mcp_client_quickstart_stdio_tool_listing_and_execution.py

1import asyncio
2from mcp import ClientSession, StdioServerParameters
3from mcp.client.stdio import stdio_client
4
5async def run():
6    # Configure the server parameters (replace with your server's path/command)
7    server_params = StdioServerParameters(
8        command="python",
9        args=["server.py"],
10        env=None
11    )
12
13    async with stdio_client(server_params) as (read, write):
14        async with ClientSession(read, write) as session:
15            # Initialize the connection
16            await session.initialize()
17
18            # List available tools
19            tools = await session.list_tools()
20            print(f"Available tools: {tools}")
21
22            # Call a tool (example: "echo" tool)
23            result = await session.call_tool("echo", arguments={"message": "Hello MCP!"})
24            print(f"Tool result: {result}")
25
26if __name__ == "__main__":
27    asyncio.run(run())