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mcp/harbor
LangChain

Sparkplug B for LangChain

io.github.nagarjunr/sparkplug-b

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

client:LangChain transport:stdio runtime:pypi

Install Sparkplug B in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "sparkplug-b": {
            "transport": "stdio",
            "command": "uvx",
            "args": ["sparkplug-b-mcp-server"],
        }
})

tools = await client.get_tools()

get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs

Sparkplug B in other clients

Sparkplug B MCP server