Apple Calendar CLI (accli)

Installation

npm install -g @joargp/accli

Requirements: macOS only (uses JavaScript for Automation)

Overview

The accli tool provides command-line access to macOS Apple Calendar. It enables listing calendars, querying events, creating/updating/deleting events, and checking availability across calendars.

Quick Reference

DateTime Formats

• Timed events: YYYY-MM-DDTHH:mm or YYYY-MM-DDTHH:mm:ss
• All-day events: YYYY-MM-DD