Needwing for ChatGPT
ai.needwing/needwing
Grounded web and Agent-network research for any MCP client: answers with cited evidence.
client:ChatGPT
transport:streamable-http
Install Needwing in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://needwing.ai/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs