The Home Assistant MCP provides AI assistants with direct control over smart home devices through the Home Assistant API. It enables searching for entities using natural language descriptions, controlling device states (on/off), and managing light colors and brightness levels. Built with Python and FastMCP, it securely handles authentication via long-lived access tokens and exposes three main tools: searching entities, controlling devices, and setting light colors. This implementation is particularly valuable for users wanting to control their smart home through conversational AI without leaving their assistant interface.
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Search for entities in your Home Assistant instance using natural language.
Control devices by turning them on or off. Example usage: 'Turn on the kitchen light'.
Control light colors by setting any RGB color for compatible lights. Specify colors using RGB values (0-255 for each component).
Adjust light brightness with an optional brightness parameter (0-255). Can be combined with color changes.
