Evidence-backed rules for validating AI coding agent instructions. Core rules for structure, content, efficiency, governance, and maintenance.
Latest release 0.5.0 — v0.5.0 · 24 Feb 2026
2 files for GitHub Copilot and Claude Code: rules copilot-instructions.md, rules CLAUDE.md — 4,467 tokens loaded in every session.
.github/copilot-instructions.md A 1,785 tok CLAUDE.md C 2,682 tok These files are reporails/rules's own configuration — they tell GitHub Copilot and Claude Code 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.