mcp-langfuse

# MCP Server for langfuse [](https://www.npmjs.com/package/shouting-mcp-langfuse) A Model Context Protocol (MCP) server implementation for integrating AI assistants with Langfuse workspaces. ## Overview This package provides an MCP server that enables AI assistants to interact with Langfuse workspaces. It allows AI models to: - Query LLM Metrics by Time Range ## Installation ```bash # Install from npm npm install shouting-mcp-langfuse # Or install globally npm install -g shouting-mcp-langfuse ``` You can find the package on npm: [shouting-mcp-langfuse](https://www.npmjs.com/package/shouting-mcp-langfuse/access) ## Prerequisites Before using the server, you need to create a Langfuse project and obtain your project's public and private keys. You can find these keys in the Langfuse dashboard. 1. set up a Langfuse project 2. get the public and private keys 3. set the environment variables ## Configuration The server requires the following environment variables: - `LANGFUSE_DOMAIN`: The Langfuse domain (default: `https://api.langfuse.com`) - `LANGFUSE_PUBLIC_KEY`: Your Langfuse Project Public Key - `LANGFUSE_PRIVATE_KEY`: Your Langfuse Project Private Key ## Usage ### Running as a CLI Tool ```bash # Set environment variables export LANGFUSE_DOMAIN="https://api.langfuse.com" export LANGFUSE_PUBLIC_KEY="your-public-key" export LANGFUSE_PRIVATE_KEY="your-private # Run the server mcp-server-langfuse ``` ### Using in Your Code ```typescript import { Server } from "@modelcontextprotocol/sdk/server/index.js"; import { langfuseClient } from "shouting-mcp-langfuse"; // Initialize the server and client const server = new Server({...}); const langfuseClient = new LangfuseClient(process.env.LANGFUSE_DOMAIN, process.env.LANGFUSE_PUBLIC_KEY, process.env.LANGFUSE_PRIVATE_KEY); // Register your custom handlers // ... ``` ## Available Tools The server provides the following langfuse integration tools: - `getLLMMetricsByTimeRange`: Get LLM Metrics by Time Range ## License ISC ## Author shouting.hsiao@gmail.com ## Repository https://github.com/z9905080/mcp-langfuse