diff --git a/apps/web/src/app/login/page.tsx b/apps/web/src/app/login/page.tsx
index 2115dbd..af5bb37 100644
--- a/apps/web/src/app/login/page.tsx
+++ b/apps/web/src/app/login/page.tsx
@@ -178,6 +178,27 @@ export default function LoginPage() {
                       <div key={group.title}>
                         <dt className="font-medium text-foreground">{group.title}</dt>
                         <dd>{group.detail}</dd>
+                        {group.collection ? (
+                          <dd className="mt-1">
+                            <code className="break-all rounded bg-muted px-1.5 py-0.5 font-mono text-xs text-foreground">
+                              {group.collection}
+                            </code>
+                          </dd>
+                        ) : null}
+                        {group.permissions ? (
+                          <dd>
+                            <ul className="mt-2 space-y-1.5 border-l border-border pl-3">
+                              {group.permissions.map((permission) => (
+                                <li key={permission.action}>
+                                  <span className="font-medium text-foreground">
+                                    {permission.action}:
+                                  </span>{" "}
+                                  {permission.detail}
+                                </li>
+                              ))}
+                            </ul>
+                          </dd>
+                        ) : null}
                       </div>
                     ))}
                   </dl>
diff --git a/apps/web/src/lib/oauthScopeDisclosure.test.ts b/apps/web/src/lib/oauthScopeDisclosure.test.ts
index 51e4caa..b544863 100644
--- a/apps/web/src/lib/oauthScopeDisclosure.test.ts
+++ b/apps/web/src/lib/oauthScopeDisclosure.test.ts
@@ -16,6 +16,30 @@ describe("OAuth scope disclosure", () => {
     expect(OAUTH_SCOPE_DISCLOSURE_GROUPS.at(-1)?.webOnly).toBe(true);
   });
 
+  test("breaks out community bookmark record access by action", () => {
+    const bookmarkGroup = OAUTH_SCOPE_DISCLOSURE_GROUPS.find(
+      ({ title }) => title === "Bookmarks"
+    );
+
+    expect(bookmarkGroup?.collection).toBe(
+      "community.lexicon.bookmarks.bookmark"
+    );
+    expect(bookmarkGroup?.permissions).toEqual([
+      {
+        action: "Create",
+        detail: "Save links as new public bookmark records.",
+      },
+      {
+        action: "Update",
+        detail: "Edit tags on existing bookmark records.",
+      },
+      {
+        action: "Delete",
+        detail: "Remove bookmark records from your repository.",
+      },
+    ]);
+  });
+
   test("states the important access limitations", () => {
     expect(OAUTH_SCOPE_LIMITATION_DISCLOSURE).toContain("cannot post to feeds");
     expect(OAUTH_SCOPE_LIMITATION_DISCLOSURE).toContain("read messages or email");
diff --git a/apps/web/src/lib/oauthScopeDisclosure.ts b/apps/web/src/lib/oauthScopeDisclosure.ts
index fc9decf..bce417c 100644
--- a/apps/web/src/lib/oauthScopeDisclosure.ts
+++ b/apps/web/src/lib/oauthScopeDisclosure.ts
@@ -1,6 +1,13 @@
+export type OAuthScopeDisclosurePermission = Readonly<{
+  action: "Create" | "Update" | "Delete";
+  detail: string;
+}>;
+
 export type OAuthScopeDisclosureGroup = Readonly<{
   title: string;
   detail: string;
+  collection?: string;
+  permissions?: readonly OAuthScopeDisclosurePermission[];
   webOnly?: boolean;
 }>;
 
@@ -8,6 +15,21 @@ export const OAUTH_SCOPE_DISCLOSURE_GROUPS: readonly OAuthScopeDisclosureGroup[]
   {
     title: "Bookmarks",
     detail: "Create, update, and delete community bookmark records in your public repository.",
+    collection: "community.lexicon.bookmarks.bookmark",
+    permissions: [
+      {
+        action: "Create",
+        detail: "Save links as new public bookmark records.",
+      },
+      {
+        action: "Update",
+        detail: "Edit tags on existing bookmark records.",
+      },
+      {
+        action: "Delete",
+        detail: "Remove bookmark records from your repository.",
+      },
+    ],
   },
   {
     title: "Reading State",