OPC-UA MCP Server

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

Packages and local setup

The published oci package is ghcr.io/mwieczorkiewicz/opcua-mcp:main-29734c4. Its declared MCP transport is stdio.

The package declares OPCUA_ENDPOINT (required): OPC-UA server endpoint to connect to, e.g. opc.tcp://your-plc-host:4840; OPCUA_AUTH_MODE: Authentication mode against the OPC-UA server; OPCUA_USERNAME: Username, required if OPCUA_AUTH_MODE=username; OPCUA_PASSWORD: Password, required if OPCUA_AUTH_MODE=username; OPCUA_SECURITY_POLICY: OPC-UA transport security policy, e.g. Basic256Sha256; OPCUA_SECURITY_MODE: OPC-UA transport security mode, e.g. SignAndEncrypt; SERVER_TRANSPORT: MCP transport: stdio (for local MCP clients) or http (for remote/hosted deployments).

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository · Project website. This profile uses version 1.0.0 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

Browse related other integrations MCP servers for tools that cover the same kind of work.