How to install Modelcontextprotocol Core 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 Modelcontextprotocol Core by running "gemini mcp add modelcontextprotocol-core npx -y @depup/modelcontextprotocol__core", then type /mcp to check it.
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Run the install command
In a terminal, run:
gemini mcp add modelcontextprotocol-core npx -y @depup/modelcontextprotocol__core - 2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.
MCP servers run with your permissions. If Modelcontextprotocol Core needs an API key, add it under env in the config. Check its README.
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Questions
Does Modelcontextprotocol Core work in Gemini CLI?
Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Modelcontextprotocol Core installs with the steps above.
Modelcontextprotocol Core 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 Modelcontextprotocol Core safe?
It scores 88 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
