genshijin Primitive Man 🗿| An ultra-compressed communication skill for AI agents such as Claude Code and Codex. Based on the Japanese version of caveman and optimized for the verbosity specific to Japanese.
Latest release v1.5.0 · 4 Aug 2026
2 files for GitHub Copilot, Codex and OpenCode: genshijin copilot-instructions.md, genshijin AGENTS.md — 455 tokens loaded in every session.
.github/copilot-instructions.md A 361 tok AGENTS.md A 94 tok These files are InterfaceX-co-jp/genshijin's own configuration — they tell GitHub Copilot, Codex and OpenCode 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.