# Calendarmcp MCP server

Source: https://glimind.com/server/mcp-registry%2Fai.calendarmcp%2Fserver
Registry id: `mcp-registry/ai.calendarmcp/server`
Status: auth-required (checked 2026-10-26T23:08:46.482Z)

## Measurements (30 days)

- Uptime: 100%
- Checks: 212
- Outages (90 days): 0

## Install

```json
{
  "mcpServers": {
    "calendarmcp-mcp-server": {
      "type": "http",
      "url": "https://calendarmcp.ai/api/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http calendarmcp-mcp-server https://calendarmcp.ai/api/mcp
```

## Tools (10)

- `batch_update_events`: Update up to 50 events in one concurrent call.
- `create_event`: Create an event. Supports attendees, location, reminders, recurrence, all-day.
- `delete_event`: Delete an event.
- `find_free_time`: Free/busy query across one or more calendars. The right thing to call before create_event to prevent double-booking.
- `get_event`: Full details of one event.
- `list_calendars`: List every calendar the API key can see, with per-calendar R/W permissions.
- `list_events`: List events across one or all connected calendars in a time range. Auto-paginates up to 2500 results.
- `manage_attendees`: Add or remove attendees from an event.
- `quick_add_event`: Create from natural language ("Lunch with Sam Friday 1pm").
- `update_event`: Partial update of an existing event.

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.