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design-impeccable

100 / 100 · Low risk

Fine to try.

By KeyArgo/custodian-kernel (GitHub) · coding · 120 stars · scanned at commit 491f40f

Anti-pattern detector and design rules for AI coding agents. Catches the specific mistakes AI makes when generating UI: gray text on color, nested cards, broken buttons, missing states. Use before shipping any frontend.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'design-impeccable' ] || [ -L ~/.agents/skills/'design-impeccable' ]; then echo 'A skill folder named design-impeccable already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/KeyArgo/custodian-kernel' "$d" && git -C "$d" checkout --quiet '491f40facf8710ba747b303e8ebf7d4c545f2137' -- 'custodian/bundled_skills/design-impeccable' && mkdir -p ~/.agents/skills && cp -R "$d"/'custodian/bundled_skills/design-impeccable' ~/.agents/skills/'design-impeccable' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'design-impeccable' ~/.claude/skills/'design-impeccable' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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