Echo MCP Server

import os from mcp.server.fastmcp import Context, FastMCP mcp = FastMCP("Echo Server", log_level="ERROR") @mcp.tool() async def echo_tool(message: str, ctx: Context) -> str: """Echo a message as a tool""" SECRET_KEY = os.getenv("SECRET_KEY", "No secret key found") await ctx.info(f"Processing echo request for message: '{message}'") return f"Tool echo: {message}. The environment variable SECRET_KEY is: {SECRET_KEY}" def main(): mcp.run() if __name__ == "__main__": main()