Web Quality Skills plugin for Grok Build
Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals.
How to install Web Quality Skills in Grok Build
grok plugin install addyosmani/web-quality-skills --trustReview before you trust it. --trust lets this plugin's hooks, MCP servers and scripts run code on your computer. It's a community repo that neither xAI nor GrokStacks has reviewed, so read its code first.
We install this repo directly: Grok Build 1.0.62 can't install it through its own marketplace file. Then start a new Grok session, or press r in /plugins, to load it.
Command format: Grok Build's plugin guide
What we checked: on Oct 18, 2026 it installed with grok 1.0.62 and Grok found 6 skills. That's an install check only: we haven't run it in a live Grok session.
What it contains
Skills (6)
accessibility— Audit and improve web accessibility following WCAG 2.2 guidelines. Use when asked to "improve accessibility", "a11y audit", "WCAG compliance", "screen reader support", "keyboard navigation", or "make accessible".best-practices— Apply modern web development best practices for security, compatibility, and code quality. Use when asked to "apply best practices", "security audit", "modernize code", "code quality review", or "check for vulnerabilities".core-web-vitals— Optimize Core Web Vitals (LCP, INP, CLS) for better page experience using field and lab evidence. Use when asked to "improve Core Web Vitals", "fix LCP", "reduce CLS", "optimize INP", "page experience optimization", or "fix layout shifts".performance— Optimize web performance for faster loading and better user experience. Use when asked to "speed up my site", "optimize performance", "reduce load time", "fix slow loading", "improve page speed", or "performance audit".seo— Optimize for search engine visibility and ranking. Use when asked to "improve SEO", "optimize for search", "fix meta tags", "add structured data", "sitemap optimization", or "search engine optimization".web-quality-audit— Run an evidence-led web quality audit covering performance, accessibility, SEO, best practices, and agentic browsing. Use when asked to "audit my site", "review web quality", "run lighthouse audit", "check page quality", or "optimize my web
About this listing
Web Quality Skills is a community plugin on GitHub by addyosmani, written as a Claude Code plugin that Grok Build installs. We install-checked it in Grok; we haven't run it in a live session or reviewed its code. When we installed it, Grok found 6 skills. Its license is MIT. We checked commit afa8da942115. It's one of 34 listings in the Testing category on GrokStacks.
Stacks Weekly: every new Grok Build and Codex plugin, every Tuesday.
One short email for GrokStacks and CodexStacks readers, with each new plugin's install line and what it ships. Subscribe and get the free starter list: 20 Grok Build plugins worth installing first.
You'll get a confirmation email first. Unsubscribe anytime.
Web Quality Skills FAQ
How do I install Web Quality Skills in Grok Build?
Run grok plugin install addyosmani/web-quality-skills --trust. We install-checked this command in Grok Build. We install this repo directly: Grok Build 1.0.62 can't install it through its own marketplace file. Then start a new Grok session, or press r in /plugins, to load it.
Is Web Quality Skills an official Grok Build plugin?
No. Web Quality Skills is a community plugin on GitHub by addyosmani, not in xAI's official Grok Build marketplace. We checked that it installs and what Grok loads from it, but haven't run it in a live Grok session or reviewed its code.
What does Web Quality Skills include?
According to what Grok loaded in our install check, Web Quality Skills includes 6 skills: accessibility, best-practices, core-web-vitals, performance, seo, web-quality-audit.
Details
- Type
- Plugin
- Category
- Testing
- Source
- Community Claude Code plugin, installs in Grok
- License
- MIT
- Author
- addyosmani
- Version
- 2.0.0
- Keywords
- accessibility, agent-skills, claude-skills, core-web-vitals, lighthouse, skills, testing, web-performance
- Source repo
- https://github.com/addyosmani/web-quality-skills
- Checked commit
afa8da942115- Checked by GrokStacks
- Install-checked in Grok Build on Oct 18, 2026; not run in a live session
Something wrong or missing? Submit or improve this listing. Marketplace listings also refresh automatically every night.
For maintainers: badge and embeds
Maintain Web Quality Skills? Add the badge; it links to this page.
Markdown
[](https://grokstacks.com/p/web-quality-skills/)HTML
<a href="https://grokstacks.com/p/web-quality-skills/"><img src="https://grokstacks.com/badge.svg" alt="Listed on GrokStacks" width="164" height="28"></a>Embed card (static HTML and inline CSS, no JavaScript). Preview:
<a href="https://grokstacks.com/p/web-quality-skills/" style="display:block;max-width:380px;box-sizing:border-box;padding:14px 16px;border:1px solid #2a2e3c;border-radius:12px;background:#0a0b0f;color:#e8eaf0;font:14px/1.45 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;text-decoration:none"><span style="display:block;font-size:16px;font-weight:700;color:#e8eaf0">Web Quality Skills</span><span style="display:block;margin:2px 0 8px;font-size:12px;color:#9aa0b1">Community plugin for Grok Build · 6 skills</span><span style="display:block;margin:0 0 10px;color:#c9cdd8">Agent Skills for optimizing web quality based on Lighthouse and Core Web Vitals.</span><span style="font-size:12px;font-weight:600;color:#7c9cff">View on GrokStacks →</span></a>Markdown summary
**[Web Quality Skills on GrokStacks](https://grokstacks.com/p/web-quality-skills/)**: Community plugin for Grok Build with 6 skills. Install: `grok plugin install addyosmani/web-quality-skills --trust`More on badges, embeds and keeping your listing up to date: GrokStacks for plugin authors.
Also in Testing
Agentic Qe
Agentic QE Fleet is an open-source AI-powered QA/QE platform designed for use with Coding Agents (works best with Claude Code) featuring specialized agents and skills to support testing activities for a product at any stage of the SDLC. Free to use, fork, build, and contribute. Based on the Agentic QE Framework created by Dragan Spiridonov.
Brooks Lint
AI code reviews grounded in 12 classic engineering books — decay risk diagnostics with book citations, severity labels, and 6 analysis modes including full-sweep auto-fix
Cavekit
Frozen — compressed spec-driven development plugin for Claude Code. Still works; active development moved to JuliusBrussee/caveman.
Cc 1c Skills
Набор навыков для AI(ИИ)-агентов (Claude Code, Cursor, Codex и др.), помогающий охватить полный цикл разработки на платформе 1С:Предприятие 8.3. Даёт модели абстракции над XML-форматами и CLI конфигуратора, а также глаза и руки для тестирования через веб-клиент. AI skills for 1C:Enterprise 8.3.
Claude Night Market
23 Claude Code plugins: TDD enforcement hooks, git/PR workflows, spec-driven development, code review, project lifecycle, fix-from-error, maintenance automation, context optimization, research, and multi-LLM delegation. 186 skills, 128 commands, 54 agents.
Claude Skills Marketplace
Claude Code Skills for software engineering workflows - Git automation, testing, and code review