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harness-diet

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Measure and shrink the always-loaded context of a Claude Code harness (CLAUDE.md + rules without paths frontmatter) back under budget — migrate narrative to reference files, convert rules to path-scoped or skill-triggered loading, and verify zero governance loss with deterministic preservation checks. Use on "harness diet", "context diet", "rules diet", "CLAUDE.md too long", "always-load budget", "trim my rules", "context bloat", "하네스 다이어트", "룰 다이어트", "컨텍스트 다이어트", "always-load 줄여줘". Not for one-off prose editing or project docs cleanup.

skills/harness-diet/SKILL.md

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Last checked
Nov 10, 2026

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877
Repository last updated
Sep 3, 2026
License
MIT

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# harness-diet — put your always-loaded context back under budget

> A harness gains weight automatically (every incident note, every boss directive, every fix lands
> as another paragraph in an always-loaded rule) but only loses weight when someone runs a diet.
> Field measurement on a mature harness: growth-to-reduction commit ratio of ~60:1, natural growth
> of ~70KB/month, and adherence degrading as the pile grows. Anthropic's guidance is blunt:
> *"target under 200 lines per CLAUDE.md file. Longer files consume more context and reduce
> adherence"*, and rules without `paths` frontmatter load *"with the same priority as CLAUDE.md"*
> — every session, every token ([memory docs](https://docs.claude.com/en/docs/claude-code/memory)).

**Result you should expect**: one field run took a harness from 146KB always-loaded (143% of
budget) to 100.6KB (98%) with **zero governance loss** — every killswitch, decision table,
trigger keyword, and canonical command verified present after the diet.
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