Python MCP Server Examples

# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. # SPDX-License-Identifier: MIT-0 import asyncio from fastmcp import Client async def main(): # Create a client that points to the calculator server client = Client("../src/calculator_server.py") async with client: # Get server info info = await client.get_info() print(f"Connected to: {info.name}") # Call the sum tool result = await client.call_tool("sum", {"a": 5, "b": 3}) print(f"5 + 3 = {result}") # Call the sub tool result = await client.call_tool("sub", {"a": 10, "b": 4}) print(f"10 - 4 = {result}") # Call the multiply tool result = await client.call_tool("multiply", {"a": 6, "b": 7}) print(f"6 * 7 = {result}") # Call the divide tool result = await client.call_tool("divide", {"a": 20, "b": 4}) print(f"20 / 4 = {result}") # Try division by zero (should raise an error) try: result = await client.call_tool("divide", {"a": 10, "b": 0}) print(f"10 / 0 = {result}") # This should not execute except Exception as e: print(f"Error (expected): {e}") if __name__ == "__main__": asyncio.run(main())