LG Therma V MCP Server

What is LG Therma V MCP Server?

The LG Therma V MCP Server is a Model Context Protocol (MCP) server that integrates with LG Therma V heat pumps via Modbus TCP, enabling advanced automation and interaction. It is intended for developers and tools using MCP clients like Claude Desktop.

How to use LG Therma V MCP Server?

Download the binary for your system from the releases page, make it executable, and configure the claude_desktop_config.json file with the path to the binary and the Modbus TCP URL (e.g., tcp://192.168.1.10:4196). Then open Claude Desktop and start a conversation; the LG Therma V tools will appear if setup is correct.

Key features of LG Therma V MCP Server

• Integrates LG Therma V heat pumps via Modbus TCP
• Exposes heat pump controls as MCP tools
• Ready-to-use binary with no compilation needed
• Simple configuration for Claude Desktop
• MIT licensed open-source project

Use cases of LG Therma V MCP Server

• Automating heat pump temperature adjustments via AI assistants
• Monitoring heat pump status through natural language conversations
• Integrating heat pump control into smart home workflows
• Building custom automation scripts that interact with the heat pump

FAQ from LG Therma V MCP Server

What are the prerequisites for using LG Therma V MCP Server?

You need a Modbus TCP connection to the LG Therma V heat pump (e.g., via a Waveshare RS485-to-Ethernet adapter) and an MCP client such as Claude Desktop.

Is LG Therma V MCP Server ready for production?

No, it is in early development and not yet production-ready. The API may change and some features may be incomplete.

Where does LG Therma V MCP Server store or access data?

The server communicates directly with the heat pump over local Modbus TCP; no external cloud services are required. Data resides on the local network.

What transport protocol does LG Therma V MCP Server use?

It uses Modbus TCP to communicate with the heat pump. The server itself communicates with MCP clients via standard MCP transport (stdio).

Does LG Therma V MCP Server require authentication?

No authentication is mentioned in the README. The server assumes a local, trusted Modbus network.