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mcp/harbor
VS Code

plcsense for VS Code

com.plcsense/mcp

Read-only TwinCAT ST intelligence: resolve symbols, library APIs, docs, validate PLC code.

client:VS Code transport:stdio runtime:npm

Install plcsense in VS Code

.vscode/mcp.json 

{
  "inputs": [
    {
      "type": "promptString",
      "id": "plcsense-license-key",
      "description": "PLCSENSE_LICENSE_KEY",
      "password": true
    }
  ],
  "servers": {
    "mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@zeugwerk/plcsense"
      ],
      "env": {
        "PLCSENSE_LICENSE_KEY": "${input:plcsense-license-key}"
      }
    }
  }
}

VS Code prompts for each input the first time the server starts, so no secret is written to the file. VS Code docs

plcsense in other clients

plcsense MCP server