Atomic Mail for ChatGPT

io.github.atomic-mail/mcp

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

client:ChatGPT transport:streamable-http runtime:npm

Install Atomic Mail in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.atomicmail.ai/mcp

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