How to Use the Cal.com MCP in Claude

Q: How do I install the Cal.com MCP Server in Claude Desktop?

Open your claudedesktopconfig.json file from the Developer settings. Add the server command under the mcpServers key, save the file, and restart the app completely.

Q: Does Claude Desktop let me modify a Cal.com event type?

You can create new ones using the createeventtype tool. Modifying existing templates directly requires reading them first to help you build replacements.

Manage your calendar, book meetings, and audit schedules directly inside Claude Desktop without switching tabs.

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Connect Cal.com MCP to Claude Desktop

Create your Vinkius account to connect Cal.com to Claude Desktop and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup Cal.com with Claude Desktop

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Book and cancel meetings in Claude Desktop

Your chat interface now handles your entire daily schedule. Ask Claude to check your availability, and it fires off `list_bookings` to pull your upcoming appointments right into the conversation. Need to clear your afternoon? Tell the agent to drop a specific meeting, and it uses `cancel_booking` to remove it immediately. You never have to log into the web dashboard to fix a scheduling conflict again.

Build Cal.com event types on the fly

Setting up new meeting templates usually means clicking through a dozen settings pages. This MCP Server lets Claude do the heavy lifting for you by calling `create_event_type` based on a quick text prompt. You can ask the agent to grab your existing templates with `list_event_types` to see what is already active. If you need details on a specific template, `get_event_type` pulls the exact configuration so Claude can duplicate or modify it.

Audit your availability schedules

Figuring out why someone cannot book a slot on your calendar is usually a massive headache. Claude investigates this by running `get_schedules` to cross-reference your active hours against your current meetings. The agent also checks your base timezone and default hours using `get_current_user` to ensure your profile matches your actual location. If you work across multiple groups, `list_memberships` shows exactly which team calendars are affecting your availability.

Setup guide

Set up Cal.com MCP in Claude Web or Desktop

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.
2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL: https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.
3

Start a conversation

Open a new chat. The Cal.com MCP tools are available immediately — no restart needed.

Endpoint URL

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

No configuration file needed — paste the URL directly in the Claude web interface.

Available on Free (1 connector), Pro, Max, Team, and Enterprise plans.

Prerequisites

Claude Desktop installed (macOS or Windows)
Active Vinkius subscription with a valid endpoint token

1

Open Claude Desktop Settings

Click the menu icon at the top-left corner, go to Settings → Developer → Edit Config. This opens claude_desktop_config.json in your default text editor.
2

Paste the Cal.com MCP configuration

Copy the JSON snippet on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Restart Claude Desktop

Close and reopen the application. Claude needs a full restart to load new MCPs — refreshing a conversation is not enough.
4

Verify the connection

Open a new conversation. Click the 🔌 icon at the bottom of the message input. You should see tools listed under calcom-mcp.

json

{
  "mcpServers": {
    "calcom-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

Get your connection token →

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Cal.com. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Common questions about Cal.com MCP in Claude Desktop

Open your claude_desktop_config.json file from the Developer settings. Add the server command under the mcpServers key, save the file, and restart the app completely.

Yes, if you use the Custom Connectors feature on claude.ai. Just paste the remote MCP URL into the Integrations settings and authenticate your account.

You can create new ones using the create_event_type tool. Modifying existing templates directly requires reading them first to help you build replacements.

Ask the agent to review your upcoming week. It will pull your active calendar data and point out any overlapping appointments.

The agent accesses your meeting titles, attendee emails, timezone settings, and organization memberships. Vinkius runs this connection in a zero-trust V8 isolate, meaning your schedule data vanishes the moment the session ends.

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