How to Use the Cal.com MCP in Claude

Q: How do I connect the Cal.com MCP Server to Claude Desktop?

Edit your claudedesktopconfig.json file and add the Vinkius endpoint. Restart the app completely. You will see a hammer icon when the tools load.

Q: Does Claude Desktop handle Cal.com timezone differences?

The agent reads your native settings. It calls getme to check your exact timezone before suggesting any slots to external guests.

Give Claude Desktop direct control over your Cal.com schedule to book meetings and manage availability 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 meetings from Claude Desktop

Claude reads your availability and schedules meetings directly from your chat window. You tell the agent who you need to meet and how long it should take. It runs `get_available_slots` to find open times on your calendar. Once you confirm a slot, the agent hits `create_booking` to lock it in and generate the conferencing URLs automatically.

Move and cancel appointments

Plans change. Instead of clicking through a web interface, tell your agent to move the call to tomorrow afternoon. The `reschedule_booking` tool finds a new time block and updates the guest links. If someone bails entirely, `cancel_booking` removes the event and fires off the notification emails with your contextual reason attached.

Read calendar data instantly

Sometimes you just need to know what your week looks like. Ask your MCP agent for a quick rundown of your upcoming schedule. It pulls data via `list_bookings` to show accepted or pending meetings. The agent can also check `get_me` to verify your default schedule and timezone settings before making promises to clients.

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-1-mcp.

json

{
  "mcpServers": {
    "calcom-1-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.

Why Choose Vinkius

Vinkius connects your tools to AI with real-time monitoring and automatic cost savings — all from one dashboard.

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Connect your favorite tools to your AI and see exactly what's happening — every request, every response, in real time.

Built-in savings

60%

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Vinkius compresses data between your apps and your AI automatically. Lower bills every month — no configuration required.

Single dashboard

One

place for every integration

Every tool your AI connects to, managed from a single screen. One account, complete control.

Common questions about Cal.com MCP in Claude Desktop

Edit your claude_desktop_config.json file and add the Vinkius endpoint. Restart the app completely. You will see a hammer icon when the tools load.

Yes. Go to Settings, click Integrations, and add a custom connector. Paste your Vinkius URL there to access the MCP tools from your browser.

The agent reads your native settings. It calls get_me to check your exact timezone before suggesting any slots to external guests.

The server triggers the native cancellation flow. Both the host and guests get an email explaining the reason for the destroyed booking.

Vinkius runs this MCP Server in an ephemeral V8 Isolate Sandbox. The agent reads attendee names, emails, and meeting statuses, but nothing persists after the session ends. Your connection requires just one zero-trust endpoint token.

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