mcp server for ChatGPT

dev.multimail/mcp-server

Give your agent its own email address with graduated human oversight, from approval to autonomy.

client:ChatGPT transport:streamable-http runtime:npm

Install mcp server in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.multimail.dev/mcp

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