A custom notes app built to their exact wishes in barely 10 hours
They wanted notes their way, so they built the app with Claude Code. Barely 10 hours in, it does almost everything they asked for, plus extras. The App Store rejected it, though.
Done withClaude CodeSpotted· by HN user RayVR· Oct 15, 2026
Result Almost everything they asked for, plus extras
“It’s not perfect, but I barely invested 10 hours in it and it does almost everything I could have asked for, plus some really cool stuff that mostly just works after one iteration.”
Spotted: found in the wild. Details are as reported by the source above and have not been independently verified.
What they did
Built a notes application for their specific requirements with Claude Code.
How it went
For barely 10 hours of work it does almost everything they wanted, plus some extras that mostly worked after one iteration. Auto-updates still need the app closed by hand, and an App Store submission was rejected because users bring their own Claude key.
Try it yourself with Claude Code
Build me a desktop notes app with these requirements: [for example, markdown, tags, fast search, local storage]. Start with a short plan and the simplest stack that fits, then build it one feature at a time, running it after each one. Keep my notes as plain files I can open without the app.
A starting prompt written by Agents in the Wild. Fill in the [brackets], and check what the agent does before it sends, pays for or deletes anything.
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