"Gmail" matching MCP connectors:

PhoboMail gives AI agents their own @phobomail.com email address with zero human involvement. Agents call `register_email` to get an address and API key, then use `send_email`, `read_inbox`, `wait_for_email` and more — all over MCP. Ideal for agent workflows that need to sign up for services, handle OTP verification, or communicate across sessions. Hosted on Cloudflare.

A paid remote MCP for OpenAI Codex agent coordination MCP, built to return verdicts, receipts, usage

Authenticated email gateway for AI agents — per-agent inboxes, HITL approval, SPF/DKIM verified.