by shadowfax92
TypeScript server for macOS Calendar: read, create, update, delete events via a local HTTP bridge for seamless Apple Cal
Connects AI models to Apple Calendar on macOS, allowing them to read, create, update, and delete calendar events through a local bridge service.
Apple Calendars is a community-built MCP server published by shadowfax92 that provides AI assistants with tools and capabilities via the Model Context Protocol. TypeScript server for macOS Calendar: read, create, update, delete events via a local HTTP bridge for seamless Apple Cal It is categorized under productivity, developer tools.
You can install Apple Calendars in your AI client of choice. Use the install panel on this page to get one-click setup for Cursor, Claude Desktop, VS Code, and other MCP-compatible clients. This server runs locally on your machine via the stdio transport.
MIT
Apple Calendars is released under the MIT license. This is a permissive open-source license, meaning you can freely use, modify, and distribute the software.
Add new capabilities to Claude beyond text generation
Example
Access external data sources, execute code, interact with tools and services
Transform Claude from chatbot to action-taking agent
Provide Claude with access to relevant context and data
Example
Load project documentation, access knowledge bases, query databases
Get more accurate, context-aware responses
Automate multi-step workflows combining AI and external tools
Example
Research → Summarize → Create document → Send notification
Complete complex tasks end-to-end without manual steps
Share your MCP server with the developer community
According to our notes, Apple Calendars benefits from clear Model Context Protocol framing — fewer ambiguous “AI plugin” claims.
According to our notes, Apple Calendars benefits from clear Model Context Protocol framing — fewer ambiguous “AI plugin” claims.
We wired Apple Calendars into a staging workspace; the listing’s GitHub and npm pointers saved time versus hunting across READMEs.
We wired Apple Calendars into a staging workspace; the listing’s GitHub and npm pointers saved time versus hunting across READMEs.
Apple Calendars is a well-scoped MCP server in the explainx.ai directory — install snippets and categories matched our Claude Code setup.
Apple Calendars is a well-scoped MCP server in the explainx.ai directory — install snippets and categories matched our Claude Code setup.
According to our notes, Apple Calendars benefits from clear Model Context Protocol framing — fewer ambiguous “AI plugin” claims.
Apple Calendars is among the better-indexed MCP projects we tried; the explainx.ai summary tracks the official description.
I recommend Apple Calendars for teams standardizing on MCP; the explainx.ai page compares cleanly with sibling servers.
Apple Calendars is among the better-indexed MCP projects we tried; the explainx.ai summary tracks the official description.
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A Model Context Protocol (MCP) server for interacting with Apple Calendars on macOS. This module allows AI models to access and manipulate calendar data through a standardized interface.
npm install
npm run build
npm start
The MCP server provides the following tools for AI models:
getCalendars: List all available calendarsgetCalendarEvents: Get events from a specific calendarcreateCalendarEvent: Create a new event in a calendarupdateCalendarEvent: Update an existing eventdeleteCalendarEvent: Delete an event from a calendarWhen creating or updating events, you can use any of the following date formats:
ISO8601 with milliseconds and Z timezone (recommended):
2025-03-09T10:00:00.000Z
ISO8601 without milliseconds:
2025-03-09T10:00:00
ISO8601 with space instead of T:
2025-03-09 10:00:00
ISO8601 with forward slashes:
2025/03/09 10:00:00
The Calendar API Bridge has been updated to handle these date formats automatically.
To run the server in development mode with automatic reloading:
npm run dev
MIT
Prerequisites
Time Estimate
15-60 minutes depending on server complexity
Steps
Troubleshooting
✓ Do
✗ Don't
💡 Pro Tips
Architecture
Model Context Protocol standardizes how AI hosts (Claude, Cursor) communicate with external tools and data sources through server implementations.
Protocols
Compatibility
✓ Use when
Use when you need Claude to access external data, execute actions, or integrate with tools. Best for extending AI capabilities beyond conversation.
✗ Avoid when
Avoid when native integrations exist (use official APIs directly), for real-time critical systems, or when security/compliance requires zero external dependencies.