Google Antigravity

Add Darwin once at the user level or keep the configuration local to one workspace.

{
  "mcpServers": {
    "darwin": {
      "serverUrl": "https://mcp.darwin.so/mcp"
    }
  }
}

Antigravity can begin OAuth automatically for compatible remote servers, so the configuration contains no Darwin credential. Complete authorization through the client instead of adding a token to the JSON file. Open Settings → Customizations → Installed MCP Servers or run /mcp in the CLI. Save the same object in .agents/mcp_config.json for one workspace. Reload, complete OAuth, and keep Action mutations in Ask mode.

Search Darwin for a harmless capability. Show the exact capability ID and
revision, and stop before starting an Action.

Antigravity’s MCP permission setting controls whether the client may call a tool. It does not replace Darwin approval, payment, authentication, or verification interactions.

Google documents custom installation but no public third-party MCP Store submission path. Open the checked configuration or Google’s MCP guide.

Last modified on September 22, 2026

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Google Antigravity