AI Plugin Index
How to install slack 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 by running "gemini mcp add slack npx -y slack-workspace-mcp-server", then type /mcp to check it.
Built from the published package · server updated 11 days ago
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Run the install command
In a terminal, run:
gemini mcp add slack npx -y slack-workspace-mcp-server - 2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.
MCP servers run with your permissions. If slack needs an API key, add it under env in the config. Check its README.
Install slack in another app
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Questions
Does slack work in Gemini CLI?
Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and slack installs with the steps above.
slack 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 safe?
It scores 84 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.