The MCP tool directory.

Retrieves a list of all system and user-created labels for the specified gmail account.

List messages in the mailbox. Supports Gmail search syntax for filtering (e.g., from:, to:, subject:, is:unread, has:attachment).

Retrieves a list of email threads from a gmail account, identified by `user id` (email address or 'me'), supporting filtering and pagination.

Add or remove labels on a message. Use this to mark as read/unread, star/unstar, or apply custom labels.

Add or remove labels on all messages in a thread.

Adds or removes specified existing label ids from a gmail thread, affecting all its messages; ensure the thread id is valid.

Moves an existing, non-deleted email message to the trash for the specified user.

Patches the specified label.

Permanently deletes a specific, existing user-created gmail label by its id for a user; cannot delete system labels.

Sends a reply within a specific gmail thread using the original thread's subject, requiring a valid `thread id` and correctly formatted email addresses. supports attachments via the `attachment` parameter with valid `s3key`, `mimetype`, and `name`.

Send an existing draft. The draft is removed from the drafts list after sending.

Send an email message. Supports plain text and HTML body, CC, BCC, and replying to threads.

Move a message to the trash. Can be undone with gmail_untrash_message.

Move all messages in a thread to the trash.

Remove a message from the trash, restoring it to its original location.

Remove all messages in a thread from the trash.

Update an existing draft with new content. Replaces the entire draft message.

Update a label name, visibility, or color.

Enable or disable vacation auto-reply (out of office) with custom response message.

Updates an access control rule for a calendar using patch semantics (partial update). This allows modifying specific fields without affecting other properties. Note: Each patch request consumes three quota units. For domain-type ACL rules, if PATCH fails with 500 error, this action will automatically fallback to UPDATE method.

Inserts an existing calendar into the user's calendar list.

Updates an existing entry on the user\'s calendar list.

Deletes a secondary calendar. Use calendars.clear for clearing all events on primary calendars.

Updates metadata for a calendar.

Clears a primary calendar. This operation deletes all events associated with the primary calendar of an account.

Create a Google Calendar event using `start_datetime` plus `event_duration_hour` and `event_duration_minutes` fields to derive the end time. Requires calendar write access. The organizer is added as an attendee unless `exclude_organizer` is True. Example request to create event for 1 hour 30 minutes: { "calendar_id": "primary", "start_datetime": "2025-01-16T13:00:00", "timezone": "America/New_York", "event_duration_hour": 1, "event_duration_minutes": 30, "summary": "Client sync", "attendees": [{"email": "[email protected]"}] }

Deletes a specified event by `event_id` from a Google Calendar (`calendar_id`); this action is idempotent and raises a 404 error if the event is not found.

Creates a new, empty Google Calendar with the specified title (summary).

Returns instances of the specified recurring event.

Returns events on the specified calendar.