Connect your mailboxes and calendars to Claude Code

Install Multi Mail and Multi Calendar in Claude Code as plugins, two commands each, then approve on the Lumman page your browser opens.

The AI apps' own connectors

Claude Code's docs say the connectors you add in claude.ai, Gmail, Google Calendar and Microsoft 365 among them, are available in Claude Code when you sign in to it with your claude.ai account. Read on 3 November 2026.

Connect it

Multi Mail

Gmail, Outlook.com, Hotmail, Microsoft 365, Yahoo, iCloud and other mailboxes, in one connector.

1
Run in Claude Code
/plugin marketplace add lumman-lab/multi-mail
/plugin install multi-mail@multi-mail
Run the first, then the second.
2
Sign in, add your mailbox and approve Claude Code on the Lumman page your browser opens. If none opens, run /mcp and choose multi-mail.
3
Ask, or run /multi-mail:triage

Multi Calendar

Your Outlook.com, Microsoft 365, Google, iCloud and other calendars, in one connector.

1
Run in Claude Code
/plugin marketplace add lumman-lab/multi-calendar
/plugin install multi-calendar@multi-calendar
Run the first, then the second.
2
Sign in, add your calendar and approve Claude Code on the Lumman page your browser opens. If none opens, run /mcp and choose multi-calendar.
3
Ask, or run /multi-calendar:week

Reach and limits

Search and read every mailbox you add at once, and draft, reply, forward and send from any of them.
Archive, bin and file mail, and clean up an inbox by sender, putting back what a clean-up moved.
Find free time across every calendar you add, and create, move and cancel events.
Share booking links and a booking page, run group polls, and find a time with the people in a circle.

If it refuses