How to install Observability 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 Observability by running "gemini mcp add observability npx -y @frontmcp/observability", then type /mcp to check it.

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Run the install command

In a terminal, run:

gemini mcp add observability npx -y @frontmcp/observability

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

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

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Questions

Does Observability work in Gemini CLI?

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

Observability 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 Observability safe?

It scores 80 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.