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Web Artifacts Builder

Official
anthropics·vlatest·frontend

Automatically generates reusable UI components from website screenshots, accelerating frontend development workflows.

Repository

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 web-artifacts-builder -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 failed 1 of 6 checks. A failure is not proof of bad intent; it means something in the code needs a human to look at it before you run it.

  • No undeclared network calls: failed

    Contacts 1 host that is neither well-known infrastructure nor declared in the skill's frontmatter: ui.shadcn.com.

    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.

    Hosts contacted

    ui.shadcn.comundeclared

    What it found

    • skills/web-artifacts-builder/scripts/init-artifact.sh:283contacts ui.shadcn.com
      "$schema": "https://ui.shadcn.com/schema.json",

  • 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 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/web-artifacts-builder/SKILL.md
Scanned
4 files, 447 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 web-artifacts-builder skill enables AI agents to generate and manage frontend web artifacts, such as HTML, CSS, and JavaScript files. It supports building modular components and integrating them into a cohesive website structure.

When to use it

  • When developing a static website from scratch using component-based architecture.
  • To automate the generation of boilerplate code for new projects.
  • When creating reusable UI elements that can be deployed across multiple pages.
  • For rapid prototyping or generating mockups for design review.

Key capabilities

  • Generates HTML, CSS, and JavaScript files dynamically.
  • Supports modular component creation and integration.
  • Integrates with frontend build tools and frameworks.
  • Provides boilerplate code templates for common UI elements.

Example prompts

  • "Generate a responsive navigation bar using HTML and CSS."
  • "Create a reusable card component that can be used on multiple pages of a website."
  • "Build a basic landing page layout with header, content section, and footer."

Tips & gotchas

  • Ensure your project structure is well-defined before generating artifacts to avoid conflicts.
  • This skill works best when paired with version control systems like Git for managing changes.