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Frontend Design

Official
anthropics·vlatest·frontend

Official anthropics skill covering frontend development, design for building frontend UIs and user experiences.

Repositoryskills.sh

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add anthropics/skills --skill frontend-design -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

anthropics

Matched to the vendor's own GitHub organisation.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

    No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.

  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

    No pipe-to-shell or download-and-run installers.

    No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.

  • Pinned to a commit: passed

    Scanned anthropics/skills at dbd4588f9e.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
dbd4588f9e
Manifest
skills/frontend-design/SKILL.md
Scanned
2 files, 72 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
What each check looks for →

About this skill

What it does

The frontend-design skill enables AI agents to generate and optimize front-end code, including HTML, CSS, and JavaScript. It supports responsive design principles and integrates with modern frameworks like React or Vue for dynamic user interfaces.

When to use it

  • You need to quickly prototype a web interface without manual coding.
  • You want to ensure your site is mobile-friendly and accessible across devices.
  • You're building a single-page application (SPA) and require component-based structure.
  • You need to optimize UI performance for faster load times.

Key capabilities

  • Generates clean, semantic HTML5 markup
  • Applies CSS best practices including flexbox/grid layouts
  • Creates responsive designs using media queries
  • Integrates with popular front-end frameworks
  • Optimizes code for performance and accessibility

Example prompts

  • "Create a responsive navigation bar with dropdown menus."
  • "Generate a card layout for a product gallery that works on mobile devices."
  • "Build a React component for a modal popup with fade-in animation."

Tips & gotchas

  • Ensure you have the latest version of your front-end framework installed.
  • While the skill handles basic styling, complex animations may require manual refinement.