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fastmail-mcp

Fastmail MCP Server

A Model Context Protocol server that provides AI assistants with secure access to Fastmail's email, contacts, and calendar APIs through comprehensive JMAP integration and advanced email management features.

Tools

1. list_mailboxes

Get all mailboxes in your account.

2. list_emails

List emails from a specific mailbox or all mailboxes.

3. get_email

Get a specific email by ID.

4. send_email

Send an email.

5. search_emails

Search emails by content.

6. get_recent_emails

Get the most recent emails from a mailbox.

7. mark_email_read

Mark an email as read or unread.

8. delete_email

Delete an email (move to trash).

9. move_email

Move an email to a different mailbox.

10. get_email_attachments

Get list of attachments for an email.

11. download_attachment

Get download URL for an email attachment.

Advanced email search with multiple criteria.

13. get_thread

Get all emails in a conversation thread.

14. get_mailbox_stats

Get statistics for a mailbox (unread count, total emails, etc.).

15. get_account_summary

Get overall account summary with statistics.

16. bulk_mark_read

Mark multiple emails as read/unread.

17. bulk_move

Move multiple emails to a mailbox.

18. bulk_delete

Delete multiple emails (move to trash).

19. list_contacts

List all contacts.

20. get_contact

Get a specific contact by ID.

21. search_contacts

Search contacts by name or email.

22. list_calendars

List all calendars.

23. list_calendar_events

List calendar events.

24. get_calendar_event

Get a specific calendar event by ID.

25. create_calendar_event

Create a new calendar event.

26. list_identities

List sending identities (email addresses that can be used for sending).

27. check_function_availability

Check which functions are available based on account permissions (includes setup guidance).

28. test_bulk_operations

Safely test bulk operations with dry-run mode.

Open Graph image for Fastmail MCP Server

JSON Config

{
  "command": "node",
  "args": ["./dist/index.js"],
  "env": {
    "FASTMAIL_API_TOKEN": "your_api_token_here",
    "FASTMAIL_BASE_URL": "https://api.fastmail.com"
  }
}

Useful Links

Information