diff --git a/ui/src/pages/apps/AppDetail.test.tsx b/ui/src/pages/apps/AppDetail.test.tsx
index 6a9f427424..08e86194c0 100644
--- a/ui/src/pages/apps/AppDetail.test.tsx
+++ b/ui/src/pages/apps/AppDetail.test.tsx
@@ -262,7 +262,10 @@ function personalGrant(overrides: Record<string, unknown> = {}) {
   };
 }
 
-function dedicatedGitHubGrant(overrides: Record<string, unknown> = {}) {
+function dedicatedGitHubGrant(
+  overrides: Record<string, unknown> = {},
+  githubOverrides: Record<string, unknown> = {},
+) {
   return organizationGrant({
     id: "grant-agent",
     kind: "agent",
@@ -282,6 +285,7 @@ function dedicatedGitHubGrant(overrides: Record<string, unknown> = {}) {
         webhookHealth: "pending",
         lastWebhookAt: null,
         lastAccessRefreshAt: "2026-09-05T12:00:00.000Z",
+        ...githubOverrides,
       },
     },
     ...overrides,
@@ -1467,7 +1471,7 @@ describe("AppDetail", () => {
 
     await renderAppDetail();
 
-    expect(container.querySelector('a[href="/agents/agent-1"]')?.textContent).toContain("Used only by Coder");
+    expect(container.querySelector('a[href="/agents/coder"]')?.textContent).toContain("Used only by Coder");
     expect(container.textContent).toContain("Repositories");
     expect(container.textContent).toContain("1 selected repositories");
     expect(container.querySelector(
@@ -1489,19 +1493,9 @@ describe("AppDetail", () => {
     }));
     listConnectionGrantsMock.mockResolvedValue({
       connection: { id: "conn-1", uid: "conn-1" },
-      grants: [dedicatedGitHubGrant({
-        providerTenant: {
-          github: {
-            userId: "123",
-            login: "dottabot",
-            installationCount: 1,
-            repositoryCount: 0,
-            repositorySelection: "all",
-            installationIds: ["456"],
-            installationOwnerLogins: ["paperclipai"],
-            managementUrl: "https://github.com/settings/installations/456",
-          },
-        },
+      grants: [dedicatedGitHubGrant({}, {
+        repositoryCount: 0,
+        repositorySelection: "all",
       })],
       capabilities: fullCapabilities(),
       currentUserId: "user-1",
@@ -1514,6 +1508,32 @@ describe("AppDetail", () => {
     expect(container.textContent).not.toContain("selected repositories");
   });
 
+  it.each([
+    ["mixed", "Mixed access; scope varies by installation"],
+    ["none", "No repositories selected"],
+  ] as const)("labels %s GitHub repository access explicitly", async (repositorySelection, expected) => {
+    mockParams.tab = "permissions";
+    getConnectionMock.mockResolvedValue(connection({
+      credentialPolicy: "per_agent",
+      authKind: "oauth",
+    }));
+    listConnectionGrantsMock.mockResolvedValue({
+      connection: { id: "conn-1", uid: "conn-1" },
+      grants: [dedicatedGitHubGrant({}, {
+        repositoryCount: 0,
+        repositorySelection,
+      })],
+      capabilities: fullCapabilities(),
+      currentUserId: "user-1",
+      members: [],
+    });
+
+    await renderAppDetail();
+
+    expect(container.textContent).toContain(expected);
+    expect(container.textContent).not.toContain("selected repositories");
+  });
+
   it("persists an empty audience as all organization members", async () => {
     mockParams.tab = "permissions";
     getConnectionMock.mockResolvedValue(connection({ createdByUserId: "user-1" }));
diff --git a/ui/src/pages/apps/app-detail/IdentitiesSection.tsx b/ui/src/pages/apps/app-detail/IdentitiesSection.tsx
index 1e04918ef8..b2b3a5cd62 100644
--- a/ui/src/pages/apps/app-detail/IdentitiesSection.tsx
+++ b/ui/src/pages/apps/app-detail/IdentitiesSection.tsx
@@ -31,8 +31,8 @@ import {
   AlertDialogTitle,
 } from "@/components/ui/alert-dialog";
 import { Link } from "@/lib/router";
-import { brandChipBadge } from "@/lib/status-colors";
-import { cn } from "@/lib/utils";
+import { brandBanner, brandChipBadge } from "@/lib/status-colors";
+import { agentUrl, cn } from "@/lib/utils";
 import {
   audienceUserIds,
   grantAccountLabel,
@@ -99,7 +99,7 @@ export function IdentitiesSection({
   credentialPolicy: ToolConnectionCredentialPolicy;
   ownerUserId: string | null;
   connectedUser: { label: string; image: string | null } | null;
-  dedicatedAgent: { id: string; name: string } | null;
+  dedicatedAgent: { id: string; name: string; urlKey?: string | null } | null;
   grantsQuery: ConnectionGrantsResponse | undefined;
   loading: boolean;
   error: boolean;
@@ -181,7 +181,7 @@ export function IdentitiesSection({
           status={agentGrant?.status ?? null}
           detail={dedicatedAgent ? (
             <Link
-              to={`/agents/${dedicatedAgent.id}`}
+              to={agentUrl(dedicatedAgent)}
               className="transition-colors hover:text-foreground hover:underline"
             >
               Used only by {dedicatedAgent.name}
@@ -296,19 +296,32 @@ function GitHubConnectionSummary({
 }) {
   const github = grant.providerTenant?.github;
   if (!github) return null;
-  const allRepositories = github.repositorySelection === "all";
+  const repositoryWarning = github.repositorySelection === "all"
+    ? "All current and future repositories"
+    : github.repositorySelection === "mixed"
+      ? "Mixed access; scope varies by installation"
+      : null;
+  const repositorySummary = github.repositorySelection === "none"
+    ? "No repositories selected"
+    : `${github.repositoryCount} selected repositories`;
   return (
     <div className="divide-y divide-border border-y border-border">
       <div className="flex flex-wrap items-center justify-between gap-3 py-3">
         <div className="min-w-0">
           <div className="text-sm font-medium text-foreground">Repositories</div>
-          {allRepositories ? (
-            <div className="flex items-center gap-1.5 text-xs text-amber-800 dark:text-amber-200">
-              <TriangleAlert className="h-3.5 w-3.5 shrink-0" />
-              All current and future repositories
+          {repositoryWarning ? (
+            <div
+              role="note"
+              className={cn(
+                "mt-1 inline-flex items-center gap-1.5 rounded-md border px-2 py-1 text-xs",
+                brandBanner.warning,
+              )}
+            >
+              <TriangleAlert className="h-3.5 w-3.5 shrink-0" aria-hidden="true" />
+              {repositoryWarning}
             </div>
           ) : (
-            <div className="text-xs text-muted-foreground">{github.repositoryCount} selected repositories</div>
+            <div className="text-xs text-muted-foreground">{repositorySummary}</div>
           )}
         </div>
         {github.managementUrl ? (