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Real example · Build apps (vibe coding)

Turned 470 photos of books into a digital bookshelf

Marius Balaj · balajmarius.com ↗ · 2025-12-27 · 1 account

No free tier From $20/mo

What they did

Marius Balaj had Claude Code build a web app that shows his personal library as a shelf of book spines. A vision model reads titles from photos, Open Library supplies covers and page counts, and a second model call scores whether each cover is good enough.

How it went

He photographed 470 books in one afternoon and ended with 460 in the catalog, with the vision pass getting about 90% of the metadata right.

Worth knowing

He fixed the remaining roughly 10% by hand and repaired 10 covers in Photoshop. Poor lighting and rare editions confused the model, and one novel was misread as a Soviet farming manual. Hours and cost are not given.

Try it yourself with Claude Code

Replace anything in [brackets] with your details.

Prompt to paste

Build a small web app that turns photos of my bookshelf into a catalog. Steps: 1) send each photo to a vision model and extract title, author and publisher into JSON, 2) look up covers and page counts from a free book database, 3) flag low-confidence or low-quality results in a review list for me to fix by hand.
Show me the review list first, before you design the visual shelf.

Read the original

Vibe coding a bookshelf with Claude Code ↗
balajmarius.com · 2025-12-27 · Personal post

Attributed to the source linked below; not our own test.

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