Apple Events MCP Server

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A Model Context Protocol (MCP) server that provides native integration with Apple Reminders and Calendar on macOS. This server allows you to interact with Apple Reminders and Calendar Events through a standardized interface with comprehensive management capabilities.

[!NOTE] Looking ahead: event — a pure Swift CLI for Apple Reminders and Calendar on macOS.

For scripting, automation, and direct terminal usage, we now recommend the standalone event CLI. It exposes the same EventKit-backed reminder/calendar/list/subtask/tag operations this server uses today, with first-class Markdown and JSON output. Future versions of mcp-server-apple-events are planned to depend on the event CLI in place of the bundled EventKitCLI binary, so both projects can share a single, well-tested Swift implementation.

Features

Core Functionality

• List Management: View all reminders and reminder lists with advanced filtering options
• Reminder Operations: Full CRUD operations (Create, Read, Update, Delete) for reminders across lists
• Rich Content Support: Complete support for titles, notes, due dates, URLs, and completion status
• Native macOS Integration: Direct integration with Apple Reminders using EventKit framework

Enhanced Reminder Features (v1.3.0)

• Priority Support: Set reminder priority (high/medium/low/none) with visual indicators
• Recurring Reminders: Create repeating reminders with flexible recurrence rules (daily, weekly, monthly, yearly)
• Location-Based Triggers: Set geofence reminders that trigger when arriving at or leaving a location
• Tags/Labels: Organize reminders with custom tags for cross-list categorization and filtering
• Subtasks/Checklists: Add checklist items to reminders with progress tracking

Advanced Features

• Smart Organization: Automatic categorization and intelligent filtering by priority, due date, category, or completion status
• Powerful Search: Multi-criteria filtering including completion status, due date ranges, tags, and full-text search
• Batch Operations: Efficient handling of multiple reminders with optimized data access patterns
• Permission Management: Automatic validation and request for required macOS system permissions
• Flexible Date Handling: Support for multiple date formats (YYYY-MM-DD, ISO 8601) with timezone awareness
• Unicode Support: Full international character support with comprehensive input validation

Technical Excellence

• Clean Architecture: 4-layer architecture following Clean Architecture principles with dependency injection
• Type Safety: Complete TypeScript coverage with Zod schema validation for runtime type checking
• High Performance: Swift-compiled binaries for performance-critical Apple Reminders operations
• Robust Error Handling: Consistent error responses with detailed diagnostic information
• Repository Pattern: Data access abstraction with standardized CRUD operations
• Functional Programming: Pure functions with immutable data structures where appropriate

Prerequisites

• Node.js 18 or later
• macOS (required for Apple Reminders integration)
• Xcode Command Line Tools (required for compiling Swift code)
• pnpm (recommended for package management)

macOS Permission Requirements (Sonoma 14+ / Sequoia 15)

Apple now separates Reminders and Calendar permissions into write-only and full-access scopes. The Swift bridge declares the following privacy keys so Claude can both read and write data when you approve access:

• NSRemindersUsageDescription
• `NSRemindersFul

... View full README on GitHub