Google Calendar
Unverified verified 13 jun 2026TL;DR
Google Calendar is a ubiquitous cloud-based scheduling tool that helps individuals and teams manage time through event tracking, reminders, and shared agendas. It is designed for everyone from personal users to global enterprises, offering a seamless experience within the Google Workspace ecosystem. Its key differentiator is its unmatched cross-platform accessibility and deep integration with Gmail and Google Meet.
What Users Actually Pay
No user-reported pricing yet.
Our Take
Google Calendar remains the dominant force in the digital scheduling market, serving as the default organizational hub for hundreds of millions of users. Its position is solidified by its 'invisible' utility; it works so seamlessly with other Google services that users often don't realize they are interacting with a standalone product. The platform's strengths lie in its reliability, intuitive design across mobile and web, and its collaborative features that simplify scheduling across complex organizations. While its simplicity is its greatest asset, it can also be a limitation for power users. Compared to specialized tools like Calendly for appointment booking or Notion for project-integrated scheduling, Google Calendar's native features can feel basic. Recent updates have introduced 'Appointment Schedules' to address this, but certain advanced customizations remain behind the Google Workspace paywall or require third-party add-ons. For most users, the product is near-perfect for daily time management. However, as AI agents become more prevalent, the platform is shifting toward becoming an automated 'time coordinator' rather than just a digital planner. This is evidenced by its robust API and the integration of Gemini to proactively manage schedules. Ultimately, Google Calendar is best suited for anyone already operating within the Google ecosystem. It is the gold standard for shared team visibility and remains the most supported calendar platform for third-party integrations, making it an essential tool for modern digital workflows.
Similar Products
Pros
- + Seamless real-time synchronization across all devices and platforms.
- + Deep integration with Google Workspace, allowing one-click meeting creation from Gmail.
- + Powerful shared calendar features that simplify team coordination and visibility.
- + Smart 'Appointment Schedules' feature that rivals dedicated booking tools like Calendly.
- + Highly reliable notification system with customizable alerts via email or push.
Cons
- - Limited formatting options in the mobile app (e.g., lack of bullet points in descriptions).
- - UI can become cluttered and overwhelming in high-density corporate environments with multiple shared calendars.
- - Advanced features like appointment scheduling are limited or restricted in the free personal tier.
- - Dependency on internet connectivity for real-time updates and certain search functionalities.
Sentiment Analysis
Sentiment has remained stable since last capture. Sentiment remains overwhelmingly positive, showing a slight increase from the previous score of 0.88. Users consistently praise its reliability and ecosystem integration, while minor complaints center on mobile app limitations and UI density.
Sentiment Over Time
By Source
42000 mentions
Sample quotes (1)
- "The ability to share calendars and view others' availability is especially useful for coordinating with teams. It excels at straightforward, efficient scheduling."
3000 mentions
Sample quotes (1)
- "What I like most is how simple and easy it is to organise my daily schedule, with automatic syncing across devices. Reminders keep me on track."
1500 mentions
Sample quotes (1)
- "Google Calendar is the backbone of my productivity, but I wish the mobile app supported better note formatting like the web version."
Agent Readiness
79/100Google Calendar is highly ready for autonomous AI agents. It features a mature REST API (v3) with standardized OAuth 2.0 authentication and generous free-tier quotas. It supports push notifications (webhooks) for real-time event monitoring, which is critical for reactive agents. Furthermore, its inclusion in all major automation platforms (Zapier, Make, n8n) and its 'Google Workspace standardized model for agent tools' update in 2026 make it one of the easiest tools to integrate into an AI-driven workflow.
Last checked May 9, 2026
MCP Integrations
3 servers58 tools8,039 total usesSchedule events, check availability, and manage calendars. Create meetings, set reminders, and coordinate across time zones.
29 tools
GOOGLECALENDAR_ACL_PATCHUpdates 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.GOOGLECALENDAR_CALENDAR_LIST_INSERTInserts an existing calendar into the user's calendar list.GOOGLECALENDAR_CALENDAR_LIST_UPDATEUpdates an existing entry on the user\'s calendar list.GOOGLECALENDAR_CALENDARS_DELETEDeletes a secondary calendar. Use calendars.clear for clearing all events on primary calendars.GOOGLECALENDAR_CALENDARS_UPDATEUpdates metadata for a calendar.GOOGLECALENDAR_CLEAR_CALENDARClears a primary calendar. This operation deletes all events associated with the primary calendar of an account.GOOGLECALENDAR_CREATE_EVENTCreate 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]"}] }GOOGLECALENDAR_DELETE_EVENTDeletes 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.GOOGLECALENDAR_DUPLICATE_CALENDARCreates a new, empty Google Calendar with the specified title (summary).GOOGLECALENDAR_EVENTS_INSTANCESReturns instances of the specified recurring event.GOOGLECALENDAR_EVENTS_LISTReturns events on the specified calendar.GOOGLECALENDAR_EVENTS_MOVEMoves an event to another calendar, i.e., changes an event's organizer.GOOGLECALENDAR_EVENTS_WATCHWatch for changes to Events resources.GOOGLECALENDAR_FIND_EVENTFinds events in a specified Google Calendar using text query, time ranges (event start/end, last modification), and event types; ensure `timeMin` is not chronologically after `timeMax` if both are provided.GOOGLECALENDAR_FIND_FREE_SLOTSFinds both free and busy time slots in Google Calendars for specified calendars within a defined time range (defaults to the current day UTC if `time_min`/`time_max` are omitted). Returns busy intervals enriched with event details and calculates free slots by finding gaps between busy periods; `time_min` must precede `time_max` if both are provided. This action retrieves free and busy time slots for the specified calendars over a given time period. It analyzes the busy intervals from the calendars and provides calculated free slots based on the gaps in the busy periods.GOOGLECALENDAR_FREE_BUSY_QUERYReturns free/busy information for a set of calendars.GOOGLECALENDAR_GET_CALENDARRetrieves a specific Google Calendar, identified by `calendar_id`, to which the authenticated user has access.GOOGLECALENDAR_GET_CURRENT_DATE_TIMEGets the current date and time, allowing for a specific timezone offset.GOOGLECALENDAR_LIST_ACL_RULESRetrieves the list of access control rules (ACLs) for a specified calendar, providing the necessary 'rule_id' values required for updating specific ACL rules.GOOGLECALENDAR_LIST_CALENDARSRetrieves a paginated list of calendars from the user's calendar list, with optional filtering and sync capabilities.GOOGLECALENDAR_PATCH_CALENDARPartially updates (PATCHes) an existing Google Calendar, modifying only the fields provided; `summary` is mandatory and cannot be an empty string, and an empty string for `description` or `location` clears them.GOOGLECALENDAR_PATCH_EVENTUpdate specified fields of an existing event in a Google Calendar using patch semantics (array fields like `attendees` are fully replaced if provided); ensure the `calendar_id` and `event_id` are valid and the user has write access to the calendar.GOOGLECALENDAR_QUICK_ADDParses natural language text to quickly create a basic Google Calendar event with its title, date, and time, suitable for simple scheduling; does not support direct attendee addition or recurring events, and `calendar_id` must be valid if not 'primary'.GOOGLECALENDAR_REMOVE_ATTENDEERemoves an attendee from a specified event in a Google Calendar; the calendar and event must exist.GOOGLECALENDAR_SETTINGS_LISTReturns all user settings for the authenticated user.GOOGLECALENDAR_SETTINGS_WATCHWatch for changes to Settings resources.GOOGLECALENDAR_SYNC_EVENTSSynchronizes Google Calendar events, performing a full sync if no `sync_token` is provided or if a 410 GONE error (due to an expired token) necessitates it, otherwise performs an incremental sync for events changed since the `sync_token` was issued.GOOGLECALENDAR_UPDATE_ACL_RULEUpdates an access control rule for the specified calendar.GOOGLECALENDAR_UPDATE_EVENTUpdates an existing event by `event_id` in a Google Calendar; this is a full PUT replacement, so provide all desired fields as unspecified ones may be cleared or reset.
Search academic papers, citations, and case law from Google Scholar. No API key required. Data via SerpAPI; Smithery is not affiliated with Google.
1 tool
search_papersSearch Google Scholar for academic papers, books, theses, and citations. Returns organic results with title, authors, snippet, citation count, and PDF links.
MCP server for Google Calendar : create events, manage calendars, check availability, and share calendars through 28 tools via the Model Context Protocol. ## Features - Create, update, and delete calendar events (timed and all-day) - Quick add events from natural language - Manage recurring events with RRULE support - Share calendars with ACL (access control) management - Check availability with free/busy queries - Manage multiple calendars and subscriptions - Full OAuth 2.0 authentication with refresh tokens ## 28 Tools **Events (10)**: List, get, create, update (PUT), patch (PATCH), delete, quick add, move, list instances, import **CalendarList (5)**: List subscribed calendars, get entry, add (subscribe), update display settings, remove (unsubscribe) **Calendars (5)**: Get metadata, create, update, delete, clear all events **ACL (5)**: List rules, get rule, create (share), update permission, delete (revoke) **Utility (3)**: Query free/busy, get color palette, list settings #
28 tools
gcal_list_eventsList events on a calendar. Supports time range filtering, search query, and pagination. Use singleEvents=true to expand recurring events into individual instances.gcal_get_eventGet a specific event by ID. Returns full event details including attendees, reminders, recurrence, and conference data.gcal_create_eventCreate a new calendar event. Supports timed events (dateTime) and all-day events (date). Can add attendees, recurrence rules, reminders, and set visibility.gcal_update_eventFull update of an event (PUT). All fields are replaced — unset fields will be cleared. Use gcal_patch_event for partial updates.gcal_patch_eventPartial update of an event (PATCH). Only specified fields are changed — other fields remain unchanged. Preferred over update for changing individual fields.gcal_delete_eventDelete an event from the calendar. This action is irreversible.gcal_quick_addCreate an event from natural language text. Google Calendar parses the text to set summary, date, time, and location automatically.gcal_move_eventMove an event from one calendar to another. The event is removed from the source calendar and added to the destination.gcal_list_instancesList individual instances of a recurring event. Returns expanded occurrences within a time range.gcal_import_eventImport an event with a unique iCalUID. Used for importing events from external calendars or iCal files. Does not send notifications.gcal_list_calendarsList all calendars the user has subscribed to. Includes the primary calendar, other owned calendars, and calendars shared with the user.gcal_get_calendar_entryGet a specific calendar list entry with display settings, color, notifications, and access role.gcal_add_calendarSubscribe to an existing calendar by its ID. Adds the calendar to the user's calendar list.gcal_update_calendar_entryUpdate display settings for a calendar in the user's list. Changes color, display name, visibility, and default reminders.gcal_remove_calendarUnsubscribe from a calendar, removing it from the user's calendar list. Does not delete the calendar itself.gcal_get_calendarGet calendar metadata including summary, description, location, and time zone.gcal_create_calendarCreate a new secondary calendar. The authenticated user becomes the owner.gcal_update_calendarUpdate calendar metadata (summary, description, location, time zone). Only works on secondary calendars the user owns.gcal_delete_calendarDelete a secondary calendar. Only works on calendars the user owns. The primary calendar cannot be deleted.gcal_clear_calendarDelete all events from a primary calendar. Only works on the primary calendar. Secondary calendars should use gcal_delete_calendar instead.gcal_list_aclList access control rules for a calendar. Shows who has access and their permission level.gcal_get_aclGet a specific access control rule by rule ID.gcal_create_aclShare a calendar with a user, group, or domain by creating an access control rule.gcal_update_aclUpdate the permission level of an existing access control rule.gcal_delete_aclRemove an access control rule, revoking the grantee's access to the calendar.gcal_query_freebusyCheck availability (free/busy) for one or more calendars within a time range. Useful for finding meeting times.gcal_get_colorsGet the color palette for calendars and events. Returns color IDs that can be used with gcal_create_event and gcal_update_calendar_entry.gcal_list_settingsList all user settings for Google Calendar (locale, timezone, date format, week start, etc.).
Last checked May 26, 2026
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