machine inbox for ChatGPT

com.machineinbox/machine-inbox

Task-scoped email inboxes for AI agents: read mail, extract verification codes, and reply.

client:ChatGPT transport:streamable-http tools:11

Install machine inbox in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://machineinbox.com/mcp

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