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Design System

Design System is an agent skill (a SKILL.md file) from affaan-m/ECC. Generate a design system from an existing codebase or audit one for visual consistency: extract tokens (colors, typography, spacing, shadows) into design-tokens.json… It works with Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode and has 274,402 GitHub stars across a repository of 10 listed skills.

github.com/affaan-m/ECC/skills/design-system (opens in a new tab)

Add this skill

Claude

This repository is a Claude Code plugin marketplace. In Claude Code:

/plugin marketplace add affaan-m/ECC
/plugin install ecc@ecc

In the Claude apps, zip the design-system folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

ChatGPT / Codex

Codex reads skills from .agents/skills/ in a repo or ~/.agents/skills/ for every project:

git clone --depth 1 https://github.com/affaan-m/ECC.git
cp -r ECC/skills/design-system .agents/skills/design-system   # repo; ~/.agents/skills for all projects

Standalone skills also load in the ChatGPT desktop app.

Cursor

Cursor loads skills from .cursor/skills/ (or ~/.cursor/skills/) and also reads .claude/skills/:

git clone --depth 1 https://github.com/affaan-m/ECC.git
cp -r ECC/skills/design-system .cursor/skills/design-system   # project; ~/.cursor/skills for all projects

Source (checked Oct 7, 2026): code.claude.com/docs/en/skills (opens in a new tab), code.claude.com/docs/en/plugin-marketplaces (opens in a new tab), support.claude.com/en/articles/12512180-using-skills-in-claude (opens in a new tab), learn.chatgpt.com/docs/build-skills (opens in a new tab), cursor.com/docs/context/skills (opens in a new tab)

What this skill does

Generate a design system from an existing codebase or audit one for visual consistency: extract tokens (colors, typography, spacing, shadows) into design-tokens.json and CSS custom properties with DESIGN.md rationale and an interactive HTML preview, score the UI across 10 dimensions, and flag AI-slop patterns. Use when starting a design system, auditing visual consistency before a redesign, or reviewing a PR that touches styling. Analyzes your codebase and generates a cohesive design system:

When it triggers

  • Use when starting a design system, auditing visual consistency before a redesign, or reviewing a PR that touches styling.

More skills in affaan-m/ECC

10 skills are listed from this repository.

FAQ

Design System FAQ

Still curious? Email info@appsgit.com.

What is the Design System skill?

Design System is an agent skill (a SKILL.md file) from affaan-m/ECC. Generate a design system from an existing codebase or audit one for visual consistency: extract tokens (colors, typography, spacing, shadows) into design-tokens.json… It works with Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode and has 274,402 GitHub stars across a repository of 10 listed skills. Its SKILL.md lives at github.com/affaan-m/ECC/skills/design-system.

How do I install the Design System skill?

In Claude Code, run /plugin marketplace add affaan-m/ECC and then /plugin install ecc@ecc. For Codex or Cursor, copy the design-system folder into .agents/skills/ or .cursor/skills/.

Is the Design System skill free?

Yes. The repository is open source under the MIT license.

Is Design System maintained?

The repository's most recent commit was on Oct 2, 2026. Its latest release is v2.2.3. appsgit only lists skills from repositories with a commit in the last six months.