What is io.github.daedalus/mcp-homeassistant?

MCP server exposing Home Assistant REST API functionality

How do I install io.github.daedalus/mcp-homeassistant?

Clone io.github.daedalus/mcp-homeassistant from https://github.com/daedalus/mcp-homeassistant and configure it as an MCP server in your client (Claude Desktop, Cursor, or VS Code).

Is io.github.daedalus/mcp-homeassistant open source?

Yes, io.github.daedalus/mcp-homeassistant is open source under the MIT license. Source code is available at https://github.com/daedalus/mcp-homeassistant.

What category does io.github.daedalus/mcp-homeassistant belong to?

io.github.daedalus/mcp-homeassistant is listed under Developer Tools MCP servers on MCPFind.

io.github.daedalus/mcp-homeassistant — MCP Server for Developer Tools

mcp-homeassistant

MCP server exposing Home Assistant 2026.4.1 REST API functionality.

mcp-name: io.github.daedalus/mcp-homeassistant

Install

pip install mcp-homeassistant

Configuration

Set the following environment variables:

HA_URL: Home Assistant URL (default: http://localhost:8123)
HA_TOKEN: Long-Lived Access Token (required)

Usage

export HA_URL="http://homeassistant:8123"
export HA_TOKEN="your_long_lived_access_token"
mcp-homeassistant

Tools

The MCP server exposes the following tools:

get_api_status - Check if the API is running
get_config - Get HA configuration
get_components - List loaded components
get_events - List event types and listener counts
get_services - List available services by domain
get_states - Get all entity states
get_state - Get a specific entity state
set_state - Update or create an entity state
delete_state - Delete an entity state
fire_event - Fire a custom event
call_service - Call a Home Assistant service
render_template - Render a Jinja template
get_history - Get historical state changes
get_logbook - Get logbook entries
check_config - Validate configuration.yaml
handle_intent - Handle an intent
get_error_log - Get error log
get_calendars - List calendar entities
get_calendar_events - Get calendar events

Resources

homeassistant://config - Current config
homeassistant://states - All entity states
homeassistant://services - Available services
homeassistant://components - Loaded components

Development

git clone https://github.com/daedalus/mcp-homeassistant.git
cd mcp-homeassistant
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# lint
ruff check src/ tests/

# type check
mypy src/

Set up in your AI client

AI clientOperating system

Merge this template into ~/Library/Application Support/Claude/claude_desktop_config.json. Keep existing servers. Add any arguments, credentials, and permissions required by the maintainer; this template has not been install-tested.

json

{
  "mcpServers": {
    "io-github-daedalus-mcp-homeassistant": {
      "command": "uvx",
      "args": [
        "mcp-homeassistant"
      ]
    }
  }
}

Restart Claude Desktop completely for changes to take effect. Confirm the server appears connected in the client’s tool list, then try a read-only example from its documentation.

Claude Desktop setup reference

Compatible MCP Clients

io.github.daedalus/mcp-homeassistant works with any MCP-compatible client. Copy the config snippet from the Configuration section above and add it to the file shown for your client, then restart the application.

Claude Desktop~/Library/Application Support/Claude/claude_desktop_config.jsonRestart Claude Desktop completely for changes to take effect.

Cursor~/.cursor/mcp.jsonRestart Cursor for changes to take effect.

VS Code.vscode/mcp.jsonReload VS Code window for changes to take effect.

Windsurf~/.codeium/windsurf/mcp_config.jsonRestart Windsurf for changes to take effect.

Claude Code.mcp.jsonSave at the project root, then start Claude Code in that project and review the MCP server approval prompt. Keep real credentials out of shared files.

io.github.daedalus/mcp-homeassistant