Fettle for ChatGPT

sh.fettle/mcp

Uptime monitoring for developers — monitors, incidents, heartbeats and status pages

client:ChatGPT transport:streamable-http runtime:npm

Install Fettle in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://api.fettle.sh/mcp

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