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Notice you no longer understand your own app, and go back to coding by hand
A solo developer who added features at breakneck speed with Claude realized he no longer understood his app.
- Difficulty
- BeginnerOur rating
- Time to build
- n/aOur estimate
- Monthly cost
- Not reported
- Revenue
- Not reportedWe only show revenue the source states
- Engagement
- 62 HN points53 comments · fetched Oct 15, 2026
What they did
trencedamp had been building a new version of his successful app with Claude for about six months.
How it went
He realized he had no clue how parts of it worked and decided to code by hand again.
Worth knowing
Speed without understanding is a risk for apps you must maintain.
Builder recipe
Our own starting point, written from the source. Adapt it to your setup.
Stack
- Your editor
- Code review habits
Steps
- Read every diff before accepting it.
- Ask the agent to explain changes.
- Write the core logic yourself.
Starter prompt
Explain this change line by line as if I will maintain it alone, and list anything you are unsure about.Tags
Read the original
- Hacker News: news.ycombinator.com/item?id=49622554 ↗ (opens in new tab) Sep 9, 2026 · 62 points, 53 comments (fetched 2026-10-15)
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