diff --git a/apps/specimens/src/app.tsx b/apps/specimens/src/app.tsx
index df60ffd..c1ff190 100644
--- a/apps/specimens/src/app.tsx
+++ b/apps/specimens/src/app.tsx
@@ -5,7 +5,9 @@ import {
   AttachmentChip,
   BudgetPill,
   Button,
+  buttonVariants,
   Card,
+  cn,
   ContextMeter,
   MetricDisplay,
   ModeSwitch,
@@ -26,6 +28,7 @@ import { ArrowUpRight, Link2, Moon, SearchX, Sun, X } from "lucide-react";
 import { type ReactNode, useEffect, useMemo, useRef, useState } from "react";
 
 import { ComposerDemo, RunRailDemo } from "./block-demos";
+import { repository } from "./catalog";
 import { CodeSnippet } from "./code-snippet";
 import { ComponentPreview } from "./component-preview";
 import { Lab } from "./lab";
@@ -37,6 +40,16 @@ import {
 } from "./examples";
 
 const density = "compact";
+
+// lucide-react 1.x no longer ships brand marks, so the GitHub mark is inlined.
+function GitHubMark() {
+  return (
+    <svg viewBox="0 0 24 24" fill="currentColor" aria-hidden="true">
+      <path d="M12 .3a12 12 0 0 0-3.8 23.38c.6.12.83-.26.83-.57v-2.02c-3.34.73-4.04-1.61-4.04-1.61-.55-1.39-1.34-1.76-1.34-1.76-1.09-.74.08-.73.08-.73 1.2.09 1.84 1.24 1.84 1.24 1.07 1.83 2.8 1.3 3.49 1 .1-.78.42-1.3.76-1.6-2.67-.3-5.47-1.33-5.47-5.93 0-1.31.47-2.38 1.24-3.22-.14-.3-.54-1.52.1-3.18 0 0 1-.32 3.3 1.23a11.5 11.5 0 0 1 6 0c2.28-1.55 3.29-1.23 3.29-1.23.64 1.66.24 2.88.12 3.18a4.65 4.65 0 0 1 1.23 3.22c0 4.61-2.8 5.63-5.48 5.92.42.36.81 1.1.81 2.22v3.29c0 .32.21.7.82.58A12 12 0 0 0 12 .3" />
+    </svg>
+  );
+}
+
 type Scheme = "light" | "dark";
 type SpecimenGroup = "Composer" | "Run rail" | "Blocks";
 
@@ -800,6 +813,19 @@ function App() {
               </div>
             ) : null}
             <div className="specimen-topbar__actions">
+              <a
+                href={repository}
+                target="_blank"
+                rel="noopener noreferrer"
+                className={cn(
+                  buttonVariants({ variant: "ghost" }),
+                  "repository-control",
+                )}
+                aria-label="OpenCoven UI on GitHub"
+                title="OpenCoven UI on GitHub"
+              >
+                <GitHubMark />
+              </a>
               <Button
                 variant="ghost"
                 className="scheme-control"
diff --git a/apps/specimens/src/specimens.css b/apps/specimens/src/specimens.css
index 54d59b0..9d624d7 100644
--- a/apps/specimens/src/specimens.css
+++ b/apps/specimens/src/specimens.css
@@ -158,7 +158,8 @@ body {
   -webkit-appearance: none;
 }
 
-.scheme-control {
+.scheme-control,
+.repository-control {
   flex: none;
   width: 2.25rem;
   height: 2.25rem;
@@ -167,7 +168,8 @@ body {
   white-space: nowrap;
 }
 
-.scheme-control svg {
+.scheme-control svg,
+.repository-control svg {
   width: 0.875rem;
   height: 0.875rem;
 }
@@ -1091,7 +1093,8 @@ p > .hljs {
     height: 2.75rem;
   }
 
-  .scheme-control {
+  .scheme-control,
+  .repository-control {
     width: 2.75rem;
     height: 2.75rem;
     min-height: 2.75rem;
@@ -1106,12 +1109,14 @@ p > .hljs {
 
 @media (pointer: coarse) and (min-width: 68.01rem) {
   .specimen-search input,
-  .scheme-control {
+  .scheme-control,
+  .repository-control {
     height: 2.75rem;
     min-height: 2.75rem;
   }
 
-  .scheme-control {
+  .scheme-control,
+  .repository-control {
     width: 2.75rem;
   }