WAGO PLC MCP Server

by wagoalexio.github.WagoAlex/wago-plc-mcp-serverv2.4.4

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

3Pythonstdioofficial registry

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Active15d ago

Install WAGO PLC MCP server

claude mcp add wago-plc -e TRANSPORT='<transport>' -e WAGO_PLC_HOSTS='<wago-plc-hosts>' -e DEFAULT_PLC_USERNAME=admin -e DEFAULT_PLC_PASSWORD='<default-plc-password>' -e WAGO_ALLOW_WRITES=false -- uvx wago-plc-mcp-server

{
  "mcpServers": {
    "wago-plc": {
      "command": "uvx",
      "args": [
        "wago-plc-mcp-server"
      ],
      "env": {
        "TRANSPORT": "<transport>",
        "WAGO_PLC_HOSTS": "<wago-plc-hosts>",
        "DEFAULT_PLC_USERNAME": "admin",
        "DEFAULT_PLC_PASSWORD": "<default-plc-password>",
        "WAGO_ALLOW_WRITES": "false"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "wago-plc": {
      "command": "uvx",
      "args": [
        "wago-plc-mcp-server"
      ],
      "env": {
        "TRANSPORT": "<transport>",
        "WAGO_PLC_HOSTS": "<wago-plc-hosts>",
        "DEFAULT_PLC_USERNAME": "admin",
        "DEFAULT_PLC_PASSWORD": "<default-plc-password>",
        "WAGO_ALLOW_WRITES": "false"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "wago-plc": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "wago-plc-mcp-server"
      ],
      "env": {
        "TRANSPORT": "<transport>",
        "WAGO_PLC_HOSTS": "<wago-plc-hosts>",
        "DEFAULT_PLC_USERNAME": "admin",
        "DEFAULT_PLC_PASSWORD": "<default-plc-password>",
        "WAGO_ALLOW_WRITES": "false"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "wago-plc": {
      "command": "uvx",
      "args": [
        "wago-plc-mcp-server"
      ],
      "env": {
        "TRANSPORT": "<transport>",
        "WAGO_PLC_HOSTS": "<wago-plc-hosts>",
        "DEFAULT_PLC_USERNAME": "admin",
        "DEFAULT_PLC_PASSWORD": "<default-plc-password>",
        "WAGO_ALLOW_WRITES": "false"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

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

Freshness

Active — last maintenance signal 15d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-25 · 15d ago · GitHub
Latest release
2026-09-21 · 19d ago · GitHub · v2.4.4
Package published
no data · npm/PyPI
Registry entry updated
2026-09-21 · 19d ago · official registry · v2.4.4

FAQ

›How do I install the WAGO PLC MCP server in Claude Code?

Run: claude mcp add wago-plc -e TRANSPORT='<transport>' -e WAGO_PLC_HOSTS='<wago-plc-hosts>' -e DEFAULT_PLC_USERNAME=admin -e DEFAULT_PLC_PASSWORD='<default-plc-password>' -e WAGO_ALLOW_WRITES=false -- uvx wago-plc-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does WAGO PLC require an API key?

Yes. It expects TRANSPORT, WAGO_PLC_HOSTS, DEFAULT_PLC_USERNAME, DEFAULT_PLC_PASSWORD, WAGO_ALLOW_WRITES, of which 1 is a secret.

›Can I use WAGO PLC as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is WAGO PLC in the official MCP registry?

Yes, as io.github.WagoAlex/wago-plc-mcp-server.