Skip to content
mcp/harbor
LangChain

PLCGateway for LangChain

com.plcgateway/plcgateway

Ask your plant: live PLC data, alarms, history, OEE and reports from your on-premises PLCGateway.

client:LangChain transport:stdio runtime:npm

Install PLCGateway in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "plcgateway": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "@plcgateway/mcp"],
        }
})

tools = await client.get_tools()

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

PLCGateway in other clients

PLCGateway MCP server