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How to install Langfuse MCP in Gemini CLI

Gemini CLI was replaced by Antigravity CLI in June 2026. On an enterprise licence or paid API key you can still install Langfuse MCP by running "gemini mcp add langfuse-mcp uvx langfuse-mcp", then type /mcp to check it.

Built from the published package · server updated 12 days ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add langfuse-mcp uvx langfuse-mcp
  2. 2

    Check it

    Inside Gemini CLI, type /mcp to list servers and tools.

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

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Questions

Does Langfuse MCP work in Gemini CLI?

Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Langfuse MCP installs with the steps above.

Langfuse MCP does not show up in Gemini CLI. What now?

Restart Gemini CLI fully, check the JSON is valid, and make sure uv (for uvx) is installed. See common MCP errors and fixes.

Is Langfuse MCP safe?

It scores 78 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.