Open-Source AI Agent Skills

SEO Audits That
Think Like Experts

11 SKILL.md files that teach AI coding agents to run comprehensive, industry-standard SEO audits on any HTML page — no dependencies, no setup.

Works with Cursor · Claude Code · VS Code Copilot & more

10
SEO Skills
60+
Audit Checks
7+
AI Agents
0
Dependencies
AI Agent Terminal —
Why nextjs-seo-audit

Built different from traditional SEO tools

Instead of running scripts or crawling URLs, this project lets AI agents perform audits by reading simple markdown instructions.

Zero Runtime

No Code to Run

The AI agent reads plain-language instructions and audits pages using its own capabilities. There is nothing to install, compile, or execute.

Lightweight

No Dependencies

The entire toolkit is a set of SKILL.md files. No npm packages, no build steps, no configuration files required.

Universal

Multi-Agent Compatible

Designed for Cursor, Claude Code, VS Code Copilot, Gemini CLI, Roo Code, Amp, and any agent that reads markdown.

Prescriptive

Actionable Results

Every check returns a clear PASS, WARN, or FAIL status alongside specific, copy-paste-ready fix instructions.

10 SEO Audit Skills

Each skill is a standalone SKILL.md file covering a specific area of SEO — from meta tags to Core Web Vitals.

On-Page Optimization
Content & Structure

Validates heading hierarchy, keyword density and placement, and internal/external link structure for any HTML page.

H1 tag validationHeading hierarchy (H1–H6)Keyword density analysis
Schema / JSON-LD Optimization
Structured Data

Validates existing JSON-LD structured data and suggests relevant schemas based on auto-detected page type. Only checks what is applicable to the current page context.

JSON-LD presence & validityAuto-detect page typeArticle schema fields
Meta Data Optimization
Meta Tags

Validates title tags, meta descriptions, Open Graph tags, and Twitter Cards for search engine and social media optimisation.

Title tag length & qualityMeta description lengthOpen Graph tags (5 required)
Semantic Layout
HTML Structure

Validates HTML5 semantic elements, ARIA landmarks, skip navigation, and page structure for SEO and accessibility.

Required elements (header, main, footer, nav)Recommended elements (article, section, aside)Skip-navigation link
Site Speed Optimization
Performance

Audits stylesheet loading, inline CSS volume, image alt text, image formats, and Next.js Image component usage.

Total external script countInline CSS volumeStylesheet count
Mobile Optimization
Mobile UX

Validates viewport meta configuration, responsive design, font sizes, touch target sizes, and mobile-hostile patterns.

Viewport meta tagFixed-width elementsFont size checks
Backlink Monitoring
Link Profile

Analyses outbound links for dofollow/nofollow strategy, domain diversity, anchor text quality, and sponsored/UGC attributes.

External link identificationDofollow/nofollow ratioSponsored & UGC attributes
International SEO
Multi-Language

Validates hreflang tags, multi-language configuration, regional targeting, and internationalisation best practices.

Hreflang tag validationHTML lang attributeContent-Language meta
Technical SEO
Crawlability

Audits sitemap references, robots.txt directives, canonical tags, crawlability, URL structure, redirect chains, and indexability.

Canonical URL validationRobots meta directivesSitemap references
Core Web Vitals
Performance Metrics

Audits HTML patterns that affect Core Web Vitals (LCP, CLS, INP). Checks for layout shift causes, largest contentful paint blockers, and interaction responsiveness issues.

LCP image optimizationRender-blocking resourcesCLS layout shift prevention

How It Works

No configuration, no API keys — just clone the skills into your project and ask your AI agent.

1

Discovery

Agent finds SKILL.md files at startup and loads metadata

2

Matching

When you ask an SEO question, the agent routes to the relevant skill(s)

3

Auditing

The agent reads detailed instructions with exact rules, thresholds, and checklists

4

Reporting

Results are reported as PASS / WARN / FAIL with actionable fixes

Compatibility

Works with every major AI agent

Drop the skill files into your project and your favourite AI coding assistant picks them up automatically — no configuration required.

Any agent that reads SKILL.md files from the workspace is compatible.

Quick Start

Get up and running in under 30 seconds — just clone and ask.

terminal
# Clone into your project
$ git clone https://github.com/thisisAhsanIqbal/nextjs-seo-audit.git .agent/skills/nextjs-seo-audit
# Or add as a Git submodule (recommended for teams)
$ git submodule add https://github.com/thisisAhsanIqbal/nextjs-seo-audit.git .agent/skills/nextjs-seo-audit
# That's it! No configuration needed. Ask your AI agent:

Try these prompts

"Run a full SEO audit on this page"
"Check schema markup on my homepage"
"Is my site mobile-friendly?"
"Audit the meta tags for this page"
"What are my Core Web Vitals issues?"