Azure AI Search MCP Server

#!/usr/bin/env python3 """Debug the tools list timeout issue.""" import asyncio import json import sys import os import subprocess import time async def debug_tools_list(): """Debug the tools list timeout.""" print("=== Debug Tools List Timeout ===") try: # Start the MCP server process = subprocess.Popen( ["azure-search-mcp"], stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE, text=True ) print("Started MCP server...") await asyncio.sleep(2) if process.poll() is None: print("✅ Server is running") # Send initialize init_request = { "jsonrpc": "2.0", "id": 1, "method": "initialize", "params": { "protocolVersion": "2024-11-05", "capabilities": {"tools": {}}, "clientInfo": {"name": "debug-client", "version": "1.0.0"} } } print("Sending initialize request...") if process.stdin: process.stdin.write(json.dumps(init_request) + "\n") process.stdin.flush() # Read stderr to see what's happening print("Checking stderr for messages...") # Non-blocking read of stderr import select import fcntl import os # Make stderr non-blocking on Windows (different approach) try: # Try to read some stderr output stderr_data = "" start_time = time.time() while time.time() - start_time < 3: # Wait 3 seconds if process.stderr and process.stderr.readable(): # Read available data try: chunk = process.stderr.read(1024) if chunk: stderr_data += chunk print(f"STDERR: {chunk.strip()}") except: pass await asyncio.sleep(0.1) print(f"Collected stderr: {stderr_data[:500]}...") # Now try to read stdout print("Attempting to read initialize response...") if process.stdout: try: response = await asyncio.wait_for( asyncio.create_task(asyncio.to_thread(process.stdout.readline)), timeout=5.0 ) print(f"✅ Init response: {response.strip()[:100]}...") # Now try tools list print("Sending tools list request...") tools_request = { "jsonrpc": "2.0", "id": 2, "method": "tools/list", "params": {} } process.stdin.write(json.dumps(tools_request) + "\n") process.stdin.flush() print("Waiting for tools response (with stderr monitoring)...") # Monitor both stdout and stderr start_time = time.time() response_received = False while time.time() - start_time < 10 and not response_received: # Check stderr try: if process.stderr and process.stderr.readable(): chunk = process.stderr.read(1024) if chunk: print(f"STDERR: {chunk.strip()}") except: pass # Check stdout (non-blocking) try: # This is a hack for non-blocking read tools_response = await asyncio.wait_for( asyncio.create_task(asyncio.to_thread(process.stdout.readline)), timeout=0.5 ) if tools_response.strip(): print(f"✅ Tools response: {tools_response.strip()[:200]}...") response_received = True break except asyncio.TimeoutError: pass # Continue waiting await asyncio.sleep(0.1) if not response_received: print("❌ No tools response received within 10 seconds") print("This suggests the handler is hanging or not responding") except asyncio.TimeoutError: print("❌ Timeout on initialize response") except Exception as e: print(f"Error monitoring stderr: {e}") else: print(f"❌ Server exited: {process.returncode}") # Clean up if process.poll() is None: process.terminate() await asyncio.sleep(1) if process.poll() is None: process.kill() except Exception as e: print(f"❌ Error: {e}") import traceback traceback.print_exc() if __name__ == "__main__": asyncio.run(debug_tools_list())