OPC UA MCP Server vs Prometheus MCP Server

A side-by-side comparison of two Monitoring & Observability servers — tools, transport, auth, maintenance, and copy-paste config for each.

	OPC UA MCP Server Connect AI agents to OPC UA industrial systems to monitor, analyze, and control operational data in real time. Unverified stdio (local) No auth Stale Python	Prometheus MCP Server Run PromQL queries and analyze Prometheus metrics from any MCP client. Verified stdio (local) No auth Python
Category	Monitoring & Observability	Monitoring & Observability
Language	Python	Python
Transport	stdio (local)	stdio (local)
Auth	None	None
GitHub stars	27	340
Last commit	8 months ago	1 month ago
Verified
Actively maintained
Install	`git clone https://github.com/kukapay/opcua-mcp.git && cd opcua-mcp && pip install mcp[cli] opcua cryptography`	`uvx prometheus-mcp-server`
Repo	Open	Open

Verdict

Pick OPC UA MCP Server if you prefer its approach (connect ai agents to opc ua industrial systems to monitor, analyze, and control operational data in real time).

Pick Prometheus MCP Server if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Add OPC UA MCP Server

Install / run

git clone https://github.com/kukapay/opcua-mcp.git && cd opcua-mcp && pip install mcp[cli] opcua cryptography

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "opc-ua-mcp-server": {
      "command": "python",
      "args": [
        "path/to/opcua_mcp/main.py"
      ],
      "env": {
        "OPCUA_SERVER_URL": "your-opc-ua-server-url"
      }
    }
  }
}

Add Prometheus MCP Server

Install / run

uvx prometheus-mcp-server

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "prometheus-mcp-server": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "PROMETHEUS_URL",
        "ghcr.io/pab1it0/prometheus-mcp-server:latest"
      ],
      "env": {
        "PROMETHEUS_URL": "<your-prometheus-url>"
      }
    }
  }
}

Requires Docker to be installed and running.

FAQ

OPC UA MCP Server or Prometheus MCP Server — which is better?

Pick OPC UA MCP Server if you prefer its approach (connect ai agents to opc ua industrial systems to monitor, analyze, and control operational data in real time). Pick Prometheus MCP Server if you prefer the more popular, battle-tested option, and you want a verified, documented setup.

Can I use both OPC UA MCP Server and Prometheus MCP Server?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do OPC UA MCP Server and Prometheus MCP Server work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View OPC UA MCP Server →View Prometheus MCP Server →More comparisons →