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

Built from the published package · server updated 23 days ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add postfleet npx -y @postfleet/mcp
  2. 2

    Check it

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

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

Install Postfleet in another app

Similar servers

Questions

Does Postfleet work in Gemini CLI?

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

Postfleet 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 Postfleet safe?

It scores 76 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.