Five rules that stop a coding agent from optimizing things that should not exist.
3 files for GitHub Copilot, Codex, OpenCode and Claude Code: elon-stack copilot-instructions.md, elon-stack AGENTS.md, elon-stack CLAUDE.md — 3,357 tokens loaded in every session.
.github/copilot-instructions.md A 1,107 tok AGENTS.md A 1,142 tok CLAUDE.md A 1,108 tok These files are AccountZero/elon-stack's own configuration — they tell GitHub Copilot, Codex, OpenCode 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.