fantastical
Server Configuration
Describes the environment variables required to run the server.
| Name | Required | Description | Default |
|---|---|---|---|
No arguments | |||
Capabilities
Features and capabilities supported by this server
| Capability | Details |
|---|---|
| tools | {
"listChanged": false
} |
| prompts | {
"listChanged": false
} |
| resources | {
"subscribe": false,
"listChanged": false
} |
| experimental | {} |
Tools
Functions exposed to the LLM to take actions
| Name | Description |
|---|---|
| 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
| Name | Description |
|---|---|
No prompts | |
Resources
Contextual data attached and managed by the client
| Name | Description |
|---|---|
No resources | |
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