The engineering-grade skill layer for AI agents. 895 validated skills, 21 AI adapters, workflows & REI Reverse Engineering (REA) for Claude, Codex, Cursor & Copilot.
Latest release v1.0.0 — 🏰 Rei Skills v1.0.0 — 883+ Universal Agentic Skills · 21 Feb 2026
3 files for Codex, OpenCode, Claude Code and Gemini CLI: rei-skills AGENTS.md, rei-skills CLAUDE.md, rei-skills GEMINI.md — 1,969 tokens loaded in every session.
AGENTS.md A 1,616 tok CLAUDE.md A 167 tok GEMINI.md A 186 tok These files are rootcastleco/rei-skills'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.