LIFX LAN MCP
@simon-duchastel
About LIFX LAN MCP
MCP (Model Context Protocol) server for allowing AI agents to interact with the Lifx lights on your LAN. Not officially affiliated with Lifx or Feit Electric
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"lifx-lan-mcp": {
"command": "npx",
"args": [
"-y",
"lifx-lan-mcp"
]
}
}
}Tools
5List all Lifx lights currently available on the user's local area network (LAN).Each light is specified by a unique string label.Use this to get which lights the user wants to interact with, as the label is used in other tools to interact with lights.Also includes additional information about the light, such as group and location
Get the current state of one or more LIFX lights, including their colors, whether they're on or off, and what groups and locations they belong to (if any).
Set the color of one or more Lifx lights. Must specify hue, saturation, brightness, and may optionally specify kelvin temperature (otherwise 3500 is used).
Turn on one or more Lifx lights, optionally at specific color.
Turn off one or more Lifx lights.
Overview
What is LIFX LAN MCP?
A Model Context Protocol (MCP) server that allows an LLM to control LIFX lights over the local area network (LAN) without cloud connectivity. It must run on the same WiFi network as the LIFX lights and targets users who want local, low‑latency smart light control through an AI assistant.
How to use LIFX LAN MCP?
Install via npx and add the provided JSON configuration to your LLM’s MCP config file (e.g., claude_desktop_config.json). The server can run in stdio mode (default, started directly by the client) or HTTP server mode (--mode sse). Tools include listing lights, getting state, setting color, turning lights on, and turning lights off – all invoked by the LLM.
Key features of LIFX LAN MCP
- List all available LIFX lights on the network
- Get current state (color, on/off, labels) of lights
- Turn lights on and off
- Change light colors with hue, saturation, brightness, and optional kelvin
- Operates locally – no cloud required
- Configurable transport: stdio or SSE (HTTP server mode)
Use cases of LIFX LAN MCP
- Voice‑controlled lighting via an LLM assistant
- Automated lighting scenes triggered by AI reasoning
- Dynamic color adjustments based on time or activity
- Home automation without relying on internet connectivity
- Natural‑language control of groups of lights
FAQ from LIFX LAN MCP
What are the runtime requirements?
Node.js, TypeScript, and LIFX lights on the same local WiFi network.
Does this server require an internet connection to work?
No. It communicates with LIFX lights over the local area network and does not use cloud services.
What transport modes are available?
Stdio (default, for direct client‑server communication) and SSE (HTTP server mode, for standalone network‑accessible operation).
Is authentication supported in HTTP server mode?
No. HTTP server mode currently lacks authentication; the README warns it is dangerous and recommends use at your own risk until authentication is added.
Which MCP protocol versions are supported?
Both the 2025‑04‑21 (latest) and 2025‑03‑26 (legacy) protocol versions are supported, using /mcp and /sse endpoints respectively.
Frequently asked questions
What are the runtime requirements?
Node.js, TypeScript, and LIFX lights on the same local WiFi network.
Does this server require an internet connection to work?
No. It communicates with LIFX lights over the local area network and does not use cloud services.
What transport modes are available?
Stdio (default, for direct client‑server communication) and SSE (HTTP server mode, for standalone network‑accessible operation).
Is authentication supported in HTTP server mode?
No. HTTP server mode currently lacks authentication; the README warns it is dangerous and recommends use at your own risk until authentication is added.
Which MCP protocol versions are supported?
Both the 2025‑04‑21 (latest) and 2025‑03‑26 (legacy) protocol versions are supported, using `/mcp` and `/sse` endpoints respectively.
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