UnifAPI for ChatGPT

com.unifapi/mcp

Hosted MCP server for live public-data APIs and Skills for AI agents.

client:ChatGPT transport:streamable-http

Install UnifAPI in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.unifapi.com

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs