Behavioral guidelines for AI coding agents — drop into CLAUDE.md / AGENTS.md to reduce common LLM coding mistakes.
Latest release v0.4.0 — 0.4.0 · 11 Sept 2026
4 files for GitHub Copilot, Codex, OpenCode, Claude Code and Gemini CLI: greybeard copilot-instructions.md, greybeard AGENTS.md, greybeard CLAUDE.md, greybeard GEMINI.md — 15,123 tokens loaded in every session.
.github/copilot-instructions.md A 3,791 tok AGENTS.md A 3,791 tok CLAUDE.md A 3,750 tok GEMINI.md A 3,791 tok These files are clawnify/greybeard's own configuration — they tell GitHub Copilot, 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.