macOS Calendar & Reminders

macOS Calendar & Reminders (che-ical-mcp) is a Swift-based Model Context Protocol (MCP) server that grants AI agents—specifically Claude—full native control over macOS Calendar and Reminders. It provides 29 distinct tools supporting calendar event management, reminders and task automation, tags, batch operations, conflict and duplicate detection, and undo/redo. This advanced integration is ideal for productivity-focused users, developers, or AI systems that require deep, automated access and management of macOS productivity tools for scheduling, reminders, and organizational workflows.