SuperMailbox for Claude.ai
io.github.hardtab/supermailbox
Gmail, iCloud, Outlook, Yahoo, Fastmail and IMAP email: search, read, draft and organize.
client:Claude.ai
transport:streamable-http
Install SuperMailbox in Claude.ai
Settings → Connectors → Add custom connector
https://api.supermailbox.app/mcpClaude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs