from mcp import Client from mcp.server import MCPServer mcp = MCPServer("Bookshop", instructions="Search the catalog before recommending a book.") @mcp.tool() def search_books(query: str) -> str: """Search the catalog by title or author.""" return f"Found 3 books matching {query!r}." async def main() -> None: async with Client(mcp) as client: print(client.server_info) print(client.server_capabilities) print(client.protocol_version) print(client.instructions)