caveman
caveman is the official agent skill of caveman published by juliusbrussee. It lives in the JuliusBrussee/skills repository, which has 168 GitHub stars and is licensed under MIT; we last read it on 2026-09-16.
Reduces token usage by up to 75% using simplified language while maintaining technical accuracy. Supports various intensity levels including lite, full, ultra, and wenyan variants. Activates when users request 'caveman mode' or 'less tokens'.
Install
skills is a generic installer for any repository of Claude agent skills -- it reads JuliusBrussee/skills’s own structure rather than assuming one, the same way this page reads the skill’s own SKILL.md rather than assuming a format.
npx skills add JuliusBrussee/skills
What it connects to
Unverified means a mention in the skill’s own description, not a citation. A wrong claim here costs nothing to correct and nothing to trust yet.
Maintenance
Ultra-compressed communication mode. Cuts token usage ~75% by speaking like caveman while keeping full technical accuracy. Supports intensity levels: lite, full (default), ultra, wenyan-lite, wenyan-full, wenyan-ultra. Use when user says "caveman mode", "talk like caveman", "use caveman", "less tokens", "be brief", or invokes /caveman. Also auto-triggers when token efficiency is requested.
Common questions about caveman
- What does caveman do?
- Reduces token usage by up to 75% using simplified language while maintaining technical accuracy. Supports various intensity levels including lite, full, ultra, and wenyan variants. Activates when users request 'caveman mode' or 'less tokens'.
- How do I install caveman?
- Run npx skills add JuliusBrussee/skills. The skills installer reads the repository’s own structure, so it works for any repository of agent skills.
- Who publishes caveman?
- juliusbrussee. It is named as the official skill of caveman.
- Is caveman maintained, and what licence does it use?
- Its repository has 168 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-08-07. The repository declares the MIT licence.