diff --git a/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/EndpointRouteBuilderExtensions.cs b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/EndpointRouteBuilderExtensions.cs
new file mode 100644
index 0000000..90f7a30
--- /dev/null
+++ b/src/Server/ZB.MOM.WW.OtOpcUa.AdminUI/EndpointRouteBuilderExtensions.cs
@@ -0,0 +1,33 @@
+using Microsoft.AspNetCore.Builder;
+using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Web;
+using Microsoft.AspNetCore.Routing;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace ZB.MOM.WW.OtOpcUa.AdminUI;
+
+public static class EndpointRouteBuilderExtensions
+{
+    /// <summary>
+    /// Mounts the AdminUI Razor components and the AdminUI static asset pipeline at the root.
+    /// Call from the fused Host's Program.cs alongside <c>app.MapOtOpcUaAuth()</c>.
+    ///
+    /// Razor component migration from legacy <c>OtOpcUa.Admin/Components/</c> is staged for
+    /// follow-up F15 — 47 .razor files plus codebehind. Until then this extension wires the
+    /// Blazor pipeline but the only built-in components are the v2-native ones added in this
+    /// library (e.g. <c>Deployments</c>, Task 52).
+    /// </summary>
+    public static IEndpointRouteBuilder MapAdminUI<TApp>(this IEndpointRouteBuilder app)
+        where TApp : IComponent
+    {
+        app.MapRazorComponents<TApp>()
+            .AddInteractiveServerRenderMode();
+        return app;
+    }
+
+    public static IServiceCollection AddAdminUI(this IServiceCollection services)
+    {
+        services.AddRazorComponents().AddInteractiveServerComponents();
+        return services;
+    }
+}