mcp-hass

The skill for control Home Assistant smart home devices and query states using MCP protocol.

INSTALLATION
npx skills add https://github.com/aahl/skills --skill mcp-hass
Run in your project or agent environment. Adjust flags if your CLI version differs.

SKILL.md

Home Assistant

Control Home Assistant smart home and query states using MCP protocol.

Prerequisites

Enable MCP server in Home Assistant:

  • Browse to your Home Assistant instance.
  • Go to Settings > Devices & services.
  • From the list, select Model Context Protocol.
  • Follow the instructions on screen to complete the setup.

Config

When prompted that the MCP server does not exist, remind the user to configure the HASS_BASE_URL and HASS_ACCESS_TOKEN environment variables by executing the following command to add the configuration:

npx -y mcporter config add home-assistant \

  --transport http \

  --url "${HASS_BASE_URL:-http://homeassistant.local:8123}/api/mcp" \

  --header "Authorization=Bearer \${HASS_ACCESS_TOKEN}"

Usage

# Get states

npx -y mcporter call home-assistant.GetLiveContext

# Turn on the device

npx -y mcporter call home-assistant.HassTurnOn(name: "Bedroom Light")

npx -y mcporter call home-assistant.HassTurnOn(name: "Light", area: "Bedroom")

# Turn off the device

npx -y mcporter call home-assistant.HassTurnOff(name: "Bedroom Light")

npx -y mcporter call home-assistant.HassTurnOff(area: "Bedroom", domain: ["light"])

# Control light

# brightness: The percentage of the light, where 0 is off and 100 is fully lit.

# color: Name of color

npx -y mcporter call home-assistant.HassLightSet(name: "Bedroom Light", brightness: 50)

# Control fan

# percentage: The percentage of the fan, where 0 is off and 100 is full speed.

npx -y mcporter call home-assistant.HassFanSetSpeed(name: "Fan", area: "Bedroom", percentage: 80)

Execute the following command to learn about specific usage methods:

  • npx -y mcporter list home-assistant --schema --all-parameters

About mcporter

  • To improve compatibility, use npx -y mcporter instead of mcporter when executing commands.
BrowserAct

Let your agent run on any real-world website

Bypass CAPTCHA & anti-bot for free. Start local, scale to cloud.

Explore BrowserAct Skills →

Stop writing automation&scrapers

Install the CLI. Run your first Skill in 30 seconds. Scale when you're ready.

Start free
free · no credit card