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Cal.com is an open-source scheduling platform for managing availability and bookings. The Cal MCP server lets you check availability, create bookings, and manage schedules using natural language.

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What Can It Do?

  • Check availability for event types over date ranges
  • Create and manage bookings with timing and participants
  • Reschedule, confirm, or cancel existing bookings
  • Retrieve schedules and event types for automation

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Where to Use It

Add Cal.com as a tool to any agent. The agent can then interact with your calendar conversationally, choosing the right actions based on context. To add an MCP tool to your agent:
  1. Open your agent’s configuration
  2. Click Add tools → Connect an app with MCP
  3. Search for the integration and select it
  4. Authenticate with your account
You can control which tools your agent has access to. After adding an integration, click on it to enable or disable specific tools based on what your agent needs.

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In Workflows (Via Agent Node)

For automated pipelines, use an Agent Node with Cal.com tools. This gives you the flexibility of an agent within a deterministic workflow.

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As a Custom MCP Node

You can also create a standalone MCP node for a specific action. This generates a reusable node that performs one task, useful when you need the same operation repeatedly in workflows.
To create a custom MCP node:
  1. Go to your node library and search for the integration
  2. Click Create a node with AI
  3. Describe the specific action you want (e.g., “Get available time slots for next week”)
  4. Test the node and save it for reuse
Custom MCP nodes are single-purpose by design. For tasks that require multiple steps or dynamic decision-making, use an agent instead.

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Available Tools

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Example Prompts

Use these with your agent or in the Agent Node: Check availability:
Create a booking:
Reschedule a meeting:
Get upcoming bookings:
Cancel a booking:

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Troubleshooting

Agents are smart enough to chain multiple API calls together. For example, asking “Book a meeting” will find available slots first, then create the booking. If results seem off, check the agent’s step-by-step reasoning.

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Need Help?

Use this integration directly in Claude or Cursor. Connect remotely via the Cal.com MCP server using credentials from your Connectors page.