OPC-UA MCP Server: Install & Setup

Install OPC-UA in Claude Code

Claude Code

claude mcp add opc-ua -e OPCUA_ENDPOINT=... -- docker run -i --rm -e OPCUA_ENDPOINT ghcr.io/mwieczorkiewicz/opcua-mcp:main-29734c4

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "opc-ua": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "OPCUA_ENDPOINT",
        "ghcr.io/mwieczorkiewicz/opcua-mcp:main-29734c4"
      ],
      "env": {
        "OPCUA_ENDPOINT": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the OPC-UA MCP server do?

Read, write, browse, search, and subscribe to live data on an OPC-UA industrial automation server.

Is the OPC-UA MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does OPC-UA run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add OPC-UA to Claude Code?

Run: claude mcp add opc-ua -e OPCUA_ENDPOINT=... -- docker run -i --rm -e OPCUA_ENDPOINT ghcr.io/mwieczorkiewicz/opcua-mcp:main-29734c4

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