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MCP server for Sparkplug B: node/device discovery, metrics, commands, host state over MQTT.
50FairInstall
~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"nagarjunr-sparkplug-b": {
"command": "uvx",
"args": [
"sparkplug-b-mcp-server"
],
"env": {
"SPARKPLUG_MQTT_HOST": "",
"SPARKPLUG_HOST_ID": "",
"SPARKPLUG_MQTT_PORT": "",
"SPARKPLUG_MQTT_USERNAME": "",
"SPARKPLUG_MQTT_PASSWORD": "YOUR_SPARKPLUG_MQTT_PASSWORD",
"SPARKPLUG_MQTT_USE_TLS": "",
"SPARKPLUG_GROUP_ID": ""
}
}
}
}
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Environment
| Name | Required | Notes |
|---|
| 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 | No | MQTT broker port, default 1883 |
| SPARKPLUG_MQTT_USERNAME | No | Broker username, if required |
| SPARKPLUG_MQTT_PASSWORD | No | Broker password, if required Secret. |
| SPARKPLUG_MQTT_USE_TLS | No | true/false, default false |
| SPARKPLUG_GROUP_ID | No | Restrict discovery/watching to a single Sparkplug Group ID; omit to subscribe to every group |
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About
MCP server for Sparkplug B: node/device discovery, metrics, commands, host state over MQTT.
FAQ
- What is Sparkplug B?
- MCP server for Sparkplug B: node/device discovery, metrics, commands, host state over MQTT.
- How do I install Sparkplug B?
- Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.
- Is Sparkplug B official?
- No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.
- How is the trust score calculated?
- This listing scores 50 (Fair). The formula is published on the methodology page.
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