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Home Assistant Server

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Enables AI agents to control Home Assistant smart home devices via MCP, with zero external dependencies. Supports calling services, getting states, and looking

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Enables AI agents to control Home Assistant smart home devices via MCP, with zero external dependencies. Supports calling services, getting states, and looking up service parameters.

README

English | 中文

Home Assistant MCP Server

通过 MCP (Model Context Protocol) 让 AI Agent 直接控制你的 Home Assistant 智能家居设备。

零外部依赖 — 只需要 Node.js 18+。

前置要求

  • Node.js 18+
  • 正在运行的 Home Assistant 实例
  • Home Assistant 长期访问令牌(Long-Lived Access Token)

工具

工具 功能 必需参数 可选参数
ha_call_service 调用 HA 服务(开关灯、调温度等) domain, service url, token, body
ha_get_states 获取实体状态 url, token, entity_id
ha_lookup_service 查询服务参数信息 domain, service

所有工具都支持通过参数 urltoken 传入 HA 凭证,也支持通过环境变量 HA_URLHA_TOKEN 设置默认值。

快速开始

git clone https://github.com/weyand138-netizen/Home-assistant-AI-agent-mcp.git
cd Home-assistant-AI-agent-mcp

# 直接运行(无需 npm install)
node ha-mcp-server.mjs

在支持 MCP 的客户端中使用

Claude Desktop

编辑 claude_desktop_config.json

{
  "mcpServers": {
    "ha": {
      "command": "node",
      "args": ["路径/ha-mcp-server.mjs"],
      "env": {
        "HA_URL": "http://192.168.1.100:8123",
        "HA_TOKEN": "你的长期访问令牌"
      }
    }
  }
}

其他 MCP 客户端

在任何支持 MCP stdio 传输的客户端中,按相同方式配置即可。也可以不设置环境变量,在对话中直接传参:

"把客厅灯打开,HA 地址是 http://192.168.1.100:8123,令牌是 xxxxx"

测试

# 启动服务器
node ha-mcp-server.mjs

# 也可以用 MCP Inspector 调试
npx @modelcontextprotocol/inspector node ha-mcp-server.mjs

工作原理

AI Agent → MCP stdio (JSON-RPC 2.0) → ha-mcp-server.mjs
                                         → Node.js fetch(无 CORS 限制)
                                         → HA REST API(port 8123)
                                         → 智能家居设备

服务字典

内置 32 个 domain、100+ 个服务的参数信息。包含 homeassistantlightswitchclimateshopping_listtodosceneautomation 等常用领域。

如需更新字典,可在 HA 中执行 curl http://your-ha:8123/api/services,按格式整理后替换 ha-service-dict.mjs

License

MIT


我只是初学者,这个做得可能不太好,欢迎指正 🙏

from github.com/weyand138-netizen/Home-assistant-AI-agent-mcp

Install Home Assistant Server in Claude Desktop, Claude Code & Cursor

Recommended · one command, every IDE
unyly install home-assistant-mcp-server

Installs into Claude Desktop, Claude Code, Cursor & VS Code — handles npx, uvx and build-from-source repos for you.

First time? Get the CLI: curl -fsSL https://unyly.org/install | sh

Or configure manually

Run in your terminal:

claude mcp add home-assistant-mcp-server -- npx -y ha-mcp-server

FAQ

Is Home Assistant Server MCP free?

Yes, Home Assistant Server MCP is free — one-click install via Unyly at no cost.

Does Home Assistant Server need an API key?

No, Home Assistant Server runs without API keys or environment variables.

Is Home Assistant Server hosted or self-hosted?

A hosted option is available: Unyly runs the server in the cloud, no local setup required.

How do I install Home Assistant Server in Claude Desktop, Claude Code or Cursor?

Open Home Assistant Server on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

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