Read and monitor WAGO PLC parameters over the WDA REST API. Read-only unless writes are allowed.
To add WAGO PLC to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 7 environment variables, listed below.
Install
uvx wago-plc-mcp-server@2.4.4Environment variables
TRANSPORTSet in your MCP configWAGO_PLC_HOSTSSet in your MCP configDEFAULT_PLC_USERNAMESet in your MCP configDEFAULT_PLC_PASSWORDSet in your MCP configWAGO_TIMEOUT_SECONDSSet in your MCP configWAGO_ALLOW_WRITESSet in your MCP configAUDIT_LOG_FILESet in your MCP configInstall with your client
claude mcp add wago-plc --env TRANSPORT=<YOUR_TRANSPORT> --env WAGO_PLC_HOSTS=<YOUR_WAGO_PLC_HOSTS> --env DEFAULT_PLC_USERNAME=<YOUR_DEFAULT_PLC_USERNAME> --env DEFAULT_PLC_PASSWORD=<YOUR_DEFAULT_PLC_PASSWORD> --env WAGO_TIMEOUT_SECONDS=<YOUR_WAGO_TIMEOUT_SECONDS> --env WAGO_ALLOW_WRITES=<YOUR_WAGO_ALLOW_WRITES> --env AUDIT_LOG_FILE=<YOUR_AUDIT_LOG_FILE> -- uvx wago-plc-mcp-server@2.4.4
Run this in a terminal to add the server to Claude Code.
What this does
WAGO PLC exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.
Requirements
This server needs the following environment variables to be set before it can run:
TRANSPORT WAGO_PLC_HOSTS DEFAULT_PLC_USERNAME DEFAULT_PLC_PASSWORD WAGO_TIMEOUT_SECONDS WAGO_ALLOW_WRITES AUDIT_LOG_FILE
Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).
Frequently asked questions
How do I install WAGO PLC?
Run the Claude Code command in the install section to add WAGO PLC to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.
Which clients work with WAGO PLC?
This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to WAGO PLC as well.
Does WAGO PLC need an API key?
Yes. Before it can run, set these environment variables: TRANSPORT, WAGO_PLC_HOSTS, DEFAULT_PLC_USERNAME, DEFAULT_PLC_PASSWORD, WAGO_TIMEOUT_SECONDS, WAGO_ALLOW_WRITES, AUDIT_LOG_FILE. They go in the env block of your MCP config.
Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.
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