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TL;DR

Langfuse is a AI & ML MCP server that lets Claude Code, Cursor, Windsurf and any MCP-compatible AI agent open-source LLM observability. Install in 1 minute with mcpizy install langfuse.

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Langfuse

Verified

AI & ML

Last updated May 30, 2026 · By MCPizy team

Open-source LLM observability. Collaborative prompt editing, tracing, and evaluation.

Install Langfuse

Via MCPizy CLI (recommended):
mcpizy install langfuse
Or run directly:
npx -y @langfuse/mcp-server
View on GitHub

Works with

Claude Code
Claude Desktop
Cursor
Windsurf
VS Code + Copilot
Any MCP Client

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Key Takeaways

  • Langfuse exposes an MCP interface for ai & ml workflows in Claude Code, Cursor and Windsurf.
  • No authentication required — works out of the box once installed.
  • Install in 1 command: mcpizy install langfuse — config written to your client automatically.
  • Free and open source (GitHub source linked above) — verified compatible with every MCP client (Claude Code, Claude Desktop, Cursor, Windsurf, VS Code + Copilot).
  • Best use case: automate ai & ml workflows from your AI agent without leaving the editor.

Frequently asked questions

What is the Langfuse MCP server?

The Langfuse MCP server is an AI & ML Model Context Protocol server that lets Claude Code, Cursor, Windsurf, VS Code with Copilot, and other MCP-compatible AI agents open-source LLM observability. It exposes Langfuse's capabilities as tools the AI can call directly from your editor or CLI.

How do I install Langfuse MCP with Claude Code?

The fastest way is the MCPizy CLI: run `mcpizy install langfuse` and MCPizy will add the server to your `.claude.json` automatically. You can also install it manually by adding an entry under `mcpServers` in `.claude.json` with the command `npx -y @langfuse/mcp-server` and restarting Claude Code.

Is Langfuse MCP free?

Yes. The Langfuse MCP server is free and open source (see the GitHub repository linked on this page). You may still need a Langfuse account or API key to connect the server to the underlying service, but the MCP layer itself has no MCPizy subscription cost.

Does Langfuse MCP work with Cursor and Windsurf?

Yes. Any MCP-compatible client works — including Claude Code, Claude Desktop, Cursor (via `.cursor/mcp.json`), Windsurf, VS Code with Copilot Chat, and custom agents built on the MCP SDK. The same install command targets all of them; only the config file path differs.

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What can I do with Langfuse MCP?

Once installed, your AI agent can open-source LLM observability directly inside your conversation. Typical use cases include asking Claude Code or Cursor to run Langfuse operations, inspect results, chain Langfuse with other MCP servers (see our Workflow Recipes), and automate repetitive ai & ml tasks without leaving your editor.