docs: Fix Antigravity docs (#605)

README.md

@@ -66,16 +66,16 @@ amp mcp add chrome-devtools -- npx chrome-devtools-mcp@latest
 <details>
   <summary>Antigravity</summary>
 
-To use the Chrome DevTools MCP server, disable the built-in browser in the settings and add the following config to ` ~/.gemini/antigravity/mcp_config.json`:
+To use the Chrome DevTools MCP server follow the instructions from <a href="https://antigravity.google/docs/mcp">Antigravity's docs<a/> to install a custom MCP server. Add the following config to the MCP servers config:
 
 ```bash
 {
   "mcpServers": {
     "chrome-devtools": {
-      "type": "stdio",
       "command": "npx",
       "args": [
         "chrome-devtools-mcp@latest",
+        "--browser-url=http://127.0.0.1:9222",
         "-y"
       ]
     }
@@ -83,6 +83,8 @@ To use the Chrome DevTools MCP server, disable the built-in browser in the setti
 }
 ```
 
+This will make the Chrome DevTools MCP server automatically connect to the browser that Antigravity is using. If you are not using port 9222, make sure to adjust accordingly.
+
 </details>
 
 <details>