Pidgeon for ChatGPT
ai.pidgeon/mcp
Mailboxes for AI agents: create addresses, send, receive, thread and hand off email.
client:ChatGPT
transport:streamable-http
runtime:npm
Install Pidgeon in ChatGPT
Settings → Connectors → Advanced → Developer mode
https://pidgeon.ai/api/mcpCustom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs