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How to install Slack Claude Code Integration 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 Slack Claude Code Integration by running "gemini mcp add slack-claude-code-integration npx -y slack-claude-code-integration", then type /mcp to check it.

Built from the published package · server updated 8 months ago

  1. 1

    Run the install command

    In a terminal, run:

    gemini mcp add slack-claude-code-integration npx -y slack-claude-code-integration
  2. 2

    Check it

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

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

Install Slack Claude Code Integration in another app

Claude CodeClaude DesktopCursor VS CodeWindsurf Codex Antigravity CLI ChatGPT

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Questions

Does Slack Claude Code Integration work in Gemini CLI?

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

Slack Claude Code Integration 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 Slack Claude Code Integration safe?

It scores 39 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.