Hello, AI for ChatGPT
com.helloai/directory
Ask your assistant which frontier model to use and get a live, Elo-backed answer.
client:ChatGPT
transport:streamable-http
tools:6
Install Hello, AI in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://helloai.com/mcp
Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs