from mcp.server import MCPServer

mcp = MCPServer("Bookshop")

BOOKS = {

"978-0441172719": {"title": "Dune", "author": "Frank Herbert"},

"978-0553293357": {"title": "Foundation", "author": "Isaac Asimov"},

}

MANUALS = {

"printing/setup.md": "# Printer setup\n\nLoad paper, then power on.",

"returns.md": "# Returns policy\n\nThirty days with a receipt.",

}

@mcp.resource("books://{isbn}")

def get_book(isbn: str) -> dict[str, str]:

"""A single book by ISBN."""

return BOOKS[isbn]

@mcp.resource("orders://{order_id}")

def get_order(order_id: int) -> dict[str, object]:

"""An order by its numeric id."""

return {"order_id": order_id, "next_order": order_id + 1, "status": "shipped"}

@mcp.resource("manuals://{+path}")

def read_manual(path: str) -> str:

"""A staff manual page. The path keeps its slashes."""

return MANUALS[path]

@mcp.resource("reviews://{isbn}{?limit,sort}")

def list_reviews(isbn: str, limit: int = 10, sort: str = "newest") -> str:

"""Reviews of a book, optionally limited and sorted."""

return f"{limit} {sort} reviews of {BOOKS[isbn]['title']}"

@mcp.resource("shelves://browse{/path*}")

def browse_shelf(path: list[str]) -> str:

"""A shelf in the category tree, addressed by segments."""

return " > ".join(["catalog", *path])