our codebase better. ◦ Clear instructions on how to write codes, following standards, etc. ◦ Knowledge about development environments, testing guide, etc. • But, some haven’t followed the standards: ◦ Codex, Copilot, Cursor, etc.: AGENTS.md ◦ Claude Code: CLAUDE.md ◦ JetBrains Junie: .junie/guidelines.md