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Apple Calendar MCP
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Apple Calendar MCP

Provide an MCP service for Apple Calendar through the native EventKit API, supporting the correct handling of recurring events and solving the problem that the AppleScript solution cannot expand recurring events.
Schedule managementOperating system automation#Calendar integration#Event management#macOS tool.swift
2 points
5.1K
Open Site

Overview

Installation

Content Details

Alternatives

What is the Apple Calendar MCP Server?

This is an MCP server specifically designed for Apple Calendar, allowing AI assistants (such as Claude) to directly access and manage your macOS calendar. Different from the traditional AppleScript solution, it uses Apple's native EventKit framework, which can correctly expand recurring events, ensuring that what you see are the actual schedules rather than the templates of recurring events.

How to use the Apple Calendar MCP Server?

After installation, the AI assistant can manage your calendar through 6 dedicated tools: view the calendar list, get events, search for events, create new events, and delete events. All operations are carried out through the secure JSON - RPC protocol to ensure data privacy and security.

Use cases

Suitable for users who need AI assistants to help manage schedules, such as: • Let the AI arrange meetings and reminders • Query the schedules for the next few days • Search for specific calendar events • Automatically organize and clean up the calendar • Get the daily schedule summary

Main features

Correctly handle recurring events
Using the predicateForEvents method of EventKit, it can correctly expand recurring events into single instances, solving the core problem of the traditional AppleScript solution.
6 dedicated calendar tools
Provide a complete set of calendar management functions: get the calendar list, query events, get today's events, search for events, create events, and delete events.
Native EventKit API integration
Based on the Swift and EventKit frameworks, it provides stable and reliable calendar access, supporting all functions of macOS 13+.
Secure permission management
Following the macOS TCC (Transparency, Consent, and Control) security framework, users need to explicitly authorize access to calendar data.
Flexible date range query
Supports querying events within any specified date range, automatically handling time zones and the expansion of recurring events.
Standard MCP protocol
Using the Model Context Protocol standard protocol, it seamlessly integrates with AI assistants such as Claude.
Advantages
✅ Correctly handle recurring events - This is the main difference from the AppleScript solution
✅ Native performance - Using Swift and EventKit, it is fast and stable
✅ Complete feature set - Covers all basic operations of calendar management
✅ Secure and reliable - Follows macOS security standards and requires user authorization
✅ Easy to integrate - Standard MCP protocol, seamlessly collaborates with AI assistants
Limitations
⚠️ Only available on macOS - Does not support Windows or Linux systems
⚠️ Requires macOS 13+ - Requires a relatively new operating system version
⚠️ Requires Xcode/Swift - Installation requires a development toolchain
⚠️ Permission management - Users need to manually authorize calendar access for the first time

How to use

Install the MCP server
Install with one click via npm. The system will automatically compile the Swift components and configure the MCP server.
Grant calendar access permission
Run the diagnostic command, and the system will prompt you to grant calendar access permission. Select 'Full Access' to ensure all functions work properly.
Verify the installation
Check if calendar access is normal and view the list of available calendars.
Start using
Now you can directly use the calendar functions in Claude, for example: 'View my schedule today' or 'Create a meeting next Wednesday'.

Usage examples

Daily schedule planning
Let the AI assistant help you plan your day's work, view meeting arrangements, and schedule new tasks during free time.
Meeting arrangement
Quickly create new meeting invitations, including recurring weekly team meetings.
Event search
Find specific calendar events, such as doctor's appointments or important meetings.
Calendar cleaning
Delete outdated or unnecessary calendar events.

Frequently Asked Questions

Why is this MCP server needed? Can't AppleScript do it?
Why can't I see my calendar events after installation?
Which macOS versions are supported?
Is my calendar data secure?
Can I manage iCloud calendars?
How are recurring events handled when deleting events?

Related resources

GitHub repository
Project source code and latest version
Model Context Protocol documentation
Official specification of the MCP protocol
Apple EventKit documentation
Apple's official EventKit framework documentation
Claude MCP guide
How to use the MCP server in Claude

Installation

Copy the following command to your Client for configuration
{
  "mcpServers": {
    "apple-calendar": {
      "command": "node",
      "args": ["/path/to/apple-calendar-mcp/build/index.js"],
      "env": {
        "APPLE_BRIDGE_BIN": "/path/to/apple-calendar-mcp/swift/.build/release/apple-bridge"
      }
    }
  }
}
Note: Your key is sensitive information, do not share it with anyone.

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