HomeAssistant Light MCP Server: Install & Setup

Install HomeAssistant Light in Claude Code

Claude Code

claude mcp add homeassistant-light -e HA_URL=... -e HA_TOKEN=... -- npx -y ha-mcp-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "homeassistant-light": {
      "command": "npx",
      "args": [
        "-y",
        "ha-mcp-server"
      ],
      "env": {
        "HA_URL": "...",
        "HA_TOKEN": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the HomeAssistant Light MCP server do?

Control Home Assistant lights and scenes. Lights only by design for safety.

Is the HomeAssistant Light MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does HomeAssistant Light run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add HomeAssistant Light to Claude Code?

Run: claude mcp add homeassistant-light -e HA_URL=... -e HA_TOKEN=... -- npx -y ha-mcp-server

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