@tom_doerr — Anysphere open-sourced their prompt design library
The company behind @cursor_ai published their prompt design library on GitHub
That's a rare look inside how a serious AI coding tool is actually structured. Most companies keep their prompt engineering in-house; Anysphere shipping this publicly means you can trace exactly how Cursor instructs the model, which is useful whether you're building your own coding assistant or just trying to understand why Cursor behaves the way it does.
@sujjeeee — Passing files from client components to server actions
Pass files from client components to server actions
Smart pattern — file uploads in Next.js App Router can get messy fast if you reach for a third-party service before exhausting the built-in path. Server actions accept FormData, so you can pass a File object directly without wiring up a separate upload endpoint or a client-side presign flow. Bookmarked this as a clean example of keeping the architecture simple before adding complexity.
Thin week — most bookmarks from KW39 were motivational content and image-only posts with no extractable substance.
