| name | web-artifacts-builder |
| description | Suite of tools for creating elaborate, multi-component single-file HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts. |
| license | Apache 2.0 |
Web Artifacts Builder
Trigger: the user EXPLICITLY asked for a single-file HTML artifact ("give me one HTML file I can email / open locally"). For anything served from the sandbox, use a managed project instead (README router).
Design rule applies here too: before writing any JSX, read ../frontend-design/SKILL.md and pick a palette from ../theme-factory/themes/ or a named style from ../theme-factory/styles-catalog.md. Single-file artifacts are NOT exempt from the no-AI-slop bar — run the ai-tells check before declaring done.
To build powerful single-file HTML artifacts, follow these steps:
- Initialize the frontend repo using
scripts/init-artifact.sh
- Develop your artifact by editing the generated code
- Bundle all code into a single HTML file using
scripts/bundle-artifact.sh
- Display artifact to user
- (Optional) Test the artifact
Stack: React 18 + TypeScript + Vite + Parcel (bundling) + Tailwind CSS + shadcn/ui
Design & Style Guidelines
VERY IMPORTANT: To avoid what is often referred to as "AI slop", avoid using excessive centered layouts, purple gradients, uniform rounded corners, and Inter font.
Quick Start
Step 1: Initialize Project
Run the initialization script to create a new React project:
bash scripts/init-artifact.sh <project-name>
cd <project-name>
This creates a fully configured project with:
- ✅ React + TypeScript (via Vite)
- ✅ Tailwind CSS 3.4.1 with shadcn/ui theming system
- ✅ Path aliases (
@/) configured
- ✅ 40+ shadcn/ui components pre-installed
- ✅ All Radix UI dependencies included
- ✅ Parcel configured for bundling (via .parcelrc)
- ✅ Node 18+ compatibility (auto-detects and pins Vite version)
Step 2: Develop Your Artifact
To build the artifact, edit the generated files. See Common Development Tasks below for guidance.
Step 3: Bundle to Single HTML File
To bundle the React app into a single HTML artifact:
bash scripts/bundle-artifact.sh
This creates bundle.html — a self-contained artifact with all JavaScript, CSS, and dependencies inlined. The user can open it directly in a browser or share it from the sandbox via the dashboard's Share button.
Requirements: Your project must have an index.html in the root directory.
What the script does:
- Installs bundling dependencies (parcel, @parcel/config-default, parcel-resolver-tspaths, html-inline)
- Creates
.parcelrc config with path alias support
- Builds with Parcel (no source maps)
- Inlines all assets into single HTML using html-inline
Step 4: Share Artifact with User
Finally, share the bundled HTML file in conversation with the user so they can view it as an artifact.
Step 5: Testing/Visualizing the Artifact (Optional)
Note: This is a completely optional step. Only perform if necessary or requested.
To test/visualize the artifact, use available tools (including other Skills or built-in tools like Playwright or Puppeteer). In general, avoid testing the artifact upfront as it adds latency between the request and when the finished artifact can be seen. Test later, after presenting the artifact, if requested or if issues arise.
Reference
