Show HN: Rules that stop AI coding agents from breaking working code
Stop Your AI From Breaking Working Code Rules and prompts that keep Claude Code, Cursor, and Codex from wrecking things that already worked. Explanations kept to a minimum. 한국어 → The first two weeks feel like magic. Then the codebase grows past what the model can hold at once, and it starts fixing A while breaking B.
- ▪Stop Your AI From Breaking Working Code Rules and prompts that keep Claude Code, Cursor, and Codex from wrecking things that already worked.
- ▪Explanations kept to a minimum. 한국어 → The first two weeks feel like magic.
- ▪Then the codebase grows past what the model can hold at once, and it starts fixing A while breaking B.
2 outlets in our directory ran this story, first to last over 35 hours. All of the coverage we found sits in one bucket: centre. That one-sidedness is itself worth noticing.
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Hacker News (AI / LLM) files mainly under ai. We currently carry 2,306 of its stories.
Opening excerpt (first ~120 words) tap to expand
Stop Your AI From Breaking Working Code Rules and prompts that keep Claude Code, Cursor, and Codex from wrecking things that already worked. Everything here is copy-paste. Explanations kept to a minimum. 한국어 → The first two weeks feel like magic. Then the codebase grows past what the model can hold at once, and it starts fixing A while breaking B. That isn't a skill problem. It's a structure problem — which means prompting harder won't fix it. Constraints will. The one thing to do tonight Create CLAUDE.md in your project root and paste this. Claude Code reads it automatically at the start of every conversation. (Cursor → .cursorrules, Codex/Copilot → AGENTS.md.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Hacker News - Newest: ""AI" "LLM"".