Calendarmcp MCP server

Read from the package source without running it. The installed server may list more.

• add-attendee

  Add an attendee to an event by uid

• add-display-alarm

  Add a display alarm to an event firing N minutes before its start

• add-mail-alarm

  Add a mail alarm to an event firing N minutes before its start

• add-sound-alarm

  Add a sound alarm to an event firing N minutes before its start

• create-calendarwrite action

  Create a new calendar in macOS Calendar.app

• create-eventwrite action

  Create a new event in a named calendar

• delete-calendarwrite action

  Check whether a calendar exists, then return an error explaining that Calendar.app does NOT support deleting calendars via AppleScript (returns -10000). Calendars must be removed from the Calendar.app UI manually.

• delete-eventwrite action

  Delete an event by uid

• duplicate-event

  Duplicate an event into the same calendar or a different one

• get-calendar

  Get properties of a single calendar by name

• get-event

  Get full details of an event by its uid (searches all calendars)

• list-alarms

  List display, mail, and sound alarms on an event with their trigger interval (minutes relative to start)

• list-attendees

  List attendees on an event by uid

• list-calendars

  List all calendars in macOS Calendar.app with name, writable flag, and description (calendars are identified by name; Calendar.app exposes no usable id)

• list-events

  List events in a calendar between two ISO dates

• move-event

  Move an event to a different calendar. AppleScript cannot reparent directly, so this deletes the original and recreates it in the target calendar (the new event has a fresh uid).

• reload-calendars

  Force Calendar.app to refresh / reload all calendars from their accounts

• remove-alarmwrite action

  Remove an alarm from an event by 1-based index within its combined display+mail+sound alarm list (matching list-alarms output)

• remove-attendeewrite action

  Remove an attendee from an event by email

• search-events

  Search events by summary substring across one calendar or all calendars. Bounded by a date window (defaults: −30d to +365d) to stay under the osascript timeout.

• switch-view

  Switch Calendar.app to day, week, or month view, optionally jumping to a specific date

• today-events

  List today's events in one calendar or across all calendars

• upcoming-events

  List events in the next N days in one calendar or across all calendars

• update-calendarwrite action

  Rename a calendar or set its description

• update-eventwrite action

  Patch fields on an existing event by uid

• Code scan59 source files scanned25/25
• –Live reliabilityno gateway calls yet and no remote to proben/a
• –Tool poisoningtools not inspected (local package is not executed); not countedn/a
• Auth qualitylocal package, no credentials required12/15
• Maintenancelast push 25 days ago15/15
• Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10

Safety score

92/100

higher than 90% of 1,301 Productivity servers

Tools

25

the typical Productivity server has 7

Tools that change things

32%

typical: 0%. Fewer write tools means less an agent can break

GitHub stars

5

more than 70% of 855 Productivity servers

Downloads a week

19

more than 5% of 433 Productivity servers with a package

Calendarmcp: common questions

Is Calendarmcp MCP server safe?

Yes, by our scan: it is graded A (92/100). Read the Calendarmcp safety report

How do I install Calendarmcp?

It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.

Does Calendarmcp need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is Calendarmcp maintained?

The last commit was 65 days ago (2026-09-02). The latest release is v0.2.0.

What can I use instead of Calendarmcp?

Servers from other publishers that do the same job: Apple Calendar MCP server, Agent-Native Calendar MCP server and iCloud MCP server. Compare all Calendarmcp alternatives.

How does Calendarmcp compare with other Productivity MCP servers?

safety score 92/100 (higher than 90% of 1,301 Productivity servers); tools 25 (the typical Productivity server has 7); tools that change things 32% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.