Magic: The Gathering rules engine + online play platform, in Kotlin
19 files for Claude Code, Codex and OpenCode: add-card, add-feature, add-random-card, architecture-diagram and 15 more — 4,866 tokens loaded in every session.
AGENTS.md A 4,861 tok CLAUDE.md A 5 tok .claude/settings.json A — .claude/settings.json A — .agents/skills/add-card/SKILL.md A — .agents/skills/add-feature/SKILL.md A 87 tok .agents/skills/add-random-card/SKILL.md A 32 tok .agents/skills/architecture-diagram/SKILL.md A 55 tok .agents/skills/assay-ready-sweep/SKILL.md A 156 tok .agents/skills/create-backlog-for-set/SKILL.md A 150 tok .agents/skills/generate-scenario/SKILL.md B 31 tok .agents/skills/review-ai-advisor/SKILL.md A 37 tok .agents/skills/review-changes/SKILL.md A 124 tok .agents/skills/set-loop/SKILL.md B 107 tok .agents/skills/verify-set/SKILL.md A 152 tok .agents/skills/verify/SKILL.md A 65 tok .agents/skills/assay-loop/SKILL.md B 115 tok .agents/skills/ai-playtest/SKILL.md A 148 tok .agents/skills/ai-game-review/SKILL.md A — These files are wingedsheep/argentum-engine's own configuration — they tell Claude Code, Codex and OpenCode 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.