Sparkplug B MCP Server

by nagarjunrio.github.nagarjunr/sparkplug-bv0.1.0

MCP server for Sparkplug B: node/device discovery, metrics, commands, host state over MQTT.

0Pythonstdioofficial registry

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freshness

Maintained2mo ago

Install Sparkplug B MCP server

claude mcp add sparkplug-b -e SPARKPLUG_MQTT_HOST='<sparkplug-mqtt-host>' -e SPARKPLUG_HOST_ID='<sparkplug-host-id>' -e SPARKPLUG_MQTT_PASSWORD='<sparkplug-mqtt-password>' -- uvx sparkplug-b-mcp-server

{
  "mcpServers": {
    "sparkplug-b": {
      "command": "uvx",
      "args": [
        "sparkplug-b-mcp-server"
      ],
      "env": {
        "SPARKPLUG_MQTT_HOST": "<sparkplug-mqtt-host>",
        "SPARKPLUG_HOST_ID": "<sparkplug-host-id>",
        "SPARKPLUG_MQTT_PASSWORD": "<sparkplug-mqtt-password>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "sparkplug-b": {
      "command": "uvx",
      "args": [
        "sparkplug-b-mcp-server"
      ],
      "env": {
        "SPARKPLUG_MQTT_HOST": "<sparkplug-mqtt-host>",
        "SPARKPLUG_HOST_ID": "<sparkplug-host-id>",
        "SPARKPLUG_MQTT_PASSWORD": "<sparkplug-mqtt-password>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "sparkplug-b": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "sparkplug-b-mcp-server"
      ],
      "env": {
        "SPARKPLUG_MQTT_HOST": "<sparkplug-mqtt-host>",
        "SPARKPLUG_HOST_ID": "<sparkplug-host-id>",
        "SPARKPLUG_MQTT_PASSWORD": "<sparkplug-mqtt-password>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "sparkplug-b": {
      "command": "uvx",
      "args": [
        "sparkplug-b-mcp-server"
      ],
      "env": {
        "SPARKPLUG_MQTT_HOST": "<sparkplug-mqtt-host>",
        "SPARKPLUG_HOST_ID": "<sparkplug-host-id>",
        "SPARKPLUG_MQTT_PASSWORD": "<sparkplug-mqtt-password>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
SPARKPLUG_MQTT_HOST	yes	—	MQTT broker hostname or IP.
SPARKPLUG_HOST_ID	yes	—	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	—	yes	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

Freshness

Maintained — last maintenance signal 2mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-08-04 · 2mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-08-04 · 2mo ago · official registry · v0.1.0

FAQ

›How do I install the Sparkplug B MCP server in Claude Code?

Run: claude mcp add sparkplug-b -e SPARKPLUG_MQTT_HOST='<sparkplug-mqtt-host>' -e SPARKPLUG_HOST_ID='<sparkplug-host-id>' -e SPARKPLUG_MQTT_PASSWORD='<sparkplug-mqtt-password>' -- uvx sparkplug-b-mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Sparkplug B require an API key?

Yes. It expects SPARKPLUG_MQTT_HOST, SPARKPLUG_HOST_ID, SPARKPLUG_MQTT_PASSWORD, of which 1 is a secret.

›Can I use Sparkplug B as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Sparkplug B in the official MCP registry?

Yes, as io.github.nagarjunr/sparkplug-b.