How do I install langfuse?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is langfuse official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 45 (Fair). The formula is published on the methodology page.

MCPpedia

langfuse MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

langfuse MCP Server

Name: langfuse MCP Server
Author: pulsemcp

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

Tools Versions Alternatives

Registrypulsemcp

45Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "pulsemcp-langfuse": {
      "command": "npx",
      "args": [
        "-y",
        "langfuse-observability-mcp-server@0.1.3"
      ],
      "env": {
        "LANGFUSE_SECRET_KEY": "YOUR_LANGFUSE_SECRET_KEY",
        "LANGFUSE_PUBLIC_KEY": "YOUR_LANGFUSE_PUBLIC_KEY",
        "LANGFUSE_BASE_URL": "https://cloud.langfuse.com"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
LANGFUSE_SECRET_KEY	Yes	Langfuse secret key for authentication. Secret.
LANGFUSE_PUBLIC_KEY	Yes	Langfuse public key for authentication. Secret.
LANGFUSE_BASE_URL	No	Langfuse API base URL.

langfuse MCP Server

Install

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