diff --git a/app/vibenet/demos/catalogue.test.ts b/app/vibenet/demos/catalogue.test.ts
index 12f029d..a0ffd52 100644
--- a/app/vibenet/demos/catalogue.test.ts
+++ b/app/vibenet/demos/catalogue.test.ts
@@ -44,10 +44,11 @@ describe('DEMOS', () => {
     expect(new Set(hrefs).size).toBe(hrefs.length);
   });
 
-  it('lists Validity Transactions as a top-level group', () => {
-    const validity = listedDemos().find((demo) => demo.href === '/vibenet/demos/validity');
+  it('keeps Validity Transactions reachable but hidden from the top-level grid', () => {
+    const validity = DEMOS.find((demo) => demo.href === '/vibenet/demos/validity');
     expect(validity?.title).toBe('Validity Transactions');
     expect(validity?.children?.map((demo) => demo.title)).toEqual(['Conditional Swaps', 'Race the Agent']);
+    expect(listedDemos()).not.toContain(validity);
   });
 });
 
diff --git a/app/vibenet/demos/catalogue.ts b/app/vibenet/demos/catalogue.ts
index 6aa8b24..83faa9d 100644
--- a/app/vibenet/demos/catalogue.ts
+++ b/app/vibenet/demos/catalogue.ts
@@ -67,6 +67,7 @@ export const DEMOS: DemoEntry[] = [
       'Build intent-like flows from ordinary account transactions',
     ],
     available: true,
+    listed: false,
     children: [
       {
         href: '/vibenet/demos/validity/conditional-swaps',