# Lumman > Lumman is an engineering studio that designs, builds and runs AI products. ## Pages - [Home](https://lumman.co/index.md) - [About](https://lumman.co/about.md): What the studio does, what it builds and its registered identity - [Connectors](https://lumman.co/mcp.md): Multi Mail and Multi Calendar put your Gmail, Outlook, Yahoo, iCloud and other mailboxes and calendars in Claude, ChatGPT and other AI apps. - [Multi Mail](https://lumman.co/mcp/multi-mail.md): Your mailboxes in one connector - Gmail, Outlook.com, Hotmail, Microsoft 365, Yahoo, iCloud and other mailboxes - [Multi Calendar](https://lumman.co/mcp/multi-calendar.md): Your calendars in one connector - Outlook.com, Microsoft 365, Google, iCloud and other calendars - [Connect several Gmail accounts to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/gmail.md): Multi Mail connects any number of Gmail accounts to Claude and ChatGPT, each with an app password - never your Google password. - [Connect Outlook.com and Hotmail to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/outlook.md): Multi Mail connects Outlook.com and Hotmail mailboxes to Claude and ChatGPT with Microsoft sign-in, so Lumman never receives your password. - [Connect Microsoft 365 mail to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/microsoft-365.md): Multi Mail connects work and school mailboxes on Microsoft 365 to Claude and ChatGPT with Microsoft sign-in, once your organisation allows it. - [Connect Yahoo Mail to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/yahoo.md): Multi Mail connects Yahoo mailboxes to Claude and ChatGPT with an app password, never your Yahoo password. - [Connect AOL Mail to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/aol.md): Multi Mail connects AOL mailboxes to Claude and ChatGPT with an app password, never your AOL password. - [Connect Verizon.net email to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/verizon.md): Multi Mail connects Verizon.net mailboxes to Claude and ChatGPT with an app password made at AOL, which keeps Verizon.net mail. - [Connect AT&T Mail to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/att.md): Multi Mail connects AT&T mailboxes to Claude and ChatGPT with a secure mail key, never your AT&T password. - [Connect iCloud Mail to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/icloud.md): Multi Mail connects iCloud mailboxes to Claude and ChatGPT with an app-specific password, never your Apple Account password. - [Connect Fastmail to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/fastmail.md): Multi Mail connects Fastmail mailboxes to Claude and ChatGPT with an app password, never your Fastmail password. - [Connect Inkbox to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/inkbox.md): Inkbox inboxes connect to Claude and ChatGPT through Multi Mail, each with an API key scoped to that inbox. - [Connect an IMAP mailbox to Claude and ChatGPT - Multi Mail](https://lumman.co/mcp/multi-mail/other.md): Multi Mail connects other mailboxes that mail apps reach over IMAP to Claude and ChatGPT with their address and password. - [Connect Outlook.com and Hotmail calendars to Claude and ChatGPT - Multi Calendar](https://lumman.co/mcp/multi-calendar/outlook.md): Multi Calendar connects Outlook.com and Hotmail calendars to Claude and ChatGPT with Microsoft sign-in, so Lumman never receives your password. - [Connect Microsoft 365 calendars to Claude and ChatGPT - Multi Calendar](https://lumman.co/mcp/multi-calendar/microsoft-365.md): Multi Calendar connects work and school calendars on Microsoft 365 to Claude and ChatGPT with Microsoft sign-in, once your organisation allows it. - [Connect Google Calendar to Claude and ChatGPT - Multi Calendar](https://lumman.co/mcp/multi-calendar/google.md): Multi Calendar connects Google calendars to Claude and ChatGPT with Google sign-in, so Lumman never receives your password. - [Connect iCloud Calendar to Claude and ChatGPT - Multi Calendar](https://lumman.co/mcp/multi-calendar/icloud.md): Multi Calendar connects iCloud calendars to Claude and ChatGPT with an app-specific password, never your Apple Account password. - [Connect Yahoo Calendar to Claude and ChatGPT - Multi Calendar](https://lumman.co/mcp/multi-calendar/yahoo.md): Multi Calendar connects Yahoo calendars to Claude and ChatGPT with an app password, never your Yahoo password. - [Connect AOL Calendar to Claude and ChatGPT - Multi Calendar](https://lumman.co/mcp/multi-calendar/aol.md): Multi Calendar connects AOL calendars to Claude and ChatGPT with an app password, never your AOL password. - [Connect a CalDAV calendar to Claude and ChatGPT - Multi Calendar](https://lumman.co/mcp/multi-calendar/other.md): Multi Calendar connects Fastmail, Zoho, GMX and other CalDAV calendars to Claude and ChatGPT with their address and password. - [Connect your mailboxes and calendars to Claude](https://lumman.co/mcp/claude.md): Add Multi Mail and Multi Calendar to Claude from its connectors directory, then sign in to Lumman, add your mailboxes and calendars and approve Claude. - [Connect your mailboxes and calendars to ChatGPT](https://lumman.co/mcp/chatgpt.md): Add Multi Mail and Multi Calendar to ChatGPT as custom MCP servers by their addresses, then type @ in a chat and choose one. - [Connect your mailboxes and calendars to Claude Code](https://lumman.co/mcp/claude-code.md): Install Multi Mail and Multi Calendar in Claude Code as plugins, two commands each, then approve on the Lumman page your browser opens. - [Connect your mailboxes and calendars to Cursor](https://lumman.co/mcp/cursor.md): Add Multi Mail and Multi Calendar to Cursor in ~/.cursor/mcp.json, then approve each on the Lumman page Cursor opens. - [Pricing](https://lumman.co/mcp/pricing.md): Multi Mail and Multi Calendar start free. Each plan is billed on its own. - [Legal](https://lumman.co/legal.md): Every document that governs this website, each published in full at its own address. - [Privacy Policy](https://lumman.co/privacy.md): How Lumman handles information on this website, and what a connected mailbox or calendar reaches, keeps and passes on. - [Terms of Use](https://lumman.co/terms.md): The terms governing this website and the connectors it offers. - [Data Deletion](https://lumman.co/data-deletion.md): How to have everything an account holds deleted, and what that destroys. ## Company - Lumman Ltd - Registered in England and Wales, company number 15425759, VAT number GB532074908. Registered office: 86-90 Paul Street, London, EC2A 4NE, United Kingdom. ## Projects - [wectory](https://www.wectory.com/): rent advances for letting agents - [buzzagent](https://www.buzzagent.co/): all things local business in WhatsApp - [deeperer](https://deeperer.com/): editorial-grade research, cited inline - [owlsby](https://owlsby.com/): every home's wise owl (beta) ## Agent surfaces - [Multi Mail](https://mail.lumman.co/mcp): MCP connector for the mailboxes. Free: 25 actions a day. Any number of mailboxes, every tool. Up to 250 actions a month. No card. Plan: Standard - 1,000 actions a day. $50 a year or $5 a month. Plus - 10,000 actions a day. $200 a year or $20 a month. Tools: mailboxes_list, messages_list, messages_list_all_mailboxes, threads_get, messages_get, messages_attachments_get, sweeps_preview, drafts_create, drafts_update, drafts_reply, drafts_forward, drafts_delete, messages_send, drafts_send, messages_reply, messages_forward, labels_list, labels_create, labels_update, labels_delete, threads_modify, threads_archive, threads_trash, threads_untrash, sweeps_apply, sweeps_put_back, settings_filters_list, settings_filters_create, settings_filters_update, settings_filters_delete, settings_send_as_patch, settings_send_as_get, settings_send_as_find, settings_get_vacation, settings_update_vacation. - [Multi Calendar](https://calendar.lumman.co/mcp): MCP connector for the calendars. Free: Every calendar. 1 booking page and 1 circle. No card. Plan: Any number of booking pages and circles. $50 a year or $5 a month. Tools: calendars_list, events_list, events_get, free_times_find, events_create, events_edit, events_cancel, events_respond, preferences_get, preferences_set, busy_everywhere_set, booking_links_create, booking_page_set, polls_create, polls_results, polls_book, links_polls_list, links_polls_close, circles_invite, circles_list, circles_free_times_find.