PluginBench
Skill
Pass
Audit score 90

frontend-skill

nexu-io/open-design

Create visually strong landing pages and UIs with restrained composition—OpenAI's production frontend playbook.

What is frontend-skill?

A design system skill for building landing pages, websites, and app interfaces using OpenAI's curated frontend principles. Use it when you need to design cohesive, visually disciplined UIs with restrained composition.

  • Design landing pages with strong visual hierarchy
  • Build app UIs following restrained composition principles
  • Create cohesive website layouts using design system patterns
  • Apply OpenAI's production frontend best practices
  • Compose interfaces with intentional visual restraint

How to install frontend-skill

npx skills add https://github.com/nexu-io/open-design --skill frontend-skill
Prerequisites
  • Install via: npx skills add https://github.com/nexu-io/open-design --skill frontend-skill
  • Access to upstream repository at https://github.com/openai/skills for full assets and references
Claude Code
Cursor
Windsurf
Cline

How to use frontend-skill

  1. 1.Install the skill using the provided npm command
  2. 2.Invoke the skill by name (frontend-skill) or use trigger phrases like 'landing page', 'frontend playbook', or 'ui composition'
  3. 3.Reference the upstream README at https://github.com/openai/skills for detailed assets, scripts, and design references
  4. 4.Apply the curated design principles to your UI composition work

Use cases

Good for
  • Designing a new product landing page with consistent branding
  • Building a web application UI that follows design system guidelines
  • Creating marketing websites with strong visual impact and clarity
  • Developing app interfaces with restrained, professional aesthetics
  • Establishing design patterns for multi-page website projects
Who it's for
  • Frontend designers
  • UI/UX designers
  • Product designers
  • Web developers building branded interfaces
  • Teams adopting design system practices

frontend-skill FAQ

What is this skill based on?

This skill is curated from OpenAI's official skills repository and represents their production frontend playbook for creating visually strong interfaces.

How do I access the full design assets?

Visit https://github.com/openai/skills to inspect the upstream README and access the complete workflow, assets, scripts, and references.

What does 'restrained composition' mean?

It refers to intentional, disciplined visual design that avoids unnecessary elements and focuses on clarity, hierarchy, and impact.

Can I use this for any type of UI project?

It's optimized for landing pages, websites, and app UIs, but the principles apply broadly to any interface design work.

Full instructions (SKILL.md)

Source of truth, from nexu-io/open-design.


name: frontend-skill description: | Create visually strong landing pages, websites, and app UIs with restrained composition. OpenAI's production frontend playbook. triggers:

  • "landing page"
  • "frontend playbook"
  • "ui composition"
  • "restrained ui" od: mode: design-system category: design-systems upstream: "https://github.com/openai/skills"

frontend-skill

Curated from OpenAI's skills repository.

What it does

Create visually strong landing pages, websites, and app UIs with restrained composition. OpenAI's production frontend playbook.

Source

How to use

This catalogue entry advertises the skill in Open Design so the agent discovers it during planning. To run the full upstream workflow with its original assets, scripts, and references, install the upstream bundle into your active agent's skills directory:

# Inspect the upstream README for exact paths
open https://github.com/openai/skills

Then ask the agent to invoke this skill by name (frontend-skill) or with one of the trigger phrases listed in this skill's frontmatter.