Caveman
Token-saving skill + proxy (cuts tokens ~65%). Open source (Apache-2.0), free to use.
How to use it
Install it with the open Skills CLI (needs Node.js), then restart your agent:
npx skills add JuliusBrussee/caveman- Download the ZIP from this page and unzip it.
- Put the
juliusbrussee-cavemanfolder in.claude/skills/inside your project (or~/.claude/skills/for all projects). - Restart Claude Code and call it with
/juliusbrussee-caveman.
More for cost & tokens
- RTK Token Saver: CLI proxy reducing LLM token use 60-90% on dev commands. Open source (Apache-2.0), free to use.
- Claude Code Router: Route Claude Code requests across models/providers. Open source (MIT), free to use.
- UX UI Agent Skills: UX/UI architect skills: tokens, components, WCAG. Open source (MIT), free to use.