Opus 5 Changed How Rules Should Be Written — Audit Yours
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What this article covers : Anthropic's official guidance for the Claude 5 generation (Opus 5 / Fable 5) is "fewer rules, trust the model's judgment." This is a procedure for auditing the custom rules (CLAUDE.md / rules files) you accumulated for older model generations against what the product itself loads, and deciding for each rule: keep, fix, or retire. If you've been using Claude Code for a while, you probably share these worries: You wrote CLAUDE.md files and rules to compensate for older…
1Key Takeaways
- If you've been using Claude Code for a while, you probably share these worries: You wrote CLAUDE.md files and rules to compensate for older….
- Headline: Opus 5 Changed How Rules Should Be Written — Audit Yours
- Category focus: Prompt Engineering — relevant for AI builders and decision-makers.
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3Why it matters
Prompt and agent patterns spread fast; staying current saves time and token cost. DEV — Prompt Engineering reports that if you've been using Claude Code for a while, you probably share these worries: You wrote CLAUDE.md files and rules to compensate for older…
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