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mcp/harbor
LangChain

langfuse for LangChain

com.pulsemcp/langfuse

MCP server for Langfuse LLM observability — trace and observation analysis.

client:LangChain transport:stdio runtime:npm

Install langfuse in LangChain

pip install langchain-mcp-adapters 

from langchain_mcp_adapters.client import MultiServerMCPClient

client = MultiServerMCPClient({
        "langfuse": {
            "transport": "stdio",
            "command": "npx",
            "args": ["-y", "langfuse-observability-mcp-server"],
        }
})

tools = await client.get_tools()

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

langfuse in other clients

langfuse MCP server