3 files for GitHub Copilot, Codex, OpenCode and Claude Code: agents-playground copilot-instructions.md, agents-playground AGENTS.md, agents-playground CLAUDE.md — 349 tokens loaded in every session.
.github/copilot-instructions.md A 5 tok AGENTS.md A 339 tok CLAUDE.md A 5 tok These files are tatat/agents-playground'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.