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Frontend UI Engineering

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.

github.com/addyosmani/agent-skills/skills/frontend-ui-engineering (opens in a new tab)

View on GitHub (opens in a new tab)View on skills.sh (opens in a new tab)

Add this skill

Claude

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

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

In the Claude apps, zip the frontend-ui-engineering 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/addyosmani/agent-skills.git
cp -r agent-skills/skills/frontend-ui-engineering .agents/skills/frontend-ui-engineering   # 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/addyosmani/agent-skills.git
cp -r agent-skills/skills/frontend-ui-engineering .cursor/skills/frontend-ui-engineering   # 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

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.

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.

More skills in addyosmani/agent-skills

13 skills are listed from this repository.

Similar skills

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All Design & frontend

FAQ

Frontend UI Engineering FAQ

Still curious? Email info@appsgit.com.

What is the Frontend UI Engineering 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. Its SKILL.md lives at github.com/addyosmani/agent-skills/skills/frontend-ui-engineering.

How do I install the Frontend UI Engineering skill?

In Claude Code, run /plugin marketplace add addyosmani/agent-skills and then /plugin install agent-skills@addy-agent-skills. For Codex or Cursor, copy the frontend-ui-engineering folder into .agents/skills/ or .cursor/skills/.

Is the Frontend UI Engineering skill free?

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

Is Frontend UI Engineering maintained?

The repository's most recent commit was on Oct 3, 2026. Its latest release is 0.6.12. appsgit only lists skills from repositories with a commit in the last six months.