++ b/tests/server/mcpserver/test_integration.py
@@ -22,7 +22,6 @@
     elicitation,
     mcpserver_quickstart,
     notifications,
-    sampling,
     structured_output,
     tool_progress,
 )
@@ -30,13 +29,11 @@
 from mcp.shared.session import RequestResponder
 from mcp.types import (
     ClientResult,
-    CreateMessageRequestParams,
-    CreateMessageResult,
     ElicitRequestParams,
     ElicitResult,
     GetPromptResult,
-    LoggingMessageNotification,
-    LoggingMessageNotificationParams,
+    LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
+    LoggingMessageNotificationParams,  # pyright: ignore[reportDeprecated]
     NotificationParams,
     ProgressNotification,
     ProgressNotificationParams,
@@ -59,7 +56,7 @@ class NotificationCollector:
 
     def __init__(self):
         self.progress_notifications: list[ProgressNotificationParams] = []
-        self.log_messages: list[LoggingMessageNotificationParams] = []
+        self.log_messages: list[LoggingMessageNotificationParams] = []  # pyright: ignore[reportDeprecated]
         self.resource_notifications: list[NotificationParams | None] = []
         self.tool_notifications: list[NotificationParams | None] = []
 
@@ -70,7 +67,7 @@ async def handle_generic_notification(
         if isinstance(message, ServerNotification):  # pragma: no branch
             if isinstance(message, ProgressNotification):
                 self.progress_notifications.append(message.params)
-            elif isinstance(message, LoggingMessageNotification):
+            elif isinstance(message, LoggingMessageNotification):  # pyright: ignore[reportDeprecated]
                 self.log_messages.append(message.params)
             elif isinstance(message, ResourceListChangedNotification):
                 self.resource_notifications.append(message.params)
@@ -78,18 +75,6 @@ async def handle_generic_notification(
                 self.tool_notifications.append(message.params)
 
 
-async def sampling_callback(context: ClientRequestContext, params: CreateMessageRequestParams) -> CreateMessageResult:
-    """Sampling callback for tests."""
-    return CreateMessageResult(
-        role="assistant",
-        content=TextContent(
-            type="text",
-            text="This is a simulated LLM response for testing",
-        ),
-        model="test-model",
-    )
-
-
 async def elicitation_callback(context: ClientRequestContext, params: ElicitRequestParams):
     """Elicitation callback for tests."""
     # For restaurant booking test
@@ -213,18 +198,6 @@ async def progress_callback(progress: float, total: float | None, message: str |
         assert len(collector.log_messages) > 0
 
 
-async def test_sampling() -> None:
-    """Test sampling (LLM interaction) functionality."""
-    async with Client(sampling.mcp, sampling_callback=sampling_callback) as client:
-        assert client.initialize_result.capabilities.tools is not None
-
-        # Test sampling tool
-        sampling_result = await client.call_tool("generate_poem", {"topic": "nature"})
-        assert len(sampling_result.content) == 1
-        assert isinstance(sampling_result.content[0], TextContent)
-        assert "This is a simulated LLM response" in sampling_result.content[0].text
-
-
 async def test_elicitation() -> None:
     """Test elicitation (user interaction) functionality."""
     async with Client(elicitation.mcp, elicitation_callback=elicitation_callback) as client:
diff --git a/tests/server/test_connection.py b/tests/server/test_connection.py
index e7ec874e32..dc48e40e14 100644
--- a/tests/server/test_connection.py
+++ b/tests/server/test_connection.py
@@ -20,14 +20,14 @@
 from mcp.types import (
     LATEST_PROTOCOL_VERSION,
     ClientCapabilities,
-    CreateMessageRequest,
-    CreateMessageRequestParams,
+    CreateMessageRequest,  # pyright: ignore[reportDeprecated]
+    CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
     ElicitationCapability,
     EmptyResult,
     Implementation,
     InitializeRequestParams,
-    ListRootsRequest,
-    ListRootsResult,
+    ListRootsRequest,  # pyright: ignore[reportDeprecated]
+    ListRootsResult,  # pyright: ignore[reportDeprecated]
     PingRequest,
     Request,
     RequestParams,
@@ -114,10 +114,10 @@ async def test_connection_send_raw_request_forwards_when_standalone_channel_pres
 async def test_connection_send_request_with_spec_type_infers_result_type():
     out = StubOutbound(result={"roots": [{"uri": "file:///ws"}]})
     conn = Connection(out, has_standalone_channel=True)
-    result = await conn.send_request(ListRootsRequest())
+    result = await conn.send_request(ListRootsRequest())  # pyright: ignore[reportDeprecated]
     method, _ = out.requests[0]
     assert method == "roots/list"
-    assert isinstance(result, ListRootsResult)
+    assert isinstance(result, ListRootsResult)  # pyright: ignore[reportDeprecated]
     assert str(result.roots[0].uri) == "file:///ws"
 
 
@@ -127,7 +127,7 @@ async def test_connection_send_request_validates_result_alias_only():
     ignored as extra, not populated by Python field name."""
     snake = {"role": "assistant", "content": {"type": "text", "text": "x"}, "model": "m", "stop_reason": "endTurn"}
     conn = Connection(StubOutbound(result=snake), has_standalone_channel=True)
-    result = await conn.send_request(CreateMessageRequest(params=CreateMessageRequestParams(messages=[], max_tokens=1)))
+    result = await conn.send_request(CreateMessageRequest(params=CreateMessageRequestParams(messages=[], max_tokens=1)))  # pyright: ignore[reportDeprecated]
     assert result.stop_reason is None
 
 
@@ -143,7 +143,7 @@ async def test_connection_send_request_with_result_type_kwarg_validates_custom_t
 async def test_connection_send_request_nonconforming_result_raises_validation_error():
     conn = Connection(StubOutbound(result={"bogus": 1}), has_standalone_channel=True)
     with pytest.raises(ValidationError):
-        await conn.send_request(ListRootsRequest())
+        await conn.send_request(ListRootsRequest())  # pyright: ignore[reportDeprecated]
 
 
 @pytest.mark.anyio
@@ -152,7 +152,7 @@ async def test_send_request_validates_the_client_result_against_the_surface_sche
     `ValidationError` even when the caller's `result_type` would accept it."""
     conn = Connection(StubOutbound(result={"roots": "nope"}), has_standalone_channel=True)
     with pytest.raises(ValidationError):
-        await conn.send_request(ListRootsRequest(), result_type=EmptyResult)
+        await conn.send_request(ListRootsRequest(), result_type=EmptyResult)  # pyright: ignore[reportDeprecated]
 
 
 @pytest.mark.anyio
@@ -160,8 +160,8 @@ async def test_send_request_passes_a_spec_valid_client_result():
     """A spec-valid client result passes the surface gate and parses to the typed model."""
     conn = Connection(StubOutbound(result={"roots": [{"uri": "file:///ws"}]}), has_standalone_channel=True)
     conn.protocol_version = "2025-11-25"
-    result = await conn.send_request(ListRootsRequest())
-    assert isinstance(result, ListRootsResult)
+    result = await conn.send_request(ListRootsRequest())  # pyright: ignore[reportDeprecated]
+    assert isinstance(result, ListRootsResult)  # pyright: ignore[reportDeprecated]
     assert str(result.roots[0].uri) == "file:///ws"
 
 
diff --git a/tests/server/test_runner.py b/tests/server/test_runner.py
index c4d10aea08..28ba393174 100644
--- a/tests/server/test_runner.py
+++ b/tests/server/test_runner.py
@@ -44,7 +44,7 @@
     ProgressNotificationParams,
     RequestParams,
     RequestParamsMeta,
-    SetLevelRequestParams,
+    SetLevelRequestParams,  # pyright: ignore[reportDeprecated]
     Tool,
 )
 
@@ -446,10 +446,10 @@ async def boom(ctx: Ctx, params: NotificationParams | None) -> None:
 async def test_runner_on_notify_drops_malformed_params(server: SrvT, caplog: pytest.LogCaptureFixture):
     """Malformed notification params are logged and dropped, not raised."""
 
-    async def on_level(ctx: Ctx, params: SetLevelRequestParams) -> None:
+    async def on_level(ctx: Ctx, params: SetLevelRequestParams) -> None:  # pyright: ignore[reportDeprecated]
         raise NotImplementedError
 
-    server.add_notification_handler("notifications/roots/list_changed", SetLevelRequestParams, on_level)
+    server.add_notification_handler("notifications/roots/list_changed", SetLevelRequestParams, on_level)  # pyright: ignore[reportDeprecated]
     async with connected_runner(server) as (client, _):
         await client.notify("notifications/roots/list_changed", {"level": "not-a-level"})
         result = await client.send_raw_request("tools/list", None)
@@ -756,10 +756,10 @@ async def mw(ctx: Ctx, method: str, params: Any, call_next: Any) -> Any:
 
 @pytest.mark.anyio
 async def test_runner_handler_returning_none_yields_empty_result(server: SrvT):
-    async def set_level(ctx: Ctx, params: SetLevelRequestParams) -> None:
+    async def set_level(ctx: Ctx, params: SetLevelRequestParams) -> None:  # pyright: ignore[reportDeprecated]
         return None
 
-    server.add_request_handler("logging/setLevel", SetLevelRequestParams, set_level)
+    server.add_request_handler("logging/setLevel", SetLevelRequestParams, set_level)  # pyright: ignore[reportDeprecated]
     async with connected_runner(server) as (client, _):
         result = await client.send_raw_request("logging/setLevel", {"level": "info"})
     assert result == {}
@@ -770,10 +770,10 @@ async def test_runner_handler_returning_error_data_produces_jsonrpc_error(server
     """A handler returning `ErrorData` reaches the client as a JSON-RPC error,
     not a success result, matching `BaseSession._send_response`."""
 
-    async def set_level(ctx: Ctx, params: SetLevelRequestParams) -> ErrorData:
+    async def set_level(ctx: Ctx, params: SetLevelRequestParams) -> ErrorData:  # pyright: ignore[reportDeprecated]
         return ErrorData(code=INVALID_PARAMS, message="bad level", data={"got": params.level})
 
-    server.add_request_handler("logging/setLevel", SetLevelRequestParams, set_level)
+    server.add_request_handler("logging/setLevel", SetLevelRequestParams, set_level)  # pyright: ignore[reportDeprecated]
     async with connected_runner(server) as (client, _):
         with pytest.raises(MCPError) as exc:
             await client.send_raw_request("logging/setLevel", {"level": "info"})
@@ -794,11 +794,11 @@ async def observe(ctx: Ctx, method: str, params: Any, call_next: Any) -> Any:
             seen.append(e)
             raise
 
-    async def set_level(ctx: Ctx, params: SetLevelRequestParams) -> ErrorData:
+    async def set_level(ctx: Ctx, params: SetLevelRequestParams) -> ErrorData:  # pyright: ignore[reportDeprecated]
         return ErrorData(code=INVALID_PARAMS, message="bad level")
 
     server.middleware.append(observe)
-    server.add_request_handler("logging/setLevel", SetLevelRequestParams, set_level)
+    server.add_request_handler("logging/setLevel", SetLevelRequestParams, set_level)  # pyright: ignore[reportDeprecated]
     async with connected_runner(server) as (client, _):
         with pytest.raises(MCPError) as exc:
             await client.send_raw_request("logging/setLevel", {"level": "info"})
diff --git a/tests/server/test_session.py b/tests/server/test_session.py
index cddf3c19ec..1c81ef0e82 100644
--- a/tests/server/test_session.py
+++ b/tests/server/test_session.py
@@ -82,13 +82,13 @@ async def on_progress(progress: float, total: float | None, message: str | None)
         raise NotImplementedError
 
     result = await session.send_request(
-        types.ListRootsRequest(),
-        types.ListRootsResult,
+        types.ListRootsRequest(),  # pyright: ignore[reportDeprecated]
+        types.ListRootsResult,  # pyright: ignore[reportDeprecated]
         request_read_timeout_seconds=2.5,
         metadata=ServerMessageMetadata(related_request_id=7),
         progress_callback=on_progress,
     )
-    assert isinstance(result, types.ListRootsResult)
+    assert isinstance(result, types.ListRootsResult)  # pyright: ignore[reportDeprecated]
     method, _params, opts, related = dispatcher.requests[0]
     assert method == "roots/list"
     assert opts == {"timeout": 2.5, "on_progress": on_progress}
@@ -99,7 +99,7 @@ async def on_progress(progress: float, total: float | None, message: str | None)
 async def test_send_request_omits_call_options_when_none_given():
     dispatcher = StubDispatcher(result={"roots": []})
     session = _make_session(dispatcher)
-    await session.send_request(types.ListRootsRequest(), types.ListRootsResult)
+    await session.send_request(types.ListRootsRequest(), types.ListRootsResult)  # pyright: ignore[reportDeprecated]
     _method, _params, opts, related = dispatcher.requests[0]
     assert opts is None
     assert related is None
@@ -137,15 +137,15 @@ async def test_send_request_validates_the_client_result_against_the_surface_sche
     `ValidationError` even when the caller's `result_type` would accept it."""
     session = _make_session(StubDispatcher(result={"roots": "nope"}))
     with pytest.raises(ValidationError):
-        await session.send_request(types.ListRootsRequest(), types.EmptyResult)
+        await session.send_request(types.ListRootsRequest(), types.EmptyResult)  # pyright: ignore[reportDeprecated]
 
 
 @pytest.mark.anyio
 async def test_send_request_passes_a_spec_valid_client_result():
     """A spec-valid client result passes the surface gate and parses to the typed model."""
     session = _make_session(StubDispatcher(result={"roots": [{"uri": "file:///ws"}]}))
-    result = await session.send_request(types.ListRootsRequest(), types.ListRootsResult)
-    assert isinstance(result, types.ListRootsResult)
+    result = await session.send_request(types.ListRootsRequest(), types.ListRootsResult)  # pyright: ignore[reportDeprecated]
+    assert isinstance(result, types.ListRootsResult)  # pyright: ignore[reportDeprecated]
     assert str(result.roots[0].uri) == "file:///ws"
 
 
@@ -164,8 +164,8 @@ async def test_send_request_validates_result_alias_only():
     ignored as extra, not populated by Python field name."""
     snake = {"role": "assistant", "content": {"type": "text", "text": "x"}, "model": "m", "stop_reason": "endTurn"}
     session = _make_session(StubDispatcher(result=snake))
-    request = types.CreateMessageRequest(params=types.CreateMessageRequestParams(messages=[], max_tokens=1))
-    result = await session.send_request(request, types.CreateMessageResult)
+    request = types.CreateMessageRequest(params=types.CreateMessageRequestParams(messages=[], max_tokens=1))  # pyright: ignore[reportDeprecated]
+    result = await session.send_request(request, types.CreateMessageResult)  # pyright: ignore[reportDeprecated]
     assert result.stop_reason is None
 
 
@@ -176,7 +176,7 @@ async def test_create_message_with_tools_returns_with_tools_result():
         dispatcher, capabilities=ClientCapabilities(sampling=SamplingCapability(tools=SamplingToolsCapability()))
     )
     result = await session.create_message(
-        messages=[types.SamplingMessage(role="user", content=types.TextContent(type="text", text="hi"))],
+        messages=[types.SamplingMessage(role="user", content=types.TextContent(type="text", text="hi"))],  # pyright: ignore[reportDeprecated]
         max_tokens=10,
         tools=[types.Tool(name="t", input_schema={"type": "object"})],
     )
diff --git a/tests/server/test_stateless_mode.py b/tests/server/test_stateless_mode.py
index 1b628e2388..15104fef51 100644
--- a/tests/server/test_stateless_mode.py
+++ b/tests/server/test_stateless_mode.py
@@ -51,7 +51,7 @@ async def test_create_message_fails_in_stateless_mode(stateless_session: ServerS
     with pytest.raises(StatelessModeNotSupported, match="sampling"):
         await stateless_session.create_message(
             messages=[
-                types.SamplingMessage(
+                types.SamplingMessage(  # pyright: ignore[reportDeprecated]
                     role="user",
                     content=types.TextContent(type="text", text="hello"),
                 )
@@ -131,10 +131,10 @@ async def test_stateful_mode_does_not_raise_stateless_error(
     """
     send_request_called = False
 
-    async def mock_send_request(*_: Any, **__: Any) -> types.ListRootsResult:
+    async def mock_send_request(*_: Any, **__: Any) -> types.ListRootsResult:  # pyright: ignore[reportDeprecated]
         nonlocal send_request_called
         send_request_called = True
-        return types.ListRootsResult(roots=[])
+        return types.ListRootsResult(roots=[])  # pyright: ignore[reportDeprecated]
 
     monkeypatch.setattr(stateful_session, "send_request", mock_send_request)
 
@@ -142,7 +142,7 @@ async def mock_send_request(*_: Any, **__: Any) -> types.ListRootsResult:
     result = await stateful_session.list_roots()
 
     assert send_request_called
-    assert isinstance(result, types.ListRootsResult)
+    assert isinstance(result, types.ListRootsResult)  # pyright: ignore[reportDeprecated]
 
 
 @pytest.mark.anyio
diff --git a/tests/server/test_validation.py b/tests/server/test_validation.py
index 19f4eb1088..16654e2480 100644
--- a/tests/server/test_validation.py
+++ b/tests/server/test_validation.py
@@ -11,13 +11,13 @@
 from mcp.types import (
     ClientCapabilities,
     SamplingCapability,
-    SamplingMessage,
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
     SamplingToolsCapability,
     TextContent,
     Tool,
-    ToolChoice,
-    ToolResultContent,
-    ToolUseContent,
+    ToolChoice,  # pyright: ignore[reportDeprecated]
+    ToolResultContent,  # pyright: ignore[reportDeprecated]
+    ToolUseContent,  # pyright: ignore[reportDeprecated]
 )
 
 # Tests for check_sampling_tools_capability function
@@ -65,7 +65,7 @@ def test_validate_sampling_tools_raises_when_tools_provided_but_no_capability()
 def test_validate_sampling_tools_raises_when_tool_choice_provided_but_no_capability() -> None:
     """Raises MCPError when tool_choice provided but client doesn't support."""
     with pytest.raises(MCPError) as exc_info:
-        validate_sampling_tools(None, None, ToolChoice(mode="auto"))
+        validate_sampling_tools(None, None, ToolChoice(mode="auto"))  # pyright: ignore[reportDeprecated]
     assert "sampling tools capability" in str(exc_info.value)
 
 
@@ -73,7 +73,11 @@ def test_validate_sampling_tools_no_error_when_capability_present() -> None:
     """No error when client has sampling.tools capability."""
     caps = ClientCapabilities(sampling=SamplingCapability(tools=SamplingToolsCapability()))
     tool = Tool(name="test", input_schema={"type": "object"})
-    validate_sampling_tools(caps, [tool], ToolChoice(mode="auto"))  # Should not raise
+    validate_sampling_tools(
+        caps,
+        [tool],
+        ToolChoice(mode="auto"),  # Should not raise  # pyright: ignore[reportDeprecated]
+    )
 
 
 # Tests for validate_tool_use_result_messages function
@@ -87,8 +91,8 @@ def test_validate_tool_use_result_messages_no_error_for_empty_messages() -> None
 def test_validate_tool_use_result_messages_no_error_for_simple_text_messages() -> None:
     """No error for simple text messages."""
     messages = [
-        SamplingMessage(role="user", content=TextContent(type="text", text="Hello")),
-        SamplingMessage(role="assistant", content=TextContent(type="text", text="Hi")),
+        SamplingMessage(role="user", content=TextContent(type="text", text="Hello")),  # pyright: ignore[reportDeprecated]
+        SamplingMessage(role="assistant", content=TextContent(type="text", text="Hi")),  # pyright: ignore[reportDeprecated]
     ]
     validate_tool_use_result_messages(messages)  # Should not raise
 
@@ -96,10 +100,10 @@ def test_validate_tool_use_result_messages_no_error_for_simple_text_messages() -
 def test_validate_tool_use_result_messages_raises_when_tool_result_mixed_with_other_content() -> None:
     """Raises when tool_result is mixed with other content types."""
     messages = [
-        SamplingMessage(
+        SamplingMessage(  # pyright: ignore[reportDeprecated]
             role="user",
             content=[
-                ToolResultContent(type="tool_result", tool_use_id="123"),
+                ToolResultContent(type="tool_result", tool_use_id="123"),  # pyright: ignore[reportDeprecated]
                 TextContent(type="text", text="also this"),
             ],
         ),
@@ -111,9 +115,9 @@ def test_validate_tool_use_result_messages_raises_when_tool_result_mixed_with_ot
 def test_validate_tool_use_result_messages_raises_when_tool_result_without_previous_tool_use() -> None:
     """Raises when tool_result appears without preceding tool_use."""
     messages = [
-        SamplingMessage(
+        SamplingMessage(  # pyright: ignore[reportDeprecated]
             role="user",
-            content=ToolResultContent(type="tool_result", tool_use_id="123"),
+            content=ToolResultContent(type="tool_result", tool_use_id="123"),  # pyright: ignore[reportDeprecated]
         ),
     ]
     with pytest.raises(ValueError, match="previous message containing tool_use"):
@@ -123,8 +127,8 @@ def test_validate_tool_use_result_messages_raises_when_tool_result_without_previ
 def test_validate_tool_use_result_messages_raises_when_previous_message_has_no_tool_use() -> None:
     """Raises when tool_result follows a message that has content but no tool_use."""
     messages = [
-        SamplingMessage(role="assistant", content=TextContent(type="text", text="just text")),
-        SamplingMessage(role="user", content=ToolResultContent(type="tool_result", tool_use_id="tool-1")),
+        SamplingMessage(role="assistant", content=TextContent(type="text", text="just text")),  # pyright: ignore[reportDeprecated]
+        SamplingMessage(role="user", content=ToolResultContent(type="tool_result", tool_use_id="tool-1")),  # pyright: ignore[reportDeprecated]
     ]
     with pytest.raises(ValueError, match="do not match any tool_use in the previous message"):
         validate_tool_use_result_messages(messages)
@@ -133,13 +137,13 @@ def test_validate_tool_use_result_messages_raises_when_previous_message_has_no_t
 def test_validate_tool_use_result_messages_raises_when_tool_result_ids_dont_match_tool_use() -> None:
     """Raises when tool_result IDs don't match tool_use IDs."""
     messages = [
-        SamplingMessage(
+        SamplingMessage(  # pyright: ignore[reportDeprecated]
             role="assistant",
-            content=ToolUseContent(type="tool_use", id="tool-1", name="test", input={}),
+            content=ToolUseContent(type="tool_use", id="tool-1", name="test", input={}),  # pyright: ignore[reportDeprecated]
         ),
-        SamplingMessage(
+        SamplingMessage(  # pyright: ignore[reportDeprecated]
             role="user",
-            content=ToolResultContent(type="tool_result", tool_use_id="tool-2"),
+            content=ToolResultContent(type="tool_result", tool_use_id="tool-2"),  # pyright: ignore[reportDeprecated]
         ),
     ]
     with pytest.raises(ValueError, match="do not match"):
@@ -149,13 +153,13 @@ def test_validate_tool_use_result_messages_raises_when_tool_result_ids_dont_matc
 def test_validate_tool_use_result_messages_no_error_when_tool_result_matches_tool_use() -> None:
     """No error when tool_result IDs match tool_use IDs."""
     messages = [
-        SamplingMessage(
+        SamplingMessage(  # pyright: ignore[reportDeprecated]
             role="assistant",
-            content=ToolUseContent(type="tool_use", id="tool-1", name="test", input={}),
+            content=ToolUseContent(type="tool_use", id="tool-1", name="test", input={}),  # pyright: ignore[reportDeprecated]
         ),
-        SamplingMessage(
+        SamplingMessage(  # pyright: ignore[reportDeprecated]
             role="user",
-            content=ToolResultContent(type="tool_result", tool_use_id="tool-1"),
+            content=ToolResultContent(type="tool_result", tool_use_id="tool-1"),  # pyright: ignore[reportDeprecated]
         ),
     ]
     validate_tool_use_result_messages(messages)  # Should not raise
diff --git a/tests/shared/test_peer.py b/tests/shared/test_peer.py
index a839991a6c..3dc6a147bd 100644
--- a/tests/shared/test_peer.py
+++ b/tests/shared/test_peer.py
@@ -15,11 +15,11 @@
 from mcp.shared.peer import ClientPeer, dump_params
 from mcp.shared.transport_context import TransportContext
 from mcp.types import (
-    CreateMessageResult,
+    CreateMessageResult,  # pyright: ignore[reportDeprecated]
     CreateMessageResultWithTools,
     ElicitResult,
-    ListRootsResult,
-    SamplingMessage,
+    ListRootsResult,  # pyright: ignore[reportDeprecated]
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
     TextContent,
     Tool,
 )
@@ -47,13 +47,13 @@ async def test_peer_sample_sends_create_message_and_returns_typed_result():
         peer = ClientPeer(client)
         with anyio.fail_after(5):
             result = await peer.sample(
-                [SamplingMessage(role="user", content=TextContent(type="text", text="hello"))],
+                [SamplingMessage(role="user", content=TextContent(type="text", text="hello"))],  # pyright: ignore[reportDeprecated]
                 max_tokens=10,
             )
         method, params = rec.seen[0]
         assert method == "sampling/createMessage"
         assert params is not None and params["maxTokens"] == 10
-        assert isinstance(result, CreateMessageResult)
+        assert isinstance(result, CreateMessageResult)  # pyright: ignore[reportDeprecated]
         assert result.model == "m"
 
 
@@ -67,9 +67,10 @@ async def test_peer_sample_validates_result_alias_only():
         peer = ClientPeer(client)
         with anyio.fail_after(5):
             result = await peer.sample(
-                [SamplingMessage(role="user", content=TextContent(type="text", text="q"))], max_tokens=1
+                [SamplingMessage(role="user", content=TextContent(type="text", text="q"))],  # pyright: ignore[reportDeprecated]
+                max_tokens=1,
             )
-        assert isinstance(result, CreateMessageResult)
+        assert isinstance(result, CreateMessageResult)  # pyright: ignore[reportDeprecated]
         assert result.stop_reason is None
 
 
@@ -80,7 +81,7 @@ async def test_peer_sample_with_tools_returns_with_tools_result():
         peer = ClientPeer(client)
         with anyio.fail_after(5):
             result = await peer.sample(
-                [SamplingMessage(role="user", content=TextContent(type="text", text="q"))],
+                [SamplingMessage(role="user", content=TextContent(type="text", text="q"))],  # pyright: ignore[reportDeprecated]
                 max_tokens=5,
                 tools=[Tool(name="t", input_schema={"type": "object"})],
             )
@@ -127,7 +128,7 @@ async def test_peer_list_roots_sends_roots_list_and_returns_typed_result():
             result = await peer.list_roots()
         method, _ = rec.seen[0]
         assert method == "roots/list"
-        assert isinstance(result, ListRootsResult)
+        assert isinstance(result, ListRootsResult)  # pyright: ignore[reportDeprecated]
         assert len(result.roots) == 1
         assert str(result.roots[0].uri) == "file:///workspace"
 
diff --git a/tests/shared/test_streamable_http.py b/tests/shared/test_streamable_http.py
index 6aadf6ff88..adc2cfaaaf 100644
--- a/tests/shared/test_streamable_http.py
+++ b/tests/shared/test_streamable_http.py
@@ -214,7 +214,7 @@ async def _handle_call_tool(ctx: ServerRequestContext[ServerState], params: Call
     elif name == "test_sampling_tool":
         sampling_result = await ctx.session.create_message(
             messages=[
-                types.SamplingMessage(
+                types.SamplingMessage(  # pyright: ignore[reportDeprecated]
                     role="user",
                     content=types.TextContent(type="text", text="Server needs client sampling"),
                 )
@@ -1127,7 +1127,10 @@ async def message_handler(  # pragma: no branch
         if isinstance(message, types.ServerNotification):  # pragma: no branch
             captured_notifications.append(message)
             # Look for our first notification
-            if isinstance(message, types.LoggingMessageNotification):  # pragma: no branch
+            if isinstance(
+                message,
+                types.LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
+            ):  # pragma: no branch
                 if message.params.data == "First notification before lock":
                     first_notification_received.set()
 
@@ -1188,7 +1191,7 @@ async def run_tool():
                     # after appending to captured_notifications. The server tool is
                     # blocked on its lock, so nothing else can arrive before we cancel.
                     assert len(captured_notifications) == 1
-                    assert isinstance(captured_notifications[0], types.LoggingMessageNotification)
+                    assert isinstance(captured_notifications[0], types.LoggingMessageNotification)  # pyright: ignore[reportDeprecated]
                     assert captured_notifications[0].params.data == "First notification before lock"
                     # Reset for phase 2 before cancelling
                     captured_notifications.clear()
@@ -1227,7 +1230,7 @@ async def run_tool():
 
                 # We should have received the remaining notifications
                 assert len(captured_notifications) == 1
-                assert isinstance(captured_notifications[0], types.LoggingMessageNotification)
+                assert isinstance(captured_notifications[0], types.LoggingMessageNotification)  # pyright: ignore[reportDeprecated]
                 assert captured_notifications[0].params.data == "Second notification after lock"
 
 
@@ -1241,15 +1244,15 @@ async def test_streamablehttp_server_sampling(basic_app: Starlette) -> None:
     # Define sampling callback that returns a mock response
     async def sampling_callback(
         context: ClientRequestContext,
-        params: types.CreateMessageRequestParams,
-    ) -> types.CreateMessageResult:
+        params: types.CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    ) -> types.CreateMessageResult:  # pyright: ignore[reportDeprecated]
         nonlocal sampling_callback_invoked, captured_message_params
         sampling_callback_invoked = True
         captured_message_params = params
         msg_content = params.messages[0].content_as_list[0]
         message_received = msg_content.text if msg_content.type == "text" else None
 
-        return types.CreateMessageResult(
+        return types.CreateMessageResult(  # pyright: ignore[reportDeprecated]
             role="assistant",
             content=types.TextContent(
                 type="text",
@@ -1912,7 +1915,10 @@ async def message_handler(
         if isinstance(message, Exception):  # pragma: no branch
             return  # pragma: no cover
         if isinstance(message, types.ServerNotification):  # pragma: no branch
-            if isinstance(message, types.LoggingMessageNotification):  # pragma: no branch
+            if isinstance(
+                message,
+                types.LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
+            ):  # pragma: no branch
                 captured_notifications.append(str(message.params.data))
 
     async with (
@@ -1980,7 +1986,10 @@ async def message_handler(
         if isinstance(message, Exception):  # pragma: no branch
             return  # pragma: no cover
         if isinstance(message, types.ServerNotification):  # pragma: no branch
-            if isinstance(message, types.LoggingMessageNotification):  # pragma: no branch
+            if isinstance(
+                message,
+                types.LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
+            ):  # pragma: no branch
                 all_notifications.append(str(message.params.data))
 
     async with (
@@ -2023,7 +2032,10 @@ async def message_handler(
         if isinstance(message, Exception):  # pragma: no branch
             return  # pragma: no cover
         if isinstance(message, types.ServerNotification):  # pragma: no branch
-            if isinstance(message, types.LoggingMessageNotification):  # pragma: no branch
+            if isinstance(
+                message,
+                types.LoggingMessageNotification,  # pyright: ignore[reportDeprecated]
+            ):  # pragma: no branch
                 notification_data.append(str(message.params.data))
 
     async with (
diff --git a/tests/test_types.py b/tests/test_types.py
index 3756bd893d..0f141c23c7 100644
--- a/tests/test_types.py
+++ b/tests/test_types.py
@@ -1,3 +1,4 @@
+import warnings
 from typing import Any
 
 import pytest
@@ -9,8 +10,8 @@
     ClientCapabilities,
     CompleteResult,
     Completion,
-    CreateMessageRequestParams,
-    CreateMessageResult,
+    CreateMessageRequestParams,  # pyright: ignore[reportDeprecated]
+    CreateMessageResult,  # pyright: ignore[reportDeprecated]
     CreateMessageResultWithTools,
     DiscoverResult,
     EmptyResult,
@@ -26,14 +27,15 @@
     ListToolsResult,
     ReadResourceResult,
     Result,
+    RootsCapability,
     SamplingCapability,
-    SamplingMessage,
+    SamplingMessage,  # pyright: ignore[reportDeprecated]
     ServerCapabilities,
     TextContent,
     Tool,
-    ToolChoice,
-    ToolResultContent,
-    ToolUseContent,
+    ToolChoice,  # pyright: ignore[reportDeprecated]
+    ToolResultContent,  # pyright: ignore[reportDeprecated]
+    ToolUseContent,  # pyright: ignore[reportDeprecated]
     client_request_adapter,
     jsonrpc_message_adapter,
 )
@@ -94,7 +96,7 @@ async def test_tool_use_content():
         "input": {"location": "San Francisco", "unit": "celsius"},
     }
 
-    tool_use = ToolUseContent.model_validate(tool_use_data)
+    tool_use = ToolUseContent.model_validate(tool_use_data)  # pyright: ignore[reportDeprecated]
     assert tool_use.type == "tool_use"
     assert tool_use.name == "get_weather"
     assert tool_use.id == "call_abc123"
@@ -116,7 +118,7 @@ async def test_tool_result_content():
         "isError": False,
     }
 
-    tool_result = ToolResultContent.model_validate(tool_result_data)
+    tool_result = ToolResultContent.model_validate(tool_result_data)  # pyright: ignore[reportDeprecated]
     assert tool_result.type == "tool_result"
     assert tool_result.tool_use_id == "call_abc123"
     assert len(tool_result.content) == 1
@@ -124,7 +126,7 @@ async def test_tool_result_content():
 
     # Test with empty content (should default to [])
     minimal_result_data = {"type": "tool_result", "toolUseId": "call_xyz"}
-    minimal_result = ToolResultContent.model_validate(minimal_result_data)
+    minimal_result = ToolResultContent.model_validate(minimal_result_data)  # pyright: ignore[reportDeprecated]
     assert minimal_result.content == []
 
 
@@ -133,18 +135,18 @@ async def test_tool_choice():
     """Test ToolChoice type for SEP-1577."""
     # Test with mode
     tool_choice_data = {"mode": "required"}
-    tool_choice = ToolChoice.model_validate(tool_choice_data)
+    tool_choice = ToolChoice.model_validate(tool_choice_data)  # pyright: ignore[reportDeprecated]
     assert tool_choice.mode == "required"
 
     # Test with minimal data (all fields optional)
-    minimal_choice = ToolChoice.model_validate({})
+    minimal_choice = ToolChoice.model_validate({})  # pyright: ignore[reportDeprecated]
     assert minimal_choice.mode is None
 
     # Test different modes
-    auto_choice = ToolChoice.model_validate({"mode": "auto"})
+    auto_choice = ToolChoice.model_validate({"mode": "auto"})  # pyright: ignore[reportDeprecated]
     assert auto_choice.mode == "auto"
 
-    none_choice = ToolChoice.model_validate({"mode": "none"})
+    none_choice = ToolChoice.model_validate({"mode": "none"})  # pyright: ignore[reportDeprecated]
     assert none_choice.mode == "none"
 
 
@@ -153,7 +155,7 @@ async def test_sampling_message_with_user_role():
     """Test SamplingMessage with user role for SEP-1577."""
     # Test with single content
     user_msg_data = {"role": "user", "content": {"type": "text", "text": "Hello"}}
-    user_msg = SamplingMessage.model_validate(user_msg_data)
+    user_msg = SamplingMessage.model_validate(user_msg_data)  # pyright: ignore[reportDeprecated]
     assert user_msg.role == "user"
     assert isinstance(user_msg.content, TextContent)
 
@@ -165,7 +167,7 @@ async def test_sampling_message_with_user_role():
             {"type": "tool_result", "toolUseId": "call_123", "content": []},
         ],
     }
-    multi_msg = SamplingMessage.model_validate(multi_content_data)
+    multi_msg = SamplingMessage.model_validate(multi_content_data)  # pyright: ignore[reportDeprecated]
     assert multi_msg.role == "user"
     assert isinstance(multi_msg.content, list)
     assert len(multi_msg.content) == 2
@@ -184,9 +186,9 @@ async def test_sampling_message_with_assistant_role():
             "input": {"query": "MCP protocol"},
         },
     }
-    assistant_msg = SamplingMessage.model_validate(assistant_msg_data)
+    assistant_msg = SamplingMessage.model_validate(assistant_msg_data)  # pyright: ignore[reportDeprecated]
     assert assistant_msg.role == "assistant"
-    assert isinstance(assistant_msg.content, ToolUseContent)
+    assert isinstance(assistant_msg.content, ToolUseContent)  # pyright: ignore[reportDeprecated]
 
     # Test with array of mixed content
     multi_content_data: dict[str, Any] = {
@@ -196,7 +198,7 @@ async def test_sampling_message_with_assistant_role():
             {"type": "tool_use", "name": "search", "id": "call_789", "input": {}},
         ],
     }
-    multi_msg = SamplingMessage.model_validate(multi_content_data)
+    multi_msg = SamplingMessage.model_validate(multi_content_data)  # pyright: ignore[reportDeprecated]
     assert isinstance(multi_msg.content, list)
     assert len(multi_msg.content) == 2
 
@@ -206,7 +208,7 @@ async def test_sampling_message_backward_compatibility():
     """Test that SamplingMessage maintains backward compatibility."""
     # Old-style message (single content, no tools)
     old_style_data = {"role": "user", "content": {"type": "text", "text": "Hello"}}
-    old_msg = SamplingMessage.model_validate(old_style_data)
+    old_msg = SamplingMessage.model_validate(old_style_data)  # pyright: ignore[reportDeprecated]
     assert old_msg.role == "user"
     assert isinstance(old_msg.content, TextContent)
 
@@ -215,16 +217,16 @@ async def test_sampling_message_backward_compatibility():
         "role": "assistant",
         "content": {"type": "tool_use", "name": "test", "id": "call_1", "input": {}},
     }
-    new_msg = SamplingMessage.model_validate(new_style_data)
+    new_msg = SamplingMessage.model_validate(new_style_data)  # pyright: ignore[reportDeprecated]
     assert new_msg.role == "assistant"
-    assert isinstance(new_msg.content, ToolUseContent)
+    assert isinstance(new_msg.content, ToolUseContent)  # pyright: ignore[reportDeprecated]
 
     # Array content
     array_style_data: dict[str, Any] = {
         "role": "user",
         "content": [{"type": "text", "text": "Result:"}, {"type": "tool_result", "toolUseId": "call_1", "content": []}],
     }
-    array_msg = SamplingMessage.model_validate(array_style_data)
+    array_msg = SamplingMessage.model_validate(array_style_data)  # pyright: ignore[reportDeprecated]
     assert isinstance(array_msg.content, list)
 
 
@@ -237,11 +239,11 @@ async def test_create_message_request_params_with_tools():
         input_schema={"type": "object", "properties": {"location": {"type": "string"}}},
     )
 
-    params = CreateMessageRequestParams(
-        messages=[SamplingMessage(role="user", content=TextContent(type="text", text="What's the weather?"))],
+    params = CreateMessageRequestParams(  # pyright: ignore[reportDeprecated]
+        messages=[SamplingMessage(role="user", content=TextContent(type="text", text="What's the weather?"))],  # pyright: ignore[reportDeprecated]
         max_tokens=1000,
         tools=[tool],
-        tool_choice=ToolChoice(mode="auto"),
+        tool_choice=ToolChoice(mode="auto"),  # pyright: ignore[reportDeprecated]
     )
 
     assert params.tools is not None
@@ -264,7 +266,7 @@ async def test_create_message_result_with_tool_use():
     # Tool use content uses CreateMessageResultWithTools
     result = CreateMessageResultWithTools.model_validate(result_data)
     assert result.role == "assistant"
-    assert isinstance(result.content, ToolUseContent)
+    assert isinstance(result.content, ToolUseContent)  # pyright: ignore[reportDeprecated]
     assert result.stop_reason == "toolUse"
     assert result.model == "claude-3"
 
@@ -285,7 +287,7 @@ async def test_create_message_result_basic():
     }
 
     # Basic content uses CreateMessageResult (single content, no arrays)
-    result = CreateMessageResult.model_validate(result_data)
+    result = CreateMessageResult.model_validate(result_data)  # pyright: ignore[reportDeprecated]
     assert result.role == "assistant"
     assert isinstance(result.content, TextContent)
     assert result.content.text == "Hello!"
@@ -437,3 +439,21 @@ def test_empty_result_dumps_result_type_only_when_explicitly_tagged():
 
 def test_input_required_result_dumps_its_discriminating_tag():
     assert _wire_dump(InputRequiredResult()) == snapshot({"resultType": "input_required"})
+
+
+def test_sep_2577_deprecated_class_warns_on_instantiation():
+    with pytest.warns(DeprecationWarning, match=r"`SamplingMessage` is deprecated as of 2026-07-28 \(SEP-2577\)\."):
+        SamplingMessage(role="user", content=TextContent(type="text", text="hi"))  # pyright: ignore[reportDeprecated]
+
+
+def test_sep_2577_deprecated_capability_field_warns_on_access_not_construction():
+    with warnings.catch_warnings():
+        warnings.simplefilter("error")
+        caps = ClientCapabilities(roots=RootsCapability(list_changed=True))
+    with pytest.warns(DeprecationWarning, match=r"`roots` is deprecated as of 2026-07-28 \(SEP-2577\)\."):
+        _ = caps.roots  # pyright: ignore[reportDeprecated]
+
+
+def test_sep_2577_deprecated_capability_sets_json_schema_flag():
+    assert ClientCapabilities.model_json_schema()["properties"]["roots"]["deprecated"] is True
+    assert ServerCapabilities.model_json_schema()["properties"]["logging"]["deprecated"] is True
diff --git a/tests/types/test_methods.py b/tests/types/test_methods.py
index c6d6823d72..315be640be 100644
--- a/tests/types/test_methods.py
+++ b/tests/types/test_methods.py
@@ -591,7 +591,7 @@ def test_non_file_root_uri_passes_the_surface_step_and_rejects_at_the_monolith_s
         methods.parse_client_request("tools/call", "2026-07-28", retry_params)
 
     file_roots = {"roots": [{"uri": "file:///workspace"}]}
-    assert isinstance(methods.parse_client_result("roots/list", "2025-11-25", file_roots), types.ListRootsResult)
+    assert isinstance(methods.parse_client_result("roots/list", "2025-11-25", file_roots), types.ListRootsResult)  # pyright: ignore[reportDeprecated]
     retried = methods.parse_client_request(
         "tools/call", "2026-07-28", {"_meta": META_TRIPLE, "name": "echo", "inputResponses": {"r1": file_roots}}
     )
@@ -715,7 +715,7 @@ def test_snake_case_spellings_of_required_aliased_fields_reject_as_missing():
         methods.parse_server_request("sampling/createMessage", "2025-11-25", snake_params)
     assert [error["loc"] for error in excinfo.value.errors() if error["type"] == "missing"] == [("params", "maxTokens")]
     with pytest.raises(pydantic.ValidationError):
-        types.CreateMessageRequest.model_validate(
+        types.CreateMessageRequest.model_validate(  # pyright: ignore[reportDeprecated]
             {"method": "sampling/createMessage", "params": snake_params}, by_name=False
         )
 
@@ -772,13 +772,13 @@ def test_input_required_unions_discriminate_identically_in_both_arm_orders():
 def test_sampling_union_keeps_the_complete_arm_first_because_order_is_load_bearing():
     """A single-block body satisfies both arms; smart-union ties resolve leftmost."""
     assert get_args(methods.MONOLITH_RESULTS["sampling/createMessage"]) == (
-        types.CreateMessageResult,
+        types.CreateMessageResult,  # pyright: ignore[reportDeprecated]
         types.CreateMessageResultWithTools,
     )
     single_block: dict[str, Any] = {"role": "assistant", "content": {"type": "text", "text": "hi"}, "model": "m"}
     through_row = methods.parse_client_result("sampling/createMessage", "2025-11-25", single_block)
-    assert type(through_row) is types.CreateMessageResult
-    reversed_union = pydantic.TypeAdapter[Any](types.CreateMessageResultWithTools | types.CreateMessageResult)
+    assert type(through_row) is types.CreateMessageResult  # pyright: ignore[reportDeprecated]
+    reversed_union = pydantic.TypeAdapter[Any](types.CreateMessageResultWithTools | types.CreateMessageResult)  # pyright: ignore[reportDeprecated]
     assert type(reversed_union.validate_python(single_block)) is types.CreateMessageResultWithTools
 
     array_body: dict[str, Any] = {"role": "assistant", "content": [{"type": "text", "text": "hi"}], "model": "m"}
diff --git a/tests/types/test_wire_frames.py b/tests/types/test_wire_frames.py
index a48180634d..8899eec9b4 100644
--- a/tests/types/test_wire_frames.py
+++ b/tests/types/test_wire_frames.py
@@ -17,7 +17,7 @@
     JSONRPCNotification,
     JSONRPCRequest,
     JSONRPCResponse,
-    ListRootsRequest,
+    ListRootsRequest,  # pyright: ignore[reportDeprecated]
     ListToolsResult,
     ProgressNotification,
     ProgressNotificationParams,
@@ -78,7 +78,7 @@ def test_empty_result_frame_dumps_an_empty_result_object():
 
 
 def test_input_required_result_frame_carries_the_tag_and_the_embedded_requests():
-    result = InputRequiredResult(input_requests={"r1": ListRootsRequest()}, request_state="s1")
+    result = InputRequiredResult(input_requests={"r1": ListRootsRequest()}, request_state="s1")  # pyright: ignore[reportDeprecated]
     frame = JSONRPCResponse(jsonrpc="2.0", id=4, result=_body(result))
     assert _frame(frame) == snapshot(
         '{"jsonrpc":"2.0","id":4,"result":{"resultType":"input_required","inputRequests":{"r1":{"method":"roots/list"}},"requestState":"s1"}}'