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How to install Langfuse MCP in Cursor

To install Langfuse MCP in Cursor, click "Add to Cursor" on this page or paste the "langfuse-mcp" block into ~/.cursor/mcp.json, then check for a green dot in Cursor Settings under MCP.

Built from the published package · server updated 4 months ago

  1. 1

    One click (fastest)

    Click the button to open Cursor with this server ready to add.

    Add Langfuse MCP to Cursor
  2. 2

    Or add it by hand

    Open Cursor Settings, then MCP, then Add new MCP server, or edit mcp.json directly and paste:

    {
      "mcpServers": {
        "langfuse-mcp": {
          "command": "npx",
          "args": [
            "-y",
            "langfuse-mcp"
          ]
        }
      }
    }
  3. 3

    Turn it on

    In Settings, MCP, make sure the server shows a green dot. Use it in Agent mode.

Config file: ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project)

MCP servers run with your permissions. If Langfuse MCP needs an API key, add it under env in the config. Check its README.

Install Langfuse MCP in another app

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Questions

Does Langfuse MCP work in Cursor?

Yes. Cursor supports local and remote mcp servers, and Langfuse MCP installs with the steps above.

Langfuse MCP does not show up in Cursor. What now?

Restart Cursor fully, check the JSON is valid, and make sure Node.js (for npx) is installed. See common MCP errors and fixes.

Is Langfuse MCP safe?

It scores 62 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.