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jaydenk

Fantastical MCP

by jaydenk

Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault
FANTASTICAL_EXCLUDED_CALENDARSNoComma-separated list of calendar names to exclude from results.

Capabilities

Features and capabilities supported by this server

CapabilityDetails
tools
{
  "listChanged": true
}
prompts
{
  "listChanged": false
}
resources
{
  "subscribe": false,
  "listChanged": false
}
extensions
{
  "io.modelcontextprotocol/ui": {}
}
experimental
{}

Tools

Functions exposed to the LLM to take actions

NameDescription
get_todayA

Get all calendar events for today, grouped by calendar.

get_upcomingB

Get calendar events for the next N days, grouped by date.

Args: days: Number of days to look ahead (default 7).

get_calendarsA

List all calendars with their event counts.

get_eventA

Get full details for a specific event by its ID.

Args: event_id: The event ID (shown in parentheses in event listings).

search_eventsB

Search events by title, location, notes, or attendees.

Args: query: Search term (supports FTS5 syntax: AND, OR, NOT, quotes for phrases). limit: Maximum number of results (default 20).

get_events_by_calendarA

Get events from a specific calendar.

Args: calendar: Calendar name (e.g. "Work", "Personal"). Use get_calendars to see available names. days: Number of days to look ahead (default 30).

get_events_in_rangeA

Get events in an arbitrary date window (past or future), grouped by date.

Specify the window in exactly ONE of two ways (not both):

  • Absolute: pass both start and end as "YYYY-MM-DD". end is inclusive of the whole day (e.g. start="2026-05-28", end="2026-06-10" covers all of the 10th).

  • Relative: pass days_back (a positive integer) for events from that many days ago through the end of today.

Args: calendar: Optional calendar name to scope to (use get_calendars for names). Omit to query all calendars — note that an event mirrored across several calendars then appears once per calendar; scope to a single calendar to get a clean, duplicate-free list. start: Absolute-mode start date, "YYYY-MM-DD". end: Absolute-mode end date, "YYYY-MM-DD" (inclusive). days_back: Relative-mode window size in days.

get_availabilityA

Show free/busy time slots for a specific date.

Args: date: Date in YYYY-MM-DD format. calendars: Optional list of calendar names to check. If omitted, checks all calendars.

get_recurringA

List upcoming recurring events, optionally filtered by calendar.

Useful for understanding the regular schedule (standups, focus blocks, etc.).

Args: calendar: Optional calendar name to filter by. Use get_calendars to see available names. limit: Maximum number of results (default 50).

get_invitationsB

List pending event invitations that need a response.

Args: limit: Maximum number of results (default 20).

get_recentA

Show the most recently added or synced calendar events.

Useful for seeing what's new on the calendar without knowing specific dates.

Args: limit: Maximum number of results (default 10).

create_eventA

Create a new event in Fantastical using natural language.

Fantastical's parser handles dates, times, locations, and recurrence naturally. Examples: "Lunch with Sara tomorrow at noon at The Crafers Hotel", "Weekly team standup every Monday at 9am".

Args: sentence: Natural language event description. calendar: Optional calendar name to create the event in. add_immediately: If True, add without showing confirmation UI (default False).

get_today_jsonA

Machine-readable variant of get_today.

Returns today's events as a structured dict so programmatic clients (dashboards, automations) don't have to parse the pretty-printed text output. Event times are ISO-8601 strings in the event's original timezone.

Response shape::

{
  "now": ISO-8601 string (current local time),
  "timezone": IANA name (e.g. "Australia/Adelaide"),
  "events": [{id, title, calendar, start, end, all_day,
              location, recurring, attendees_count}, ...]
}
get_upcoming_jsonA

Machine-readable variant of get_upcoming.

Args: days: Number of days to look ahead (default 7).

Response shape mirrors get_today_json but covers the next days days.

get_event_jsonA

Machine-readable variant of get_event. Returns None-valued fields when a value is absent rather than omitting them, so clients can treat the shape as stable.

Args: event_id: The event rowid (as returned by get_today_json etc.).

show_dateA

Open Fantastical's mini calendar to a specific date.

Args: date: Date in YYYY-MM-DD format.

Prompts

Interactive templates invoked by user choice

NameDescription

No prompts

Resources

Contextual data attached and managed by the client

NameDescription

No resources

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