PO6 Mailbox for ChatGPT
com.po6/mailbox
Give AI agents secure access to your email via private aliases with dedicated mailbox storage.
client:ChatGPT
transport:streamable-http
Install PO6 Mailbox in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://mcp.po6.comCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs