GitHub - JuliusBrussee/caveman: 🪨 why use many token when few token do trick — Claude Code skill that cuts 75% of tokens by talking like caveman

Caveman is a Claude Code skill/plugin that makes Claude respond in terse, caveman-style English — stripping filler words, pleasantries, and hedging while preserving full technical accuracy and code blocks. The claimed result is ~75% token reduction, faster responses, and lower API costs. Install is a one-liner via npx, and it can be toggled on/off with simple commands like '/caveman' or 'normal mode'.