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How to install Plugin MCP Chat 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 Plugin MCP Chat by running "gemini mcp add plugin-mcp-chat npx -y @backstage-community/plugin-mcp-chat", then type /mcp to check it.

Built from the published package · server updated today

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add plugin-mcp-chat npx -y @backstage-community/plugin-mcp-chat
  2. 2

    Check it

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

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

Install Plugin MCP Chat in another app

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Questions

Does Plugin MCP Chat work in Gemini CLI?

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

Plugin MCP Chat 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 Plugin MCP Chat safe?

It scores 84 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.