By MariusYvard
Orchestrate 15 specialized agents to audit any website for SEO, design, accessibility, performance, and code quality, and get a scored report with prioritized fixes.
Sub-agent for the Technical SEO dimension of /audit (and /seo audit). Analyzes crawlability, indexability, Core Web Vitals, HTTPS, robots.txt, sitemaps, mobile-friendliness, JavaScript rendering, and security headers.
Sub-agent for the Content quality dimension of /audit (and /seo audit). Evaluates E-E-A-T signals, title tags, meta descriptions, heading structure, keyword usage, readability, thin content, and AI citation readiness.
Sub-agent for the Schema markup dimension of /audit (and /seo audit). Detects existing JSON-LD, validates required and recommended properties, checks for rich result eligibility, and flags critical errors.
Sub-agent for the Performance dimension of /audit (and /seo audit). Evaluates page speed signals, image optimization, font loading, render-blocking resources, and Core Web Vitals readiness.
Sub-agent for the GEO (Generative Engine Optimization) dimension of /audit (and /seo audit). Evaluates AI crawler access, llms.txt compliance, passage citability, brand authority signals, and platform-specific visibility.
Use when the user wants a complete, whole-site audit that combines search visibility, front-end defects, and design quality in one pass. Runs all 15 specialist sub-agents across SEO, accessibility/interaction/layout/code defects, and UX/visual/motion/content design, then merges them into one scored report with a prioritized action plan. Use for: 'audit my whole site', 'complete site audit', 'full website review', 'audit everything', 'is my site good', 'review my site end to end'. For a search-only audit use /seo audit; for defect-only use /inspect; for design-only use /siteasy audit.
Use when the user wants to scan for design anti-patterns, take a browser screenshot, or do a design engineering code review. Covers: missing focus rings, clipped dropdowns, bad z-index, placeholder-as-label, missing reduced-motion (detect); real Chromium screenshots, mobile/desktop viewports, visual bug fixing (preview); motion crimes, accessibility violations, forbidden CSS patterns, token misuse, Before/After review table (review). Use when the user says: 'screenshot this', 'check for anti-patterns', 'scan my code', 'review before I ship', 'show me what this looks like', 'are there visual bugs', 'critique my code'.
Use when the user wants to audit a website, analyze a page, plan an SEO strategy, fix technical SEO, add schema markup, improve content quality, optimize for AI search engines, build local SEO, handle hreflang/i18n, generate sitemaps, optimize images, run programmatic SEO, build competitor comparison pages, cluster keywords, optimize for Search Experience (SXO), monitor SEO drift, analyze backlinks, handle e-commerce SEO, or export a client report. Covers full site audits with parallel sub-agents, single-page analysis, SEO strategy with industry templates, robots.txt, sitemaps, Core Web Vitals, JSON-LD, E-E-A-T, content quality, GEO, llms.txt, AI crawler access, local SEO, hreflang, programmatic SEO, keyword clustering, SXO, drift monitoring, backlink analysis, e-commerce SEO, and PDF report export. Use for any request containing: SEO, rank, Google, search engine, schema, sitemap, robots.txt, meta tags, keywords, AI search, local SEO, hreflang, backlinks, programmatic, ecommerce, or visibility.
Use when the user wants to design, build, plan, critique, audit, polish, clarify, simplify, amplify, animate, typeset, layout, adapt, harden, or otherwise improve a frontend interface. Covers websites, landing pages, dashboards, product UI, app shells, components, forms, settings, onboarding, and empty states. Also handles UX review, Gestalt principles, UX research methodology, personas, journey mapping, information architecture, card sorting, tree testing, cognitive load, WCAG 2.2 accessibility, image strategy (AVIF/WebP/srcset), form patterns, performance, responsive design, mobile ergonomics (thumb-zone, touch targets), theming, anti-patterns, typography, fonts, spacing, color, motion, micro-interactions, parallax, scrollytelling, scroll-driven animations, View Transitions API, container queries, modern CSS (:has(), color-mix()), UX copy, error states, edge cases, i18n, and design systems. For bland designs that need to be bolder, loud designs that should be quieter, or ambitious visual effects. Not for backend-only tasks.
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Build a website you are proud of, even if you have never written a line of code.
v2.2.1 · 4 skills · 60 commands · 119 reference docs · 15 audit sub-agents
NullToHero is an add-on for Claude. Install it once, then ask Claude in plain language to design your pages, get them ranking on Google, and check them for problems before you publish. Claude does the expert work, you stay in control.
What it is · Pick your goal · Install · Skills · Compare · Workflow · Assets
Claude already writes code. NullToHero gives it the taste and the checklists of a senior web team: a designer, an SEO specialist, a quality inspector, and a reviewer who looks at the whole site at once.
You do not learn commands by heart. You say what you want ("make this landing page look more premium", "why am I not on Google", "is this ready to ship"), and Claude picks the right tool. The sections below show what each tool produces so you know what to expect.
| I want to | Type this | What you get back |
|---|---|---|
| Start from nothing | /siteasy express "a coffee shop site" | Brief to styled landing page: concept, tokens, build, checks |
| Build a page or component | /siteasy build | Real, production-ready front-end that matches your brand file |
| Make it better (bland, busy, static, off) | /siteasy improve index.html | The right axis picked from your complaint and applied |
| Check the whole site | /audit yoursite.com | One site health score and one merged action plan |
| Fix what the audit found | /siteasy fix | Findings executed batch by batch through the remediation map |
| Rework an existing site | /siteasy overhaul yoursite.com | Baseline, fixes, before/after proof the score moved |
| Finish and ship | /siteasy ship | Polish, defect scan, deterministic audit and hardening, in order |
| Be found on Google and in AI answers | /seo yoursite.com | A scored report and a prioritized action plan |
| Get a client-ready report | /audit report | Deliverable Markdown, self-contained HTML page, or PDF |
| See it the way a real browser does | /inspect preview index.html | Desktop and mobile screenshots, bugs fixed in a loop |
NullToHero is a Claude Code plugin and a marketplace in one repository.
A. From the marketplace (recommended, auto-updates)
/plugin marketplace add MariusYvard/NullToHero
/plugin install null-to-hero@null-to-hero-marketplace
Later, pull new releases with /plugin marketplace update null-to-hero-marketplace.
B. Manual install (macOS, Linux)
git clone https://github.com/MariusYvard/NullToHero.git
bash NullToHero/install.sh
C. Manual install (Windows PowerShell)
git clone https://github.com/MariusYvard/NullToHero.git
powershell -ExecutionPolicy Bypass -File NullToHero/install.ps1
[!WARNING] A one-liner (
bash <(curl -fsSL https://raw.githubusercontent.com/MariusYvard/NullToHero/main/install.sh)) also works, but it runs a remote script directly. Clone and readinstall.shfirst if you want to inspect it.
[!TIP] The short forms
/siteasy,/seo,/inspectand/auditwork as long as no other plugin claims the same name. If you run several plugins, use the namespaced form/null-to-hero:siteasy.
The doors above are the way in. The four skills below are the full reference behind them: every command stays callable on its own.
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npx claudepluginhub mariusyvard/nulltohero --plugin null-to-heroFull RampStack catalog of website-lifecycle skills across research, brand, build, and audit.
Editorial "Web Wizard" bundle for Claude Code from Agentic Awesome Skills.
Design fluency for frontend development. 1 skill with 23 commands (/impeccable polish, /impeccable audit, /impeccable critique, etc.) and curated anti-pattern detection.
Agent Skills for optimizing web projects against Google Lighthouse, Core Web Vitals, WCAG 2.2, and modern SEO — performance, accessibility, SEO, and best practices.
B12 Website Generator plugin allows you to create a professional, engaging, and user-friendly website in seconds using AI. To create a website, you need to provide a name for your project/business, along with a description of the project/business (goals, structure, etc.).
Automatic closed-loop frontend development with visual testing, browser automation, and iterative refinement using multimodal AI