diff --git a/packages/ui-patterns/src/McpUrlBuilder/assets/antigravity-authenticate-screenshot.png b/packages/ui-patterns/src/McpUrlBuilder/assets/antigravity-authenticate-screenshot.png
new file mode 100644
index 0000000000..e661c770b5
Binary files /dev/null and b/packages/ui-patterns/src/McpUrlBuilder/assets/antigravity-authenticate-screenshot.png differ
diff --git a/packages/ui-patterns/src/McpUrlBuilder/constants.tsx b/packages/ui-patterns/src/McpUrlBuilder/constants.tsx
index 596a8ba9cb..7aadf7137d 100644
--- a/packages/ui-patterns/src/McpUrlBuilder/constants.tsx
+++ b/packages/ui-patterns/src/McpUrlBuilder/constants.tsx
@@ -1,5 +1,7 @@
+import Image from 'next/image'
 import { CodeBlock } from 'ui-patterns/CodeBlock'
 
+import antigravityAuthenticateScreenshot from './assets/antigravity-authenticate-screenshot.png'
 import type {
   AntigravityMcpConfig,
   ClaudeCodeMcpConfig,
@@ -336,10 +338,18 @@ export const MCP_CLIENTS: McpClient[] = [
           servers.
         </p>
         <p className="text-xs text-foreground-light">
-          If you run into authentication issues, open the command palette and run{' '}
-          <strong>Authentication: Remove Dynamic Authentication Providers</strong> to clear cached
-          OAuth credentials and re-authenticate.
+          If you run into authentication issues, open Agent Settings with <strong>Cmd+,</strong>{' '}
+          (Mac) or <strong>Ctrl+,</strong> (Windows/Linux), navigate to the{' '}
+          <strong>Customizations</strong> tab, and click the <strong>Authenticate</strong> button
+          next to the Supabase server.
         </p>
+        <Image
+          src={antigravityAuthenticateScreenshot}
+          alt="Antigravity MCP server settings showing the Authenticate button next to the Supabase server"
+          width={1316}
+          height={258}
+          className="rounded border border-muted w-full"
+        />
       </div>
     ),
   },
diff --git a/packages/ui-patterns/src/types/assets.d.ts b/packages/ui-patterns/src/types/assets.d.ts
index adb1bc31db..31d6fe6373 100644
--- a/packages/ui-patterns/src/types/assets.d.ts
+++ b/packages/ui-patterns/src/types/assets.d.ts
@@ -7,3 +7,8 @@ declare module '*.svg' {
   const content: any
   export default content
 }
+
+declare module '*.png' {
+  const content: string
+  export default content
+}