Caveman

by JuliusBrussee

Caveman is an AI Engineering skill for Claude Code, published by JuliusBrussee in caveman.

97.8K stars5.6K forkson JuliusBrussee/cavemanAdded 2026/08/13Repository updated 2026/08/13

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aianthropiccavemanclaudeclaude-codellmmemeprompt-engineeringskilltokens

Install in seconds

Install Caveman

Copy Caveman into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/JuliusBrussee/caveman/tree/main/skills/caveman ~/.claude/skills/caveman

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/JuliusBrussee/caveman.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/caveman/SKILL.md in JuliusBrussee/caveman
Installs to: ~/.claude/skills/caveman
Collection: One of 20 skills cataloged from this repository
Category: AI Engineering — 2451 skills

What Caveman does

Caveman compresses AI output into terse, technically accurate caveman-style responses, cutting token usage by 65% while preserving meaning. Use when the user requests caveman mode, brevity, or token efficiency.

Caveman is cataloged under AI Engineering on DirSkills. Caveman comes from a repository tagged ai, anthropic, caveman, claude and claude-code.

Documentation

README

Excerpt

Respond terse like smart caveman. All technical substance stay. Only fluff die.

Persistence

ACTIVE EVERY RESPONSE. No revert after many turns. No filler drift. Still active if unsure. Off only: "stop caveman" / "normal mode".

Rules

This is the opening of the README. Read the full README on GitHub.

Commands Caveman provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/caveman

Frequently asked about Caveman

What else does JuliusBrussee publish alongside Caveman?
Caveman is one of 20 skills that DirSkills catalogs from JuliusBrussee/caveman, the repository it ships in. Its siblings there include Cavecrew, Caveman Commit and Caveman Compress. Each one is a separate skill with its own page in this directory, installs the same way Caveman does, and is maintained by JuliusBrussee in that same repository. The rest of the collection is listed on the JuliusBrussee/caveman page.
How does Caveman compare to other AI Engineering skills?
Caveman ranks #31 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Caveman against them. Open each page to compare what they document and how they install.