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How to install 3ngram Server 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 3ngram Server by running "gemini mcp add 3ngram-server npx -y @3ngram/server", then type /mcp to check it.

Built from the published package · server updated yesterday

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add 3ngram-server npx -y @3ngram/server
  2. 2

    Check it

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

MCP servers run with your permissions. If 3ngram Server needs an API key, add it under env in the config. Check its README.

Install 3ngram Server in another app

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Questions

Does 3ngram Server work in Gemini CLI?

Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and 3ngram Server installs with the steps above.

3ngram Server 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 3ngram Server safe?

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