Google Calendar

Google Calendar List Calendars

List all calendars visible in the user's Google Calendar UI. Returns calendars the user owns, subscribes to, or has been shared with. Includes metadata like calendar ID, summary, color, visibility, and access role. Use this to discover available calendars before listing events.

Google Calendar List Events

List events from a specified calendar. Supports filtering by time range, event types, text search, and more. Returns event details including summary, start/end times, location, attendees, and description. Use this to query calendar events, find upcoming meetings, or filter events by date range.

Google Calendar List Recurrences

List all instances (occurrences) of a recurring event. Returns individual occurrences with their specific start/end times. Useful for viewing all dates in a recurring series, finding specific occurrences, or managing individual instances. Each instance can be updated or deleted separately.

Google Calendar Move Event

Move an event from one calendar to another. Changes the event's organizer to the destination calendar. Useful for organizing events across multiple calendars (e.g., moving a personal event to a work calendar). Only 'default' event types can be moved.

Google Calendar Query Freebusy

Query free/busy availability for one or more calendars within a time range. Returns busy time blocks for each calendar, useful for finding available meeting times, scheduling conflicts, or checking availability before creating events.

Google Calendar Upsert Calendar

Create a new calendar or update an existing calendar's metadata. For create: provide summary (required). For update: provide id and any fields to change. Useful for creating secondary calendars, organizing events by category, or updating calendar settings.

Google Calendar Upsert Event

Create a new calendar event or update an existing event. For create: provide calendarid, start, and end (required). For update: provide id and calendarid, plus only the fields you want to change (partial update). You can update just the summary, description, location, or any other field without needing to include start/end. Supports recurring events, attendees, reminders, and custom metadata.

Google Calendar Upsert Recurrence

Update or cancel a single instance (occurrence) of a recurring event. Creates an exception to the recurring series - other instances remain unchanged. Useful for rescheduling one meeting, cancelling a single occurrence, or changing details for one date. Set status to 'cancelled' to cancel the instance.