[ContentBrowser] ContentBrowserTab1.SelectedPaths=/Game/ThirdPersonCPP ; The engine's experimental MCP plugin serves http://127.0.0.1:8000/mcp from inside the editor; .mcp.json points ; Claude Code at it. Without auto-start nothing listens and the client reports a refused connection. [/Script/ModelContextProtocolEngine.ModelContextProtocolSettings] bAutoStartServer=True ServerPortNumber=8000 ServerUrlPath=/mcp