MCP Build Environment Service

#!/usr/bin/env python3 """ Debug script to test the MCP protocol communication """ import asyncio import json import sys from pathlib import Path sys.path.insert(0, str(Path(__file__).parent.parent)) async def main(): """Test basic MCP communication""" import subprocess import os # Start server in the current directory proc = await asyncio.create_subprocess_exec( "python", "-m", "server", stdin=asyncio.subprocess.PIPE, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE, cwd=os.getcwd() ) print("Server started...") # Send initialize init_req = { "jsonrpc": "2.0", "id": 1, "method": "initialize", "params": { "protocolVersion": "2024-11-05", "capabilities": {}, "clientInfo": { "name": "debug-client", "version": "1.0.0" } } } print(f"\nSending: {json.dumps(init_req)}") proc.stdin.write((json.dumps(init_req) + "\n").encode()) await proc.stdin.drain() # Read response response = await asyncio.wait_for(proc.stdout.readline(), timeout=5.0) print(f"Response: {response.decode()}") # Send initialized notification notif = { "jsonrpc": "2.0", "method": "notifications/initialized" } print(f"\nSending: {json.dumps(notif)}") proc.stdin.write((json.dumps(notif) + "\n").encode()) await proc.stdin.drain() # Wait a bit for notification to be processed await asyncio.sleep(0.5) # Send tools/list tools_req = { "jsonrpc": "2.0", "id": 2, "method": "tools/list", "params": {} } print(f"\nSending: {json.dumps(tools_req)}") proc.stdin.write((json.dumps(tools_req) + "\n").encode()) await proc.stdin.drain() # Read response response = await asyncio.wait_for(proc.stdout.readline(), timeout=5.0) print(f"Response: {response.decode()}") # Clean up proc.terminate() await proc.wait() # Print any stderr stderr = await proc.stderr.read() if stderr: print(f"\nServer stderr:\n{stderr.decode()}") if __name__ == "__main__": asyncio.run(main())