Modbus MCP Server

A pure JavaScript implementation of MODBUS-RTU (Serial and TCP) for NodeJS. The serialport package is an optional dependency (use npm install

Local serverstdioTypeScript

What is the Modbus MCP Server?

A pure JavaScript implementation of MODBUS-RTU (Serial and TCP) for NodeJS. The serialport package is an optional dependency (use npm install --no-optional to skip).

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Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
modbusRTU (SerialPort): Over serial line [require node serialport].

How to install the Modbus MCP Server

{
  "mcpServers": {
    "modbus": {
      "command": "npx",
      "args": ["-y", "modbus-serial"]
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Example prompts to try

  • “Use Modbus to modbus.”
  • “Use Modbus to Class.”
  • “Use Modbus to Development.”

Frequently asked questions

A pure JavaScript implementation of MODBUS-RTU (Serial and TCP) for NodeJS. The serialport package is an optional dependency (use npm install --no-optional to skip). Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.