mcp-hass

Original：🇺🇸 English
Translated

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

2installs
Sourceaahl/skills
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NPX Install

npx skill4agent add aahl/skills mcp-hass

Tags

Translated version includes tags in frontmatter
home-assistantmcp-protocolsmart-home-controlmcporter-clidevice-state-query

SKILL.md Content

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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.
  • In the bottom right corner, select the + Add Integration button.
  • 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:
shell
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

shell
# 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