Calendly MCP server

Calendly MCP Server

<!-- mcp-name: io.github.NyxToolsDev/calendly-mcp-server -->

An MCP (Model Context Protocol) server that connects Claude Desktop and Claude Code to your Calendly account, enabling natural-language scheduling management.

Installation

pip install calendly-mcp

Getting a Calendly Personal Access Token

1. Log in to Calendly
2. Go to Settings > Integrations & Apps
3. Scroll to API & Connectors and click API
4. Click Get a token now (or Generate New Token)
5. Give the token a name (e.g., "Claude MCP") and click Create Token
6. Copy the token immediately -- it will not be shown again

Configuration

Claude Desktop

Add the following to your claudedesktopconfig.json:

• macOS: ~/Library/Application Support/Claude/claudedesktopconfig.json
• Windows: %APPDATA%\Claude\claudedesktopconfig.json

{
  "mcpServers": {
    "calendly": {
      "command": "calendly-mcp",
      "env": {
        "CALENDLY_ACCESS_TOKEN": "your-token-here",
        "LICENSE_KEY": "optional-premium-key"
      }
    }
  }
}

Claude Code

Set the environment variable before starting Claude Code:

export CALENDLY_ACCESS_TOKEN="your-token-here"
export LICENSE_KEY="optional-premium-key"   # only if you have a premium license

Then add the MCP server:

claude mcp add calendly -- calendly-mcp

Or add it to your project's .mcp.json:

{
  "mcpServers": {
    "calendly": {
      "command": "calendly-mcp",
      "env": {
        "CALENDLY_ACCESS_TOKEN": "your-token-here"
      }
    }
  }
}

Environment Variables

Tools

Free Tier (7 tools)

Premium Tier (5 additional tools)

Free vs Premium

Shortened. The full README is on GitHub.