diff --git a/website/layouts/LayoutDefault.tsx b/website/layouts/LayoutDefault.tsx
index eeab83bb2..d08ff81df 100644
--- a/website/layouts/LayoutDefault.tsx
+++ b/website/layouts/LayoutDefault.tsx
@@ -62,6 +62,7 @@ export default function LayoutDefault({ children }: { children: React.ReactNode
             <NavMark />
             <div className={layout.navigationLinks} ref={navigationRef}>
               <NavItem href="/blog">Blog</NavItem>
+              <NavItem href="/assistent">Assistant</NavItem>
               <NavItem href="/quantum">Quantum</NavItem>
               <NavItem href="/lab">Lab</NavItem>
               <OwnerNavLinks />
diff --git a/website/pages/index/+Page.tsx b/website/pages/index/+Page.tsx
index d445e760f..d280c3523 100644
--- a/website/pages/index/+Page.tsx
+++ b/website/pages/index/+Page.tsx
@@ -38,10 +38,15 @@ export default function Page() {
             description="Game theory and economics, quantum physics, and what I learned building on the web."
             link="/blog"
           />
+          <Card
+            title="Assistant"
+            description="An AI assistant that actually looks things up — pay as you go with stablecoins, no account."
+            link="/assistent"
+          />
           <Card title="Quantum" description="Tutorials and notes on quantum, AMO and more." link="/quantum" />
           <Card
             title="Lab"
-            description="AI image generation, chat assistant, and blockchain-based payments — experiments running on Optimism and Base."
+            description="AI image generation and blockchain-based payments — experiments running on Optimism and Base."
             link="/lab"
           />
         </CardList>
diff --git a/website/pages/lab/+Page.tsx b/website/pages/lab/+Page.tsx
index f805d2673..b7adeb17c 100644
--- a/website/pages/lab/+Page.tsx
+++ b/website/pages/lab/+Page.tsx
@@ -19,12 +19,6 @@ const LabPage: React.FC = () => {
           link="/imagegen"
         />
 
-        <Card
-          title="AI Assistant"
-          description="Chat with an AI assistant. Pay per message with x402 batch-settlement stablecoin payment channels — no prepaid balance."
-          link="/assistent"
-        />
-
         <Card
           title="x402"
           description="Pay per request, verified and settled on-chain — no accounts, no signup. This site runs all three roles: buyer, seller, and the facilitator connecting them."
diff --git a/website/test/territory.test.ts b/website/test/territory.test.ts
index c4d8d072a..4dfd13eeb 100644
--- a/website/test/territory.test.ts
+++ b/website/test/territory.test.ts
@@ -21,8 +21,10 @@ describe("territoryFor", () => {
     expect(territoryFor("/quantum/qml/3")).toBe("voice");
   });
 
-  it("gives the lab and everything reachable from it one hue", () => {
-    // The point of the map: following a card from /lab must not change colour.
+  it("gives the tool pages one hue — the lab's children and the nav-promoted assistant", () => {
+    // The point of the map: following a card from /lab must not change colour. The
+    // assistant moved out of the lab into the nav, but it is a tool page all the
+    // same, so it keeps the explore hue rather than the writing blue.
     for (const path of ["/lab", "/imagegen", "/x402", "/assistent", "/agent-onboarding"]) {
       expect(territoryFor(path), path).toBe("explore");
     }
diff --git a/website/utils/territory.ts b/website/utils/territory.ts
index a6d06e1e0..e2ce1d43a 100644
--- a/website/utils/territory.ts
+++ b/website/utils/territory.ts
@@ -4,11 +4,13 @@
  * Two page territories:
  *
  *   voice   — brand blue   writing and navigation: home, blog, quantum notes, articles
- *   explore — purple       the lab: the experiments, and every tool reachable from it
+ *   explore — purple       the tool pages: the lab and everything reachable from it,
+ *                           plus the assistant, which has its own nav entry
  *
- * Quantum is `voice`, not `explore`: it is writing, the same as the blog. And the lab's
+ * Quantum is `voice`, not `explore`: it is writing, the same as the blog. The lab's
  * children (`/imagegen`, `/x402`, …) carry the lab's hue — they *are* its contents, so
- * following a card from `/lab` must not change colour.
+ * following a card from `/lab` must not change colour. The assistant is not a lab
+ * child anymore, but it is a tool page all the same, so it keeps the same hue.
  *
  * Orange is deliberately absent here. It means value exchange — collect, support, tip, pay
  * — which is a property of *actions*, not of pages, so it lives on buttons only. Using it