WAGO PLC

io.github.WagoAlex/wago-plc-mcp-server · v2.4.7

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

Website Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add wago-plc-mcp-server -e TRANSPORT=<TRANSPORT> -e WAGO_PLC_HOSTS=<WAGO_PLC_HOSTS> -e DEFAULT_PLC_USERNAME=<DEFAULT_PLC_USERNAME> -e DEFAULT_PLC_PASSWORD=<DEFAULT_PLC_PASSWORD> -e WAGO_TIMEOUT_SECONDS=<WAGO_TIMEOUT_SECONDS> -e WAGO_ALLOW_WRITES=<WAGO_ALLOW_WRITES> -e AUDIT_LOG_FILE=<AUDIT_LOG_FILE> -- uvx wago-plc-mcp-server==2.4.7

claude_desktop_config.json

{
  "mcpServers": {
    "wago-plc-mcp-server": {
      "command": "uvx",
      "args": [
        "wago-plc-mcp-server==2.4.7"
      ],
      "env": {
        "TRANSPORT": "<TRANSPORT>",
        "WAGO_PLC_HOSTS": "<WAGO_PLC_HOSTS>",
        "DEFAULT_PLC_USERNAME": "<DEFAULT_PLC_USERNAME>",
        "DEFAULT_PLC_PASSWORD": "<DEFAULT_PLC_PASSWORD>",
        "WAGO_TIMEOUT_SECONDS": "<WAGO_TIMEOUT_SECONDS>",
        "WAGO_ALLOW_WRITES": "<WAGO_ALLOW_WRITES>",
        "AUDIT_LOG_FILE": "<AUDIT_LOG_FILE>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "wago-plc-mcp-server": {
      "command": "uvx",
      "args": [
        "wago-plc-mcp-server==2.4.7"
      ],
      "env": {
        "TRANSPORT": "<TRANSPORT>",
        "WAGO_PLC_HOSTS": "<WAGO_PLC_HOSTS>",
        "DEFAULT_PLC_USERNAME": "<DEFAULT_PLC_USERNAME>",
        "DEFAULT_PLC_PASSWORD": "<DEFAULT_PLC_PASSWORD>",
        "WAGO_TIMEOUT_SECONDS": "<WAGO_TIMEOUT_SECONDS>",
        "WAGO_ALLOW_WRITES": "<WAGO_ALLOW_WRITES>",
        "AUDIT_LOG_FILE": "<AUDIT_LOG_FILE>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "wago-plc-mcp-server": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "wago-plc-mcp-server==2.4.7"
      ],
      "env": {
        "TRANSPORT": "<TRANSPORT>",
        "WAGO_PLC_HOSTS": "<WAGO_PLC_HOSTS>",
        "DEFAULT_PLC_USERNAME": "<DEFAULT_PLC_USERNAME>",
        "DEFAULT_PLC_PASSWORD": "<DEFAULT_PLC_PASSWORD>",
        "WAGO_TIMEOUT_SECONDS": "<WAGO_TIMEOUT_SECONDS>",
        "WAGO_ALLOW_WRITES": "<WAGO_ALLOW_WRITES>",
        "AUDIT_LOG_FILE": "<AUDIT_LOG_FILE>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`TRANSPORT` Required	MCP transport. Fixed to stdio for this package.
`WAGO_PLC_HOSTS` Required	Comma-separated IPs of the WAGO PLCs, reachable from this machine
`DEFAULT_PLC_USERNAME` Required	WBM username on the PLCs
`DEFAULT_PLC_PASSWORD` Required, secret	WBM password, same on all listed PLCs
`WAGO_TIMEOUT_SECONDS` Optional	WDA request timeout. CC100 needs 45 or more, other controllers work with 15
`WAGO_ALLOW_WRITES` Required	true lets the agent change parameters, run methods and upload files. Anything else keeps every PLC read-only
`AUDIT_LOG_FILE` Optional	Optional path for the tamper-evident audit log of writes and refusals

Details

Package	`[email protected]` (PYPI, stdio)
Package	`docker.io/wagoalex/wago-plc-mcp-server:2.4.7` (OCI, stdio)
First published	12 Nov 2026
Last updated	12 Nov 2026
Registry name	`io.github.WagoAlex/wago-plc-mcp-server`

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Local install

Installed and run on your own machine, so there is no public endpoint to check.

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