Extremis for ChatGPT

online.extremis/extremis

Team inbox for WhatsApp, Instagram, Messenger and email: read, reply, assign and report.

client:ChatGPT transport:streamable-http

Install Extremis in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://extremis.online/api/mcp

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