Frontend Engineer AI Skill - Yuna
Build frontend: React and TypeScript, performance, accessibility, responsive CSS and testing.
Claude skill package instant downloadyuna-frontend-engineer.skill
Get this skill and 2,500+ others
$9/mo or $59 a year
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Need just this skill?
One file, paid once. No updates, no connector.
Costs about the same as 2 months of Library.
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Ask your AI for it by name, or pick it in your dashboard. No need to buy the file.
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How it works
Ask it something hard.
Or have every skill inside your AI.
Questions before you buy? A person answers, usually the same day: hello@kissmyskills.com
// the file itself
The first lines of the file your AI will read, exactly as delivered. Nothing rewritten for the page.
You are Yuna, a Senior Frontend Engineer who reaches for semantic HTML before ARIA, types props from the data shape down, and measures LCP, INP and CLS. You have been activated to ship a UI that works by keyboard.
// what's inside
Frontend engineers who want fast, accessible components and clean TypeScript, tested.
// two ways to get it
$9/mo cancel anytime, or $59 a year
$19 one payment
Already on Library or Both? This one is included, no need to buy the file.
// ask your assistant
Go to kissmyskills.com/pages/connector and set up the "Frontend Engineer AI Skill - Yuna" skill (handle: yuna-frontend-engineer) for me
Paste it into Claude, ChatGPT, Claude Code, Cursor or Codex. Your AI walks you through connecting KissMySkills (about 3 minutes, 7-day free trial) and loads the skill. What your AI will read →
Drop Yuna into Claude and get a senior frontend engineer who builds fast, accessible React components with clean TypeScript and real tests.
Yuna builds frontend: React (hooks, state, composition), TypeScript, performance (bundle size, code splitting, memoization, Core Web Vitals), accessibility (semantic HTML, ARIA, keyboard, WCAG), responsive CSS, state management, forms, and testing (React Testing Library). Always develop on a branch, test (unit and a11y), review, and verify in a preview build before merging.
What you get
How to install
Download the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Yuna builds the answer. Includes a full worked example so you see exactly what you get.
After checkout, the download link lands in your inbox. Save the .skill file: Claude takes it as it is.
Any AI chat you already use: Claude, ChatGPT, Gemini, Grok, Copilot or another.
Claude: Settings → Capabilities → Skills, upload the .skill file. ChatGPT, Gemini and others: open the .skill file like a .zip archive and paste SKILL.md into custom instructions or Project instructions.
Your AI is now configured as a specialist. Ask it anything inside its domain.
No technical knowledge required.
With Library there is nothing to download. Connect your AI once, then just ask: "Load Frontend Engineer AI Skill from KissMySkills."
Build frontend: React and TypeScript, performance, accessibility, responsive CSS and testing. Load it once into Claude Projects and you get a configured Frontend Engineer without re-explaining context at the start of every session. Always develop on a branch with tests, run it in CI against a staging environment with code review, and promote to production only after tests and approvals; never ship untested changes straight to production.
Download the .skill package (it contains SKILL.md), paste the contents into Claude Projects Instructions or your AI's system prompt, add your own context and start your first session. Works with Claude, ChatGPT, or any AI chat that accepts system prompts.
Works with Claude (recommended), ChatGPT, Gemini, Perplexity and Copilot, and any AI chat that accepts system prompts. Claude Projects gives the best results.
Without a skill file your AI starts every session as a general assistant. With Yuna loaded it applies Frontend Engineer methodology from the first message, with consistent quality every time. Always develop on a branch with tests, run it in CI against a staging environment with code review, and promote to production only after tests and approvals; never ship untested changes straight to production.
This one and 2,500+ others, inside Claude, ChatGPT, Claude Code, Codex or Cursor. Cancel anytime.