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    Tools reference

    Calendar

    Every Calendar tool, with the scope it needs, its arguments and the API operation it calls.

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    9 tools

    Delete calendar connections

    Destructive

    atlas_calendar_connections_delete

    Disconnect one calendar connection owned by the caller by id, stopping any provider watches/subscriptions. Idempotent per MCP call.

    Scope
    calendar:write
    Calls
    DELETE /v1/calendar/connections/{id}
    Example prompt
    Disconnect my personal Google calendar from Atlas.

    Arguments

    FieldTypeRequiredDescription
    idstringYesCalendar connection id to disconnect.

    List calendar connections

    Read only

    atlas_calendar_connections_list

    List the caller-owned calendar connections, including provider, account email, display name, and token-expiry metadata.

    Scope
    calendar:read
    Calls
    GET /v1/calendar/connections
    Example prompt
    Show me my connected calendars in Atlas.

    Arguments

    This tool takes no arguments.

    List calendar events

    Read only

    atlas_calendar_events_list

    List the caller external calendar events overlapping an ISO datetime window (start inclusive, end exclusive) across every connected calendar, with attendees, RSVP, and reminder metadata.

    Scope
    calendar:read
    Calls
    GET /v1/calendar/events
    Example prompt
    What meetings do I have on my calendars next week?

    Arguments

    FieldTypeRequiredDescription
    startstring (date-time)YesInclusive window start as an ISO 8601 datetime, e.g. "2026-06-01T00:00:00Z".
    endstring (date-time)YesExclusive window end as an ISO 8601 datetime; must be after start.

    List calendar external tasks

    Read only

    atlas_calendar_external_tasks_list

    List the caller external tasks (Google Tasks) aggregated across every connected Google calendar, sorted open-first then by due date.

    Scope
    calendar:read
    Calls
    GET /v1/calendar/external-tasks
    Example prompt
    Show my Google Tasks alongside my Atlas work.

    Arguments

    This tool takes no arguments.

    List calendar holidays

    Read only

    atlas_calendar_holidays_list

    List public holidays for a given year and optional ISO country code, falling back to the tenant calendar country setting when omitted.

    Scope
    calendar:read
    Calls
    GET /v1/calendar/holidays
    Example prompt
    List the public holidays in the US for 2026.

    Arguments

    FieldTypeRequiredDescription
    yearintegerYesCalendar year to fetch public holidays for.
    countryCodestringNoISO 3166-1 alpha-2 country code; defaults to the tenant calendar setting.

    List calendar providers

    Read only

    atlas_calendar_providers_list

    Report which external calendar providers (Google, Microsoft) are configured and connectable in this environment.

    Scope
    calendar:read
    Calls
    GET /v1/calendar/providers
    Example prompt
    Which calendar providers can I connect to Atlas?

    Arguments

    This tool takes no arguments.

    Get calendar settings

    Read only

    atlas_calendar_settings_get

    Read the tenant-wide calendar preferences: the holiday-catalog country code and the set of weekday indices treated as the weekend.

    Scope
    calendar:read
    Calls
    GET /v1/calendar/settings
    Example prompt
    What country and weekend days is our Atlas calendar configured for?

    Arguments

    This tool takes no arguments.

    Update calendar settings

    Changes data

    atlas_calendar_settings_update

    Update the tenant-wide calendar preferences - the holiday country code and optional weekend-day indices. Idempotent per MCP call.

    Scope
    calendar:write
    Calls
    PUT /v1/calendar/settings
    Example prompt
    Switch our Atlas calendar to the UK holiday catalog.

    Arguments

    FieldTypeRequiredDescription
    countryCodestringYesISO 3166-1 alpha-2 country code driving the holiday catalog, e.g. "US".
    weekendDaysarray of integerNoDay-of-week indices (0=Sunday .. 6=Saturday) treated as the weekend.

    Sync calendar tasks

    Changes data

    atlas_calendar_tasks_sync

    Push an Atlas task as an event to every connected calendar for the caller, returning per-provider success/failure. Idempotent per MCP call.

    Scope
    calendar:write
    Calls
    POST /v1/calendar/sync-task/{taskId}
    Example prompt
    Add task tsk_a1b2c3 to my Google Calendar.

    Arguments

    FieldTypeRequiredDescription
    taskIdstringYesAtlas task id to push to every connected calendar.