How to install MCP Server Langfuse 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 MCP Server Langfuse by running "gemini mcp add mcp-server-langfuse npx -y @mseep/mcp-server-langfuse", then type /mcp to check it.

Built from the published package · server updated 18 months ago

Run the install command

In a terminal, run:

gemini mcp add mcp-server-langfuse npx -y @mseep/mcp-server-langfuse

2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.

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

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Questions

Does MCP Server Langfuse work in Gemini CLI?

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

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

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

Is MCP Server Langfuse safe?

It scores 23 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.