我开发了一个小 mcp，然后使用 codex 进行本地连接，但是总是报错： 
⚠ MCP client for pitfall-keeper failed to start: MCP startup failed: handshaking with MCP server failed: connection 
closed: initialize response 
⚠ MCP startup incomplete (failed: pitfall-keeper) 
排查了很久也找不到原因。 
这是我的配置： 
[mcp_servers.pitfall-keeper] 
command = “D:\MCP\Pitfall-Keeper\.venv\Scripts\fastmcp.exe” 
args = [“run”, “D:\MCP\Pitfall-Keeper\src\server.p...