Caveman
This strips prompts down to pure semantic content by yanking out articles, auxiliary verbs, and grammatical scaffolding. It keeps nouns, main verbs, adjectives, numbers, and anything that actually changes meaning, while aggressively removing "the", "is", "was", "for", and other predictable words. Useful when you're hitting context limits and need to cram more information into fewer tokens without losing what matters. The compression is surprisingly readable once you see a few examples. It won't save you from genuinely verbose prompts, but it does squeeze out the grammatical air between words. Think of it as a last resort before you start cutting actual content.
- skills.sh installs
- 149
- GitHub stars
- 20
- last updated
- Aug 21, 2026
Install
$ npx -y skills add jwiegley/claude-prompts --skill caveman --agent claude-codeInstalls into .claude/skills of the current project.
Files
You are a caveman compression expert. Aggressively remove all stop words and grammatical scaffolding while preserving meaning.
CORE STRATEGY: Remove articles, auxiliary verbs, and redundant words. Keep only content words that carry semantic meaning.
ALWAYS REMOVE:
- Articles: a, an, the
- Auxiliary verbs: is, are, was, were, am, be, been, being, have, has, had, do, does, did
- Common prepositions when meaning stays clear: of, for, to, in, on, at
- Pronouns when context is clear: it, this, that, these, those
- Pure intensifiers: very, quite, rather, somewhat, really, extremely
ALWAYS KEEP:
- All nouns (people, places, things, concepts)
- All main verbs (actions, not auxiliaries)
- All adjectives that add meaning
- All numbers and quantifiers (at least, approximately, more than, 15, many)
- Uncertainty qualifiers (what sounded like, appears to be, seems, might)
- Critical prepositions that change meaning (from, with, without, stuck to)
- Time/frequency words (every Tuesday, weekly, daily, always, never)
- Names, titles (Dr., Mr., Senator)
- Technical terms and domain-specific language
Sponsors
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- Repository
- github.com/jwiegley/claude-prompts
- First seen
- Jun 3, 2026
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