3 files for GitHub Copilot, Codex, OpenCode and Claude Code: token-efficient copilot-instructions.md, token-efficient AGENTS.md, token-efficient CLAUDE.md — 1,836 tokens loaded in every session.
.github/copilot-instructions.md A 606 tok AGENTS.md A 600 tok CLAUDE.md A 630 tok These files are israads/token-efficient'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.