FaxSeal for ChatGPT

io.github.grichardomi/faxseal

Send, receive, and verify faxes from AI assistants and agents via FaxSeal.

client:ChatGPT transport:streamable-http runtime:npm

Install FaxSeal in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp-server-production-8f66.up.railway.app/mcp

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