Mcp Server Cal

MCP server · by AIWerk

Developer Tools npm v1.0.6

Cal.com scheduling MCP server: manage bookings, event types, and availability.

View source ↗ Website ↗ Generate config for multiple servers More servers

Install

Pin version registry version 1.0.6

npm
npx -y @aiwerk/mcp-server-cal

npm
npx -y @aiwerk/mcp-server-cal@1.0.6

Setup by client

Pick your client — the config below is generated for this server (local stdio). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal"
      ],
      "env": {
        "CAL_API_KEY": "<YOUR_CAL_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal@1.0.6"
      ],
      "env": {
        "CAL_API_KEY": "<YOUR_CAL_API_KEY>"
      }
    }
  }
}

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env CAL_API_KEY=<YOUR_CAL_API_KEY> mcp-server-cal -- npx -y @aiwerk/mcp-server-cal

claude mcp add --env CAL_API_KEY=<YOUR_CAL_API_KEY> mcp-server-cal -- npx -y @aiwerk/mcp-server-cal@1.0.6

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal"
      ],
      "env": {
        "CAL_API_KEY": "<YOUR_CAL_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal@1.0.6"
      ],
      "env": {
        "CAL_API_KEY": "<YOUR_CAL_API_KEY>"
      }
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal"
      ],
      "env": {
        "CAL_API_KEY": "<YOUR_CAL_API_KEY>"
      }
    }
  }
}

{
  "servers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal@1.0.6"
      ],
      "env": {
        "CAL_API_KEY": "<YOUR_CAL_API_KEY>"
      }
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal"
      ],
      "env": {
        "CAL_API_KEY": "<YOUR_CAL_API_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "mcp-server-cal": {
      "command": "npx",
      "args": [
        "-y",
        "@aiwerk/mcp-server-cal@1.0.6"
      ],
      "env": {
        "CAL_API_KEY": "<YOUR_CAL_API_KEY>"
      }
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

CAL_API_KEY required secret — Cal.com API key (prefix cal_ or cal_live_). Create one at Cal.com Settings > Security > API Keys.

About this server

Distributed as npm, listed under Developer Tools. Review our MCP security guide before granting access to real data.

Frequently asked questions

How do I install Mcp Server Cal?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Mcp Server Cal free to use?

The MCP server itself is free to install. The source is public on https://github.com/AIWerk/mcp-server-cal. Any third-party service it calls may require its own API key and account.

Which clients support Mcp Server Cal?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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