diff --git a/app/bookmarks/bookmarks.ts b/app/bookmarks/bookmarks.ts
index 8a9cd265..0bef0e80 100644
--- a/app/bookmarks/bookmarks.ts
+++ b/app/bookmarks/bookmarks.ts
@@ -12,6 +12,12 @@ export type Bookmark = {
 export type Bookmarks = Array<Bookmark>;
 
 export const BOOKMARKS: Bookmarks = [
+  {
+    id: "4d59d5a6-50c7-4926-a5fc-3af2c5cd0008",
+    date: "2026-06-26",
+    title: "Anthropic: The Complete Guide to Building Skills for Claude",
+    url: "https://resources.anthropic.com/hubfs/The-Complete-Guide-to-Building-Skill-for-Claude.pdf?hsLang=en",
+  },
   {
     id: "dc30d799-4487-4b81-ba45-4380aa75895a",
     date: "2026-06-25",