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JuliusBrussee/caveman

🪨 why use many token when few token do trick. Viral skill + proxy for coding agents that cuts 65% of tokens by talking like a caveman.

About the project

caveman is a skill and proxy for coding agents that shortens unnecessary explanatory prose so agents use fewer tokens while leaving code, commands, paths, and error messages unchanged. It is for people using coding agents who want terse responses and lower token use, including with Claude-based workflows. The catalogue entries contain its skills, commands, agents, instructions, and plugins.

Latest release v4.0.1 — Caveman 4.0.1 · 13 Oct 2026

3 files for Codex, OpenCode, Claude Code and Gemini CLI: caveman AGENTS.md, caveman CLAUDE.md, caveman GEMINI.md — 12,261 tokens loaded in every session.

Open on GitHub docs.caveman.so
112,527Stars on the repository
3Files it configures its agents with
12,261Tokens loaded in every session
4Agents configured
▶ Caveman Claude Code Is the New Meta (Here's the Science) Chase AI · about JuliusBrussee/caveman · on YouTube →

Instructions

These files are JuliusBrussee/caveman's own configuration — they tell Codex, OpenCode, Claude Code and Gemini CLI how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.