Langfuse MCP

io.github.avivsinai/langfuse-mcp

Langfuse MCP server for accessing and analyzing telemetry data via natural language

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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-mcp": {
      "command": "uvx",
      "args": [
        "langfuse-mcp"
      ],
      "env": {
        "LANGFUSE_PUBLIC_KEY": "<your LANGFUSE_PUBLIC_KEY>",
        "LANGFUSE_SECRET_KEY": "<your LANGFUSE_SECRET_KEY>",
        "LANGFUSE_HOST": "https://cloud.langfuse.com",
        "LANGFUSE_MCP_READ_ONLY": "false"
      }
    }
  }
}
Environment variables
  • LANGFUSE_PUBLIC_KEYrequiredsecretLangfuse public API key
  • LANGFUSE_SECRET_KEYrequiredsecretLangfuse secret API key
  • LANGFUSE_HOSTLangfuse API base URL (Cloud or self-hosted)
  • LANGFUSE_MCP_READ_ONLYSet true to disable write tools

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

Category
Developer Tools
Version
0.14.0
Registry
active
Published
10/25/2026

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