# Frontend UI Engineering (agent skill)

> Frontend UI Engineering is an agent skill (a SKILL.md file) from addyosmani/agent-skills. Builds production-quality, accessible, responsive user-facing UIs. It works with Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot and OpenCode and has 102,166 GitHub stars across a repository of 13 listed skills.

Builds production-quality, accessible, responsive user-facing UIs. Use when building or modifying interfaces and pages, creating components, implementing layouts, meeting WCAG accessibility requirements, managing state, or when the output needs to look and feel production-quality rather than AI-generated. Build production-quality user interfaces that are accessible, performant, and visually polished.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/addyosmani/agent-skills |
| Skill path | skills/frontend-ui-engineering/SKILL.md |
| Skill name | frontend-ui-engineering |
| GitHub stars | 102,166 |
| Installs on skills.sh | 863 |
| License | MIT |
| Skills in repo | 13 |
| Plugin marketplace | addy-agent-skills |
| Official | no |
| Works with | Claude Code, Codex, Cursor, Gemini CLI, GitHub Copilot, OpenCode |
| Category | Design & frontend |
| Last commit | Oct 3, 2026 |

## When it triggers

- Use when building or modifying interfaces and pages, creating components, implementing layouts, meeting WCAG accessibility requirements, managing state, or when the output needs to look and feel production-quality rather than AI-generated.

## Add this skill

### Claude Code

```sh
/plugin marketplace add addyosmani/agent-skills
/plugin install agent-skills@addy-agent-skills
```

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

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/addyosmani/agent-skills.git
cp -r agent-skills/skills/frontend-ui-engineering .agents/skills/frontend-ui-engineering   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/addyosmani/agent-skills.git
cp -r agent-skills/skills/frontend-ui-engineering .cursor/skills/frontend-ui-engineering   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

skills.sh listing: https://www.skills.sh/addyosmani/agent-skills/frontend-ui-engineering

---

Canonical page: https://appsgit.com/skills/addyosmani-frontend-ui-engineering
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