MCP example

mcp_example.py

#!/usr/bin/env python3
from mcp.server.fastmcp import FastMCP
from mcp.server.sse import sse_app  # SSE transport ASGI app
import uvicorn
import subprocess

# Create MCP server
mcp = FastMCP("Pi-MCP-Server")

@mcp.tool()
def run_command(cmd: str):
    """Run shell command as mcp user."""
    try:
        out = subprocess.check_output(cmd, shell=True, text=True, stderr=subprocess.STDOUT)
        return {"output": out}
    except subprocess.CalledProcessError as e:
        return {"error": e.output, "returncode": e.returncode}

# Wrap FastMCP in SSE app
app = sse_app(mcp)

if __name__ == "__main__":
    # Start HTTP server on LAN
    uvicorn.run(app, host="0.0.0.0", port=5000)