gongnangi-chart-skill: Claude Code skill: McKinsey/Bain consulting-style HTML chart generator with Chrome headless PNG export

by gongnyang · Claude Skill · ★ 71

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How to install gongnangi-chart-skill

git clone https://github.com/gongnyang/gongnangi-chart-skill.git

Taken from the project's README on GitHub.

Security audit verdict: SAFE · quality 49/100

None of the 42 rules matched — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against 42 published rules built on the SlowMist agent-security taxonomy, refreshed every 8 hours.

The quality score combines nine heuristic checks of the repo and its README: completeness, clarity, specificity, examples, structure, agent readiness, step-by-step content, instruction quality and security notes. It rates how well the project explains itself to an agent, not the code.

Quick Facts

Stars71
Forks16
LanguageShell
CategoryClaude Skill
LicenseMIT
Quality Score49/100
Last Updated2026-07-30
Created2026-04-12
Platformsbrowser, claude-code, cli
Est. Tokens~10k

About gongnangi-chart-skill

공냥이 시각 콘텐츠 스킬 컨설팅 스타일 차트, 인스타그램 카드뉴스, 애니메이션 영상을 HTML/CSS 코드로 생성하는 Claude Code 스킬입니다. 데모 3가지 기능: 공냥이 차트 — 컨설팅 스타일 데이터 차트 공냥이 카드뉴스 — 인스타 카드뉴스 5가지 디자인 공냥이 영상 — Remotion 애니메이션 차트 이런 걸 만듭니다 공냥이 차트 (960x500) McKinsey/Bain 스타일 데이터 차트. HTML로 생성하고 Chrome headless로 PNG 변환. 지원 차트 유형: 수평 바 차트 (슬림 6px, 강조색 1개) 비교표 (테이블) A vs B 양방향 비교 프로세스/흐름도 타임라인 레벨/계단형 공냥이 카드뉴스 (1080x1350, 5가지 디자인) 인스타그램 4:5 포트레이트.

Compatible Skills

These tools work well together with gongnangi-chart-skill for enhanced workflows:

  • zelda-style-image-prompt — semantic(0.17)+complementary+same_lang+similar_pop+shared_platform (56%)
  • ClaudeViewer — semantic(0.27)+complementary+similar_pop+shared_platform (49%)

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How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy: 42 published rules, covering credential harvesting, data exfiltration, curl | sh installers and more. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

View on GitHub → Browse Claude Skill tools