Read-only TwinCAT ST intelligence: resolve symbols, library APIs, docs, validate PLC code.
Connect Runs on your machine
claude mcp add mcp -e PLCSENSE_LICENSE_KEY=<PLCSENSE_LICENSE_KEY> -- npx -y @zeugwerk/[email protected]{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@zeugwerk/[email protected]"
],
"env": {
"PLCSENSE_LICENSE_KEY": "<PLCSENSE_LICENSE_KEY>"
}
}
}
}{
"mcpServers": {
"mcp": {
"command": "npx",
"args": [
"-y",
"@zeugwerk/[email protected]"
],
"env": {
"PLCSENSE_LICENSE_KEY": "<PLCSENSE_LICENSE_KEY>"
}
}
}
}{
"servers": {
"mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@zeugwerk/[email protected]"
],
"env": {
"PLCSENSE_LICENSE_KEY": "<PLCSENSE_LICENSE_KEY>"
}
}
}
}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 |
|---|---|
PLCSENSE_LICENSE_KEYOptional, secret | Optional one-shot licence key (same as plcsense license activate). Skip if this machine is already licensed. |
Details
| Package | @zeugwerk/[email protected] (NPM, stdio) |
| First published | 7 Sep 2026 |
| Last updated | 7 Sep 2026 |
| Registry name | com.plcsense/mcp |
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