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5 free tools so Claude's websites stop looking AI-made

Art direction, a check for classic AI design mistakes, a real browser so Claude sees its own work, real design systems to learn from, and 100+ quality rules.

CostAll five are free and open source
Stars on GitHub14.2k to 121k
Quality rules100+ in Vercel's skill

Checked on 14 Oct 2026. Tools change fast, so the official page always wins if it says something different.

What you need first

1An AI coding assistant like Claude CodeThese tools add skills and checks to it.
2Node.jsThe install commands use npx and npm.

The 5 tools, one by one

1. Taste Skill: art direction

Gives Claude an art direction, real photos and a way to check its own work in a browser. About 96.3k stars. Taste Skill on GitHub

In your terminal (Mac or Windows)
npx skills add https://github.com/Leonxlnx/taste-skill

2. Impeccable: catches AI design mistakes

Catches the classic AI design tells (59 detector rules). Its live mode, /impeccable live, lets you click any part of your page and get new versions. About 81.2k stars. Impeccable on GitHub

In your terminal (Mac or Windows)
npx impeccable install
Then inside Claude Code
/impeccable init

Tip: Live mode only works on your local dev site, the version running on your own computer.

3. Playwright CLI by Microsoft: Claude sees its own work

Claude opens your site in a real browser and takes screenshots of its own work, so it can spot problems. About 14.2k stars. Playwright CLI on GitHub

In your terminal (Mac or Windows)
npm i -g @playwright/cli@latest
playwright-cli install --skills

4. Awesome Design MD: real design systems

83 DESIGN.md files based on brands like Stripe, Linear and Vercel, as files Claude can follow. About 121k stars. Awesome Design MD on GitHub

Tip: It's unofficial. Use a file as inspiration for your own style, not to copy a brand.

5. Vercel's Web Design Guidelines skill

Checks your code against 100+ rules for accessibility, performance and UX. It's in Vercel's agent-skills repo. vercel-labs/agent-skills on GitHub

Tip: Follow the install steps in the repo's README.

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