How to install Ig Harness MCP Server 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 Ig Harness MCP Server by running "gemini mcp add ig-harness-mcp-server npx -y @ig-harness/mcp-server", then type /mcp to check it.
Built from the published package · server updated 12 days ago
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Run the install command
In a terminal, run:
gemini mcp add ig-harness-mcp-server npx -y @ig-harness/mcp-server - 2
Check it
Inside Gemini CLI, type /mcp to list servers and tools.
MCP servers run with your permissions. If Ig Harness MCP Server needs an API key, add it under env in the config. Check its README.
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Questions
Does Ig Harness MCP Server work in Gemini CLI?
Yes. Gemini CLI supports local and remote mcp servers, extensions (legacy), and Ig Harness MCP Server installs with the steps above.
Ig Harness MCP Server 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 Ig Harness MCP Server safe?
It scores 76 of 100. Review the code before you install it, and only give it the access it needs. Grades and details.
