AI Plugin IndexHow to install Agent Brain Sync 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 Agent Brain Sync by running "gemini mcp add agent-brain-sync npx -y @fanchao8609/agent_brain_sync", then type /mcp to check it.
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Run the install command
In a terminal, run:
gemini mcp add agent-brain-sync npx -y @fanchao8609/agent_brain_sync - 2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.
MCP servers run with your permissions. If Agent Brain Sync needs an API key, add it under env in the config. Check its README.
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Questions
Does Agent Brain Sync work in Gemini CLI?
Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Agent Brain Sync installs with the steps above.
Agent Brain Sync 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 Agent Brain Sync safe?
It scores 79 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.