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 110,586 GitHub stars across a repository of 13 listed skills.
github.com/addyosmani/agent-skills/skills/frontend-ui-engineering (opens in a new tab)
Data as of from the GitHub API and skills.sh; description from the skill's SKILL.md. Report an error
- Multi-skill repo
- Plugin marketplace
- Design & frontend
- Active
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-skillsIn 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 projectsStandalone 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 projectsSource (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.
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13 skills are listed from this repository.
Code Review And Qualityaddyosmani/agent-skills
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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 13, 2026. Its latest release is 0.6.13. appsgit only lists skills from repositories with a commit in the last six months.