LLMCal is a PopClip extension that uses AI to convert natural language text into calendar events. Simply highlight text describing an event and click the calendar icon — it automatically extracts titles, times, locations, attendees, meeting links, and reminders.
- 🤖 AI-Powered: Uses Claude AI to understand natural language
- ⚡ One-Click Creation: Highlight text → Click calendar icon → Done
- 🌐 Meeting Links: Auto-detects Zoom, Teams, Google Meet URLs
- 📍 Smart Locations: Handles both physical and virtual meeting places
- ⏰ Intelligent Reminders: Sets alerts based on text descriptions
- 🔄 Recurring Events: Supports various repeat patterns
- 👥 Attendees: Extracts email addresses from text
- 🌍 Time Zones: Understands different time zone formats
- 📱 Calendar Integration: Works with Apple Calendar and Google Calendar (via macOS sync)
- macOS 12+ with PopClip installed (download here)
- Anthropic API key (get one here)
- Download the latest
LLMCal.popclipext.zipfrom Releases - Double-click the file to install in PopClip
- Open PopClip preferences and configure LLMCal with your API key
- Select this text: "Team meeting tomorrow at 2pm for 1 hour"
- Click the calendar icon in PopClip
- Watch the event appear in your calendar! 🎉
Simply highlight any of these text examples and click the calendar icon:
"Team meeting tomorrow at 2pm for 1 hour"
"Weekly standup every Monday at 9:30am, 30 minutes, Zoom: https://zoom.us/j/123"
"Product demo next Tuesday 3pm with client@example.com, remind me 15 minutes before"
"Monthly review last Friday of each month, 2-4pm, Conference Room A"
"1:1 with manager Thursday 10am PST (1pm EST), 30 min, Teams: https://teams.microsoft.com/l/123"
- macOS 12+ (Monterey or later)
- PopClip 2022.5+ (download)
- Anthropic API key (get one)
- Calendar.app access permissions
- Internet connection for AI processing
LLMCal works with Google Calendar through macOS integration:
- Setup: System Settings → Internet Accounts → Add Google Account → Enable Calendar
- Usage: Events created via LLMCal automatically sync to Google Calendar
- Sync: Bi-directional sync between Apple Calendar and Google Calendar
Q: Does it work with Google Calendar?
A: Yes! Connect your Google account to Apple Calendar in System Settings.
Q: Does it support recurring events?
A: Yes, it understands patterns like "every Monday" or "monthly".
Q: What meeting links are supported?
A: Zoom, Teams, Google Meet, and most other meeting URLs.
Q: Why PopClip instead of a browser extension?
A: Works system-wide in any app (Mail, Notes, Slack) without switching to browser.
Q: How is this different from native calendar parsing?
A: AI-powered extraction is more reliable for attendees, time zones, and complex patterns.
- API key stored securely in PopClip settings
- No event data stored or transmitted beyond calendar creation
- Processing done through Claude AI
- Minimal permissions: text selection and calendar access
Calendar Access Issues:
- System Settings → Privacy & Security → Full Disk Access → Enable PopClip
- Restart Calendar.app
API Key Problems:
- Verify key at console.anthropic.com
- Check for extra spaces
- Restart PopClip after updating
PopClip Not Appearing:
- Ensure PopClip is running (menu bar icon visible)
- System Settings → Accessibility → Enable PopClip
For more help, see docs/TROUBLESHOOTING.md or open an issue.
- Issues: Report bugs or request features
- Discussions: Join the community
- Contributing: See CONTRIBUTING.md
- Security: Report privately via Security Advisory
This project is licensed under the GNU Affero General Public License Version 3 (AGPLv3) with Commons Clause - see the LICENSE file for details.