Sparkplug B MCP Server

What the code does

We read the source, 8 h ago · rules 3dff92dd89df

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

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Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add sparkplug-b -- uvx sparkplug-b-mcp-server

{
  "mcpServers": {
    "sparkplug-b": {
      "args": [
        "sparkplug-b-mcp-server"
      ],
      "command": "uvx"
    }
  }
}

[mcp_servers.sparkplug-b]
command = "uvx"
args = ["sparkplug-b-mcp-server"]

{
  "mcpServers": {
    "sparkplug-b": {
      "args": [
        "sparkplug-b-mcp-server"
      ],
      "command": "uvx"
    }
  }
}

{
  "mcpServers": {
    "sparkplug-b": {
      "args": [
        "sparkplug-b-mcp-server"
      ],
      "command": "uvx"
    }
  }
}

This one needs environment variables set before it will start: SPARKPLUG_MQTT_HOST (MQTT broker hostname or IP.), SPARKPLUG_HOST_ID (This connector's Sparkplug Host Application ID (used in the spBv1.0/STATE/{id} topic).), SPARKPLUG_MQTT_PORT (MQTT broker port, default 1883), SPARKPLUG_MQTT_USERNAME (Broker username, if required), SPARKPLUG_MQTT_PASSWORD (Broker password, if required), SPARKPLUG_MQTT_USE_TLS (true/false, default false), SPARKPLUG_GROUP_ID (Restrict discovery/watching to a single Sparkplug Group ID; omit to subscribe to every group). The author declared them in the registry entry; get the values from the project itself.