MailFlat for Claude Code

io.github.mailflat/mailflat-mcp

Real email inboxes for AI agents: open an address, read the one-time code, send mail.

client:Claude Code transport:stdio runtime:pypi

Install MailFlat in Claude Code

run in your project directory

claude mcp add mailflat-mcp -e MAILFLAT_API_KEY=<MAILFLAT_API_KEY> -e MAILFLAT_API_URL=<MAILFLAT_API_URL> -- uvx mailflat-mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs