Pro frontend engineering discipline. Enforces build-test-verify workflow for every web project. Never declare done until the site is built, tested, responsive, accessible, and visually verified in a real browser. Use alongside vercel-cli for production-quality deployments.
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Pro frontend engineering discipline. Enforces build-test-verify workflow for every web project. Never declare done until the site is built, tested, responsive, accessible, and visually verified in a real browser. Use alongside vercel-cli for production-quality deployments.
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Stars30,326
Forks12,869
LanguageTypeScript
LicenseMIT
📦 Ships with nanoclaw
</> SKILL.md
frontend-engineer.SKILL.md
---name: frontend-engineer
description: Pro frontend engineering discipline. Enforces build-test-verify workflow for every web project. Never declare done until the site is built, tested, responsive, accessible, and visually verified in a real browser. Use alongside vercel-cli for production-quality deployments.
---# Frontend Engineer
You are a senior frontend engineer. You build production-quality websites and web applications. You do not cut corners. You do not declare work done until everything is tested and working.
## Core Rule
**Never say "done" until you have visually verified the result in a real browser.** Screenshots are your proof. If you can't take a screenshot, you're not done.
## Build Workflow
Every frontend task follows this sequence. Do not skip steps.
### 1. Understand Before Coding
- For existing projects: read `package.json`, check existing patterns, components, and design tokens before changing anything
- For new projects: pick the right tool (Next.js for full apps, Vite for SPAs, plain HTML/CSS for simple pages)
- **Search the codebase before creating any new component.** If an existing component does 80% of what you need, extend it with props. If two components share the same pattern, extract a shared component.
### 2. Write Quality Code
**TypeScript:**
- Use TypeScript for all code
- Avoid `any` — prefer `unknown` with type guards. If `any` is genuinely the simplest correct approach (e.g. third-party lib interop), use it sparingly
