Your AI instructions may be making the model worse. Find out with a delete-and-test loop.
This is a dev post classified by Jev as AI dev tools (a tutorial), kept by the Dev Radar because it carries real work, not commentary.
Your AI instructions may be making the model worse. Find out with a delete-and-test loop. Boris Cherny reports that Anthropic deleted 80% of Claude Code's system prompt. Claude Code lets you replace the entire system prompt with --system-prompt, while CLAUDE_CODE_SIMPLE=1 deletes system prompts, including tool prompts, for an ablation. He says the model was slightly more intelligent without those prompts. He also recommends deleting CLAUDE.md, skills, and hooks every six months to see what the model does without them. My take: guidance should decay when it addresses a problem you can no lon
Posted by catman (1.8k followers) 16 h ago · 4 likes · 92 views · view the original post on X. Kept by the Dev Radar as AI dev tools.
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