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modelcontextprotocol--pytho…/docs_src/tools/tutorial003.py
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chore: import upstream snapshot with attribution
2026-07-13 12:10:27 +08:00

19 lines
587 B
Python

from typing import Annotated, Literal
from pydantic import Field
from mcp.server import MCPServer
mcp = MCPServer("Bookshop")
@mcp.tool()
def search_books(
query: Annotated[str, Field(description="Title or author to search for.")],
limit: Annotated[int, Field(ge=1, le=50, description="Maximum number of results.")] = 10,
genre: Literal["fiction", "non-fiction", "poetry"] | None = None,
) -> str:
"""Search the catalog by title or author."""
where = f" in {genre}" if genre else ""
return f"Found 3 books matching {query!r}{where} (showing up to {limit})."