Book meetings, check availability, and manage your entire scheduling workflow programmatically via Cal.com.
Use with AI AssistantsMCP
Connect Claude, Cursor, or any MCP-compatible client — then call tools directly
① Add This MCP Server
Paste into your AI client config — then all its tools are available instantly.
{
"mcpServers": {
"cal-com": {
"url": "https://mcp.aerostack.dev/s/aerostack/mcp-cal-com",
"headers": {
"Authorization": "Bearer YOUR_AEROSTACK_TOKEN"
}
}
}
}Replace YOUR_AEROSTACK_TOKEN with your API token from the dashboard.
② Call a Tool
Ask your AI assistant to call a specific tool, or send raw JSON-RPC:
Natural Language Prompt
“Use the _ping tool to verify cal.com credentials by calling a lightweight read endpoint. used internally by aerostack to validate credentials”
Using a Workspace?
Add this MCP to your Workspace — your team shares one token, secrets are stored securely, and every AI agent in the workspace can call it without per-user setup.
Let AI agents manage your entire scheduling workflow — create event types, check availability, book meetings, and handle cancellations automatically.
Cal.com is the open-source scheduling infrastructure used by thousands of businesses. This MCP server gives your agents full control over the Cal.com API: managing bookable event types, checking real-time availability, creating and rescheduling bookings, and tracking no-shows — all without human intervention.
Live endpoint: https://mcp.aerostack.dev/s/aerostack/mcp-cal-com
| Tool | Description |
|---|---|
| list_event_types | List all bookable event types for the authenticated user |
| get_event_type | Get full details of a specific event type by ID |
| create_event_type | Create a new bookable event type with duration, slug, and locations |
| delete_event_type | Delete an event type by ID |
| list_bookings | List bookings with optional status and attendee email filters |
| get_booking | Get full details of a specific booking by UID |
| create_booking | Create a new booking for an event type with attendee details |
| reschedule_booking | Reschedule an existing booking to a new start time |
| cancel_booking | Cancel a booking with an optional cancellation reason |
| mark_no_show | Mark the host as a no-show on a booking |
| get_availability | Get available time slots for an event type within a date range |
| get_busy_times | Get blocked time periods for a user — useful for conflict detection |
| list_schedules | List all recurring availability schedules for the authenticated user |
| get_me | Get the authenticated Cal.com user's profile and settings |
| update_me | Update the authenticated user's time zone, name, or time format |
| Variable | Required | Description | How to Get |
|---|---|---|---|
| CAL_COM_API_KEY | Yes | Cal.com API key | app.cal.com → Settings → Developer → API Keys |
CAL_COM_API_KEY under Project → SecretsOnce added, every AI agent in your workspace can book and manage meetings automatically — no per-user setup needed.
"Check availability for a 30-minute call next Tuesday and book the first open slot for john@example.com"
"Show me all upcoming bookings for this week"
"Cancel the meeting with uid abc123xyz — the client requested a reschedule"
curl -X POST https://mcp.aerostack.dev/s/aerostack/mcp-cal-com \
-H 'Content-Type: application/json' \
-H 'X-Mcp-Secret-CAL-COM-API-KEY: your-key' \
-d '{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"get_availability","arguments":{"event_type_id":123,"start_time":"2024-08-13T00:00:00Z","end_time":"2024-08-20T23:59:59Z"}}}'
MIT
Live Endpoint
https://mcp.aerostack.dev/s/aerostack/mcp-cal-com
Sub-50ms globally · Zero cold start
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Yes. The Cal Com MCP includes a create_event_type tool that lets Claude create event types in your Cal Com account from a plain-English prompt. You can also update and delete event types — no Cal Com UI needed.
Yes. The Cal Com MCP includes tools to list and retrieve event types from your Cal Com account. Claude can filter, sort, and summarize event types based on your instructions.
Yes. The Cal Com MCP uses the open Model Context Protocol standard, so it works in Claude, Cursor, Windsurf, and any other MCP-compatible AI tool. All 15 Cal Com tools are available everywhere you connect it — install once on Aerostack.
Yes. Aerostack hosts the Cal Com MCP with encrypted credential storage and per-account authentication. Your Cal Com credentials are never shared with Claude's conversation — they're used server-side only.