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Server Configuration

Describes the environment variables required to run the server.

NameRequiredDescriptionDefault

No arguments

Capabilities

Features and capabilities supported by this server

CapabilityDetails
tools
{
  "listChanged": false
}
prompts
{
  "listChanged": false
}
resources
{
  "subscribe": false,
  "listChanged": false
}
experimental
{}

Tools

Functions exposed to the LLM to take actions

NameDescription
list_calendarsA

List all Fantastical calendars.

Fast and lightweight — no shortcuts required, uses JXA directly. Returns plain text: one calendar per line as "name (id)".

list_eventsA

List calendar events in a date range (YYYY-MM-DD).

Accepts 'today', 'tomorrow', 'yesterday', or YYYY-MM-DD. Defaults to today only. Start with 2-week chunks. If results are sparse, increase to months or more.

Returns compact tab-separated output: id, title, startDate, endDate, attendeeCount. All events are cached — use get_event_details for full data (calendar, URL, etc.). Can be called in parallel for different date ranges.

create_eventA

Create event using natural language (e.g. 'Meeting tomorrow at 3pm').

search_eventsA

Search events by title.

Default search window is ±30 days. Override with from_date/to_date (YYYY-MM-DD). Start with 2-week chunks. If results are sparse, increase to months or more. Same compact tab-separated output as list_events with caching. Can be called in parallel for different queries.

get_event_detailsA

Get full details of a cached event by ID.

Returns all fields: title, startDate, endDate, calendar, fantasticalURL, calendarName. Events are cached from previous list_events/search_events calls. Attendees are fetched lazily on first request and cached for the session.

clear_cacheA

Clear the in-memory event and attendee caches.

Use when starting a fresh analysis session.

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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