WAGO PLC

stdio

Read and monitor WAGO PLC parameters over the WDA REST API. Read-only unless writes are allowed.

Getting Started

npx @getmcp/cli add io.github.WagoAlex/wago-plc-mcp-server

Requires Python 3.10+. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

TRANSPORT
MCP transport. Fixed to stdio for this package.
WAGO_PLC_HOSTS
Comma-separated IPs of the WAGO PLCs, reachable from this machine
DEFAULT_PLC_USERNAME
WBM username on the PLCs
DEFAULT_PLC_PASSWORD
WBM password, same on all listed PLCs
WAGO_ALLOW_WRITES
true lets the agent change parameters, run methods and upload files. Anything else keeps every PLC read-only

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "io.github.WagoAlex/wago-plc-mcp-server": {
      "command": "uvx",
      "args": [
        "wago-plc-mcp-server"
      ],
      "env": {
        "TRANSPORT": "stdio",
        "WAGO_PLC_HOSTS": "",
        "DEFAULT_PLC_USERNAME": "admin",
        "DEFAULT_PLC_PASSWORD": "",
        "WAGO_TIMEOUT_SECONDS": "45",
        "WAGO_ALLOW_WRITES": "false",
        "AUDIT_LOG_FILE": ""
      }
    }
  }
}

Claude Desktop MCP documentation