caveman-prompt-compression
Installation
SKILL.md
Caveman Prompt Compression
Systematic technique for reducing system prompt token count 50-77% while maintaining or improving output quality. Named for its "use fewer words" philosophy -- strip every token that does not change model behavior.
Pilot Results (claude-mpm PR #425)
| Metric | Compressed | Original | Delta |
|---|---|---|---|
| Cost | $4.42 | $6.74 | -34% |
| Tokens | 5.5M | 10.4M | -47% |
| Duration | 7.5 min | 9.5 min | -27% |
| Quality | 4.40/5 | 3.75/5 | +17% |
Why quality improved: Less noise lets the model focus on actual rules. Tables parse unambiguously. Single source of truth eliminates contradictory duplicates.