DevInbox for ChatGPT

io.devinbox/devinbox

Real email inboxes for AI agents: create inboxes, catch verification codes, extract OTPs, reply.

client:ChatGPT transport:streamable-http

Install DevInbox in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.devinbox.io

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