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Grok

NexusWindows for Antigravity for Grok

io.github.pironjulien/nexus-windows-antigravity

Windows computer use in the background for Antigravity: UI Automation, Win32 messages, read back.

client:Grok transport:stdio runtime:pypi

Install NexusWindows for Antigravity in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "nexus-windows-antigravity": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "nexus-windows-antigravity"
      ],
      "env": {
        "PYTHONUTF8": "<PYTHONUTF8>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

NexusWindows for Antigravity in other clients

NexusWindows for Antigravity MCP server