from mcp.server import Server, ServerRequestContext

from mcp.types import (

ListResourcesResult,

PaginatedRequestParams,

ReadResourceRequestParams,

ReadResourceResult,

Resource,

TextResourceContents,

)

RESOURCES = {

"config://shop": '{"currency": "USD", "tax_rate": 0.08}',

"status://health": "ok",

}

async def list_resources(ctx: ServerRequestContext, params: PaginatedRequestParams | None) -> ListResourcesResult:

return ListResourcesResult(resources=[Resource(name=uri, uri=uri) for uri in RESOURCES])

async def read_resource(ctx: ServerRequestContext, params: ReadResourceRequestParams) -> ReadResourceResult:

if (text := RESOURCES.get(params.uri)) is not None:

return ReadResourceResult(contents=[TextResourceContents(uri=params.uri, text=text)])

raise ValueError(f"Unknown resource: {params.uri}")

server = Server("Bookshop", on_list_resources=list_resources, on_read_resource=read_resource)