PsychQuant/che-ical-mcp — MacOS Calendar & Reminders MCP server with 29 tools — Native Swift EventKit integration for Claude.

Description and use

PsychQuant/che-ical-mcp is a macOS‑only MCP server that bridges native Swift EventKit functionality with Claude‑based AI, offering a full suite of 29 command‑line tools for managing Calendar and Reminders data. It supports per‑event time zones, attendees/organizer handling, undo‑redo, automated TCC setup, self‑updates, and a signed/notarized binary compatible with macOS 26, with sync capabilities for iCloud, Google, and Exchange accounts. The project is positioned at the intersection of trading, AI/ML, and backend services.

Problem

PsychQuant/che-ical-mcp helps research and automate market workflows.

Outcome

Medium: useful for prototypes or internal workflows, with dependency and maintenance checks before production.

Workflow

• research trading systems
• backtest strategies
• monitor market workflows

Evidence

macOS Calendar & Reminders MCP server with 29 tools — Native Swift EventKit integration for Claude. Attendees/organizer, per-event timezone, undo/redo, --cli mode, --setup TCC, --self-update, signed + notarized binary for macOS 26. Supports iCloud, Google, Exchange.

Source