Langfuse API

io.github.rodrigorjsf/langfuse-api-mcp

Langfuse public API (Cloud and self-hosted): traces, prompts, datasets and gated writes.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "langfuse-api-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "langfuse-api-mcp@0.2.0"
      ],
      "env": {
        "LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
        "LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
        "LANGFUSE_BASE_URL": "<your LANGFUSE_BASE_URL>"
      }
    }
  }
}
Environment variables
  • LANGFUSE_PUBLIC_KEYrequiredsecretThe project's public key (pk-lf-...).
  • LANGFUSE_SECRET_KEYrequiredsecretThe project's secret key (sk-lf-...).
  • LANGFUSE_BASE_URLrequiredYour Langfuse host, e.g. https://cloud.langfuse.com; https only, http only for localhost.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.2.0
Registry
active
Published
10/15/2026

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Langfuse API — listed on Serverdex

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Markdown — for your README

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Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.