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@morairty0909/hass-mcp

v0.1.10

Published

MCP server for Home Assistant (REST/WebSocket) control.

Readme

@morairty0909/hass-mcp (Moriarty0909 修复增强版)

⚠️ 此 fork 修复了原版的关键 bug 并新增功能

  • 修复 ha_call_service 参数字段名错误
  • 新增 ha_get_entities_by_areaha_get_entities_by_type 工具

原版仓库:hannoeru/hass-mcp 已提交 PR:#2


🔧 修复内容

问题描述

调用 ha_call_service 工具时,参数字段名使用 service_data,但工具 schema 定义的是 data,导致参数无法正确传递给 Home Assistant,服务调用失败。

症状

  • 工具返回 [object Object]
  • 服务实际未执行
  • 实体状态无变化

修复方案

  • 修复参数字段名: service_datadata(与 schema 定义一致)
  • 添加错误处理(try-catch)
  • 添加调用日志便于调试

测试验证

  • [x] light.turn_on / light.turn_off
  • [x] switch.turn_on / switch.turn_off
  • [x] 服务正常执行,返回正确响应

修改文件

  • src/ha.ts: 添加 try-catch 错误处理
  • src/index.ts: 修复参数字段名,增强错误处理

An open-source MCP server for controlling and querying Home Assistant.

  • Transport: stdio
  • Auth: Home Assistant long-lived token
  • API: Home Assistant REST API

Features

Tools exposed:

状态查询:

  • ha_get_state — get state for an entity
  • ha_list_states — list all states (can be large)
  • ha_get_entities_by_area — get entities in specific area with states
  • ha_get_entities_by_type — get entities of specific type with states

控制操作:

  • ha_call_service — call any service
  • ha_light_turn_on/off — light control
  • ha_area_lights_on/off — area lights batch control

配置查询:

  • ha_list_services — list available services
  • ha_list_areas — list areas
  • ha_list_devices — list devices
  • ha_list_entity_registry — list entity registry

历史数据:

  • ha_get_logbook — get logbook entries
  • ha_get_history — get history data

Install

方式 1:从 npm 安装(最新版本)✅

注意: 包已发布到 npm,包含最新功能。

npx @morairty0909/hass-mcp

方式 2:从 GitHub 安装

npx -y github:Moriarty0909/hass-mcp#main

方式 3:本地源码安装

git clone https://github.com/Moriarty0909/hass-mcp.git
cd hass-mcp
pnpm install
pnpm build

Run

export HASS_URL="http://homeassistant.local:8123"
export HASS_TOKEN="<your long-lived access token>"

# 使用 npm 包(推荐)
npx @morairty0909/hass-mcp

# 或使用 GitHub
npx -y github:Moriarty0909/hass-mcp#main

Configure in an MCP client

Example (CoPaw config.json):

{ "mcpServers": { "homeassistant": { "name": "homeassistant_mcp", "command": "npx", "args": ["@morairty0909/hass-mcp"], "env": { "HASS_URL": "http://homeassistant.local:8123", "HASS_TOKEN": "你的 long-lived access token" } } } }

Security

  • Treat tokens as secrets.
  • Prefer running this server on the same LAN as Home Assistant.
  • If your HA is behind Cloudflare Access, run this MCP server on the LAN side.

License

MIT