What this helps you do
When you are planning your day, adding meetings from chat, or cleaning up old events, Alter can handle those actions directly in Apple Calendar. You can think of it as an assistant that keeps your schedule consistent while you stay focused on work.Works with
- App: Apple Calendar
- Tool type: Local tool
- Permissions: Calendars
What Alter can do today
Alter can list calendars and events, create new events, update existing ones, and remove events. In practice, the best flow is to first ask for a quick schedule view, then ask for changes in follow-up prompts.What Alter cannot do yet
Alter may ask a follow-up question when multiple events have similar titles. To avoid ambiguity, include clear date and time details in your prompt.A realistic workflow
Copy/paste prompts
- “Show my events for tomorrow.”
- “Create a 45-minute event called ‘Design review’ tomorrow at 14:00 in my Work calendar.”
- “Move my ‘Design review’ event to 15:00 and keep the same duration.”
- “List my events from 2026-03-06 to 2026-03-10.”
- “Remove the ‘Design review’ event tomorrow.”
How to enable
Enable Calendar in Tools Manager
Open Alter -> click the three dots -> Tools Manager -> Local Tools -> enable Calendar.
Allow Calendar permission
On first use, macOS asks for permission. Allow access to Calendars for Alter.
What to expect
- If multiple events share similar titles, Alter may ask you to confirm which one to edit or remove.
- You get best results when your prompt includes date, time, and calendar name.