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apple-calendar
Read, create, update, and delete Apple Calendar events on the local macOS machine. Use this skill when the user wants to inspect calendars, list events in a bounded time window, or modify Apple Calendar items directly from OpenClaw on a Mac.
// RATINGS
// README
Apple Calendar OpenClaw Skill
An OpenClaw skill for reading, creating, updating, and deleting Apple Calendar events directly on macOS.
This repo includes:
- A skill definition in
SKILL.md - OpenClaw UI metadata in
agents/openai.yaml - A native Swift CLI built on
EventKit - Shell scripts for local invocation and installation
Requirements
- macOS
- Xcode Command Line Tools or Xcode with
swiftc - Calendar access granted to the app or terminal host running the commands
Commands
./scripts/apple-calendar list-calendars
./scripts/apple-calendar list-events --start 2026-03-22T00:00:00-04:00 --end 2026-03-23T00:00:00-04:00
./scripts/apple-calendar create-event --calendar Work --title "Planning" --start 2026-03-22T15:00:00-04:00 --end 2026-03-22T15:30:00-04:00
./scripts/apple-calendar update-event --id EVENT_ID --title "Updated title"
./scripts/apple-calendar add-attendees --id EVENT_ID --emails "[email protected],[email protected]"
./scripts/apple-calendar delete-event --id EVENT_ID
The script compiles the Swift CLI on demand into .build/local/, which is ignored by git.
Adding attendees uses Calendar.app automation because Apple EventKit does not expose writable attendee APIs. macOS may ask the invoking host app for Automation permission to control Calendar, and attendee changes only work on calendars that support invitations.
Install Into OpenClaw
Symlink this repo into your OpenClaw skills directory:
./scripts/install-skill-link /path/to/openclaw/skills
License
MIT. See LICENSE.
// HOW IT'S BUILT
KEY FILES