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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:

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.
• https://github.com/steipete/mcporter/raw/refs/heads/main/docs/call-syntax.md
• https://github.com/steipete/mcporter/raw/refs/heads/main/docs/cli-reference.md

Weekly Installs

437

Repository

aahl/skills

GitHub Stars

79

First Seen

Feb 10, 2026

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