APPLE CALENDAR MCP TOOLS

22 tools from the Apple Calendar MCP MCP Server, categorised by risk level.

// ALL 22 APPLE CALENDAR MCP TOOLS

READ 16 tools

Read cache_research_facts Stage 2 follow-up. Persists Claude Read distill_voice_from_text Take a corpus of someone Read enrich_with_character_reminders List events in a window and attach a relational character (Mom, Friend, Coach, Past-you, etc.) plus per-eve... Read extract_entities_from_input Stage 1 of YAPPING pipeline. Returns a structured extraction schema instructing Claude to parse a screensho... Read list_calendars List all calendars available in macOS Calendar.app, including whether each is writable. Read list_distillers List built-in distillers (synthetic voices distilled from public material — Garry Tan, PG, Naval, Karpathy,... Read list_events List events in Calendar.app between start_date and end_date (ISO 8601). Optionally filter by calendar. Read list_events_in_mixed_personas Wraps list_events and assigns a distinct voice from a 30+ pool to each event (no two events share a voice).... Read list_events_in_persona List events between start_date and end_date and return them alongside a persona directive that Read mortality_overlay Wraps list_events and attaches a per-event life_percent_consumed (and cumulative running total) so callers ... Read query_calendar_memory Read seeded calendar memory by person, topic, date range, calendar, similarity to a synthetic event, or all... Read query_full_context_for_event Stage 6. Returns the full context bundle (memory + people + topics + external facts + user notes) for one e... Read research_entities Stage 2. Returns cached external_facts plus a research directive for entities not yet known. Claude does we... Read search_events Search events by substring match against title, location, and notes (case-insensitive). Defaults to 30 days... Read seed_calendar_memory Snapshot past events from writable calendars into ~/.apple-calendar-mcp/memory.json so character reminders ... Read time_per_calendar Aggregate event durations per calendar within a time window. Returns timed seconds, event counts,

WRITE 4 tools

Write apply_character_reminders Mutate calendar event titles using Claude-composed Write create_event Create a new calendar event. calendar_name defaults to the first writable calendar. Write update_event Update fields of an existing event identified by event_id (its uid). Only provided fields are changed. Write update_memory_from_input Stage 3. Bulk-merges extraction results + research into memory

DESTRUCTIVE 2 tools

Destructive delete_event Delete an event by its event_id (uid). Destructive revert_character_reminders Find every event in the window whose notes contain the backup sentinel, restore the original title/notes/lo...

// FAQ

How many tools does the Apple Calendar MCP MCP server have? +

The Apple Calendar MCP MCP server exposes 22 tools across 3 categories: Read, Write, Destructive.

How do I enforce policies on Apple Calendar MCP tools? +

Route the Apple Calendar MCP server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do Apple Calendar MCP tools fall into? +

Apple Calendar MCP tools are categorised as Read (16), Write (4), Destructive (2). Each category has a recommended default policy.

Enforce policy on every Apple Calendar MCP tool call.

Start from Apple Calendar MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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