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CalendarMCP MCP Server

@Full-Vibe

Repository

Basic information

Category

AI & Agents

Transports

stdio

Author

Full-Vibe

Submitted by

Jake Schwartz

About CalendarMCP MCP Server

Hosted Google Calendar MCP server. Connect any AI agent to Google Calendar in about two minutes. No self-hosting, no Docker, no credentials.json. 10 tools including batch update, multi-account-one-key, and Google Advanced Protection support. Works with Claude Desktop, Claude Code

#google-calendar#calendar#hosted#http#batch-operations#multi-account#google-advanced-protection#productivity#scheduling#claude#cursor#openclaw

CalendarMCP MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "calendar": {
      "url": "https://calendarmcp.ai/api/mcp",
      "transport": "http",
      "headers": {
        "Authorization": "Bearer YOUR_CALENDARMCP_API_KEY"
      }
    }
  }
}

CalendarMCP MCP Server tools

10

List events across one or all connected calendars.

Full event details.

Create with attendees, location, reminders, recurrence.

Partial update.

Delete.

Natural language.

All visible calendars with per-calendar R/W flags.

Free/busy query.

Add/remove attendees.

Up to 50 events in one call.

Overview

What is CalendarMCP?

CalendarMCP is a hosted Google Calendar MCP server that lets any AI agent connect to Google Calendar in about two minutes, with zero self-hosting, no Docker, and no credentials.json. It is for users who want to give their AI assistants calendar access via a simple OAuth click and instant API key.

How to use CalendarMCP?

Visit https://calendarmcp.ai, sign in with Google, and copy your API key. Then add the MCP server to your client using the configuration examples at the GitHub repository. Finally, talk to your agent (e.g., “What do I have on Tuesday?”).

Key features of CalendarMCP

  • Zero setup: one Google OAuth click, instant API key.
  • HTTP transport; works with any HTTP-capable MCP client.
  • Supports batch operations: batch_update_events updates up to 50 events.
  • Multi-account support: connect any number of Google accounts under one key.
  • Google Advanced Protection support via service‑account sharing.
  • Per‑calendar read/write permissions configurable from the dashboard.

Use cases of CalendarMCP

  • List events across all connected calendars.
  • Create, update, or delete events with attendees, location, recurrence, and reminders.
  • Find free time across calendars using the free/busy query.
  • Manage attendees (add/remove) on existing events.
  • Use natural language to quickly add events.

Frequently asked questions

1

Does CalendarMCP require self-hosting or Docker?

No. CalendarMCP is fully hosted – no self-hosting, no Docker, and no credentials.json required.

2

Which MCP clients does CalendarMCP work with?

It works with Claude.ai, Claude Code, Cursor, OpenClaw, Continue, Cline, Windsurf, Goose, n8n, and any HTTP-capable MCP client.

3

Can I use multiple Google accounts with a single API key?

Yes. You can connect any number of Google accounts (mix of OAuth and service‑account‑shared calendars) under one API key.

4

Does CalendarMCP support users with Google Advanced Protection?

Yes. CalendarMCP is the only hosted MCP server that works for Google Advanced Protection users, via service‑account sharing.

5

What transport does CalendarMCP use?

CalendarMCP uses HTTP transport.

6

Is there a free tier?

Yes, a free tier with generous limits is available. Paid plans are coming soon.

Comments

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