A field survey of how 20 open-source design systems make themselves AI-friendly: MCP servers, agent skills, llms.txt, and the techniques that keep models on-system (last updated: July 2026)
10 files for Claude Code, Codex and OpenCode: audit-prose, correct, draft, research and 6 more — 5,437 tokens loaded in every session.
AGENTS.md A 5,398 tok CLAUDE.md A 39 tok .claude/skills/contribute-system/SKILL.md A 89 tok .claude/skills/impeccable/SKILL.md A 189 tok .claude/commands/system/audit-prose.md A 20 tok .claude/commands/system/correct.md A 25 tok .claude/commands/system/draft.md A 26 tok .claude/commands/system/research.md A 17 tok .claude/commands/system/ship.md A 27 tok .claude/commands/system/verify.md A 16 tok These files are kaelig/state-of-ai-in-design-systems'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.