Che Ical MCP by Psychquant is an MCP server tool built with Swift, designed to integrate AI clients with macOS Calendar and Reminders. It connects directly to native macOS EventKit, supporting iCloud, Google Calendar, and Exchange accounts configured on the system. This tool enables natural language management of personal schedules and tasks for users of AI assistants. It offers a powerful interface for event and reminder operations, aiming to enhance productivity through automation and intelligent task handling.

What does Che Ical MCP connect to?

Che Ical MCP is an MCP server tool that establishes connections with macOS Calendar and Reminders. It utilizes the native Swift EventKit framework to interact with these applications. The tool integrates with existing iCloud, Google Calendar, and Exchange accounts already configured on the macOS system. This allows users to manage their disparate calendar and reminder services through a unified interface, controlled by AI clients. Its foundation in macOS native capabilities ensures direct interaction with system-level scheduling and task management.

Core features and tools

Che Ical MCP exposes 29 tools for managing events, reminders, tags, batch operations, conflict detection, and undo/redo capabilities. Users can access specific callable tools such as cleanup_completed_reminders to automate task management. Additionally, a troubleshooting skill, troubleshoot-tcc, is available, callable as "/che-ical-mcp:check-tcc", to assist with permissions. The tool functions as an MCP server and also supports a "--cli" mode for direct interaction. It provides a rich set of functionalities for detailed calendar and reminder control.

Who is it for?

Che Ical MCP is designed for users of AI assistants like Claude Desktop and Claude Code, particularly those in academic research, who seek to manage macOS calendar and reminders using natural language. It supports complex workflows involving creating, reading, updating, and deleting events and reminders, batch operations, conflict detection, and undo/redo actions. The tool targets individuals who want to automate and simplify their schedule and task management through AI interaction. Skip this if you do not use AI clients such as Claude Desktop or Claude Code for task management.

How to get started

Access is granted through macOS's Transparency, Consent, and Control (TCC) permissions for Calendar and Reminders.

Use cases

• Creating, reading, updating, and deleting events and reminders (CRUD) through natural language.
• Scheduling recurring events, such as a "weekly team sync."
• Querying calendar information, like "What's on my calendar for next week?"
• Modifying existing events, for example, "Move tomorrow's team meeting to 3 PM instead."
• Performing batch operations and detecting conflicts or duplicates across schedules.

Che Ical MCP provides AI clients with strong control over macOS Calendar and Reminders, integrating with multiple account types. Its extensive toolset supports detailed scheduling, task management, and conflict resolution, catering to users seeking natural language automation. The server's dependency on macOS TCC for permissions ensures secure access to personal data. This tool is a valuable addition for AI assistant users managing complex academic or personal schedules.