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Alexa Home Automation MCP Server

by guitarbeat

Alexa Home Automation MCP Server 🏠🔋

A powerful Model Context Protocol (MCP) server that provides AI agents (like Claude Desktop) with full control over your Alexa-connected smart home.

This server acts as a bridge between the Alexa API and the MCP ecosystem, enabling capabilities like voice announcements, music control, lighting automation, and sensor monitoring.

License: MIT MCP CI Code Style: Airbnb Code Style: Prettier

✨ Features

  • 📢 Voice Announcements: Send customized voice messages to any Alexa device with smart night-time suppression.

  • 🎵 Music Control: Get real-time status of current tracks and playback on your Echo devices.

  • 💡 Smart Lighting: Full control over power, brightness, and colors for all discovered smart lights.

  • 🌡️ Sensor Integration: Access temperature, light, and motion sensor data from your Alexa devices.

  • 🔊 Volume Management: Precise control over volume levels across your entire device fleet.

  • 🤖 Self-Documenting: Clean, descriptive API handlers designed for LLM consumption.

Related MCP server: MCP Home Assistant Server

🚀 Getting Started

1. Requirements

  • pnpm installed.

  • An Amazon account with connected Alexa devices.

We've automated the tedious process of collecting Amazon cookies.

  1. Install dependencies:

    pnpm install
  2. Run the cookie automation script:

    pnpm run get-cookies
  3. A local proxy will start. Complete the login in the browser window that appears.

  4. The script will automatically generate your .env file with the required UBID_MAIN and AT_MAIN tokens.

3. Environment Variables

Create a .env file in the root directory and add your required variables.

# Amazon Authentication (Auto-generated by get-cookies script)
UBID_MAIN="..."
AT_MAIN="..."

# API Configuration
API_BASE="https://alexa.amazon.com"

# Security Configuration
MCP_AUTH_TOKEN="your-secret-token" # Required: Bearer token for authenticating API requests
ALLOWED_ORIGINS="http://localhost,http://127.0.0.1" # Comma-separated list of allowed origins for CORS (default: http://localhost)

4. Local Development

Start the server in Node.js mode:

pnpm run dev:node

The server will be available at http://localhost:3001.

🛠️ MCP Configuration

Add this to your Claude Desktop configuration (claude_desktop_config.json):

{
  "mcpServers": {
    "alexa": {
      "command": "node",
      "args": ["/absolute/path/to/alexa-mcp-server/dist/node-index.js"],
      "env": {
        "API_BASE": "http://localhost:3001"
      }
    }
  }
}

🏗️ Architecture

This project is built using:

  • Hono: A fast, lightweight web framework.

  • TypeScript: For robust, type-safe development.

  • MCP SDK: To enable seamless integration with AI agents.

  • Cloudflare Workers Ready: Can be deployed to Cloudflare or any Node.js environment via Docker.

☕ Support

If you find this project helpful, consider buying me a coffee!

Buy Me A Coffee

📄 License

MIT © guitarbeat

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