How to install Prometheus 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 Prometheus MCP by running "gemini mcp add prometheus-mcp npx -y prometheus-mcp", then type /mcp to check it.

Built from the published package · server updated 8 months ago

Run the install command

In a terminal, run:

gemini mcp add prometheus-mcp npx -y prometheus-mcp

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

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

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Questions

Does Prometheus MCP work in Gemini CLI?

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

Prometheus MCP 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 Prometheus MCP safe?

It scores 57 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.