Conduit Mail for ChatGPT

app.conduitmail/conduit-mail

Your mailbox for MCP clients: search, read, draft, send, rules and notes. Sending is off by default.

client:ChatGPT transport:streamable-http

Install Conduit Mail in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://connect.conduitmail.app/mcp

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