@gridwork/siteaudit

An MCP server that audits any website for accessibility (WCAG 2.1 AA / EAA), performance, SEO, design quality, and mobile responsiveness. Get actionable scores, grades, and prioritized fixes.

Built for the compliance era: EU Accessibility Act enforcement is live, EU AI Act deadline is August 2026. Every website needs auditing.

By Gridwork

Tools

Tool	Description
`audit_site`	Full comprehensive audit across all 5 categories
`quick_check`	Scores and grades only — fast triage
`audit_accessibility`	WCAG 2.1 AA focused audit with criterion references
`audit_performance`	Performance analysis with actionable fixes
`audit_seo`	SEO check: meta, OG, structured data, etc.
`compare_sites`	Side-by-side comparison of two URLs

Install

Claude Code

Terminal

claude mcp add @gridwork/siteaudit -- node /path/to/@gridwork/siteaudit/dist/index.js

Claude Desktop (claude_desktop_config.json)

config.json

{
  "mcpServers": {
    "@gridwork/siteaudit": {
      "command": "node",
      "args": ["/path/to/@gridwork/siteaudit/dist/index.js"]
    }
  }
}

Cursor / Windsurf

Add to your MCP config:

config.json

{
  "@gridwork/siteaudit": {
    "command": "node",
    "args": ["/path/to/@gridwork/siteaudit/dist/index.js"]
  }
}

Build from Source

Terminal

npm install
npm run build

What It Checks

Accessibility (30% of score)

Language attribute, image alt text, form labels
Heading hierarchy, link text quality, ARIA landmarks
Skip navigation, tab order, auto-playing media
WCAG criterion references on every issue

Performance (20%)

Load time, page size, DOM complexity
Render-blocking resources, compression, caching
Image optimization (dimensions, lazy loading)
Resource preloading and preconnect hints

SEO (20%)

Title, meta description, heading structure
Open Graph, Twitter Cards, canonical URL
Structured data (JSON-LD), favicon
Internal linking, robots directives

Design Quality (15%)

Font consistency, color system coherence
Touch target sizes, text readability
Visual hierarchy, CTA presence
Dark mode support, branding elements

Mobile (15%)

Viewport configuration, zoom support
Fixed-width overflow detection
Responsive images, media queries
Input types for mobile keyboards

EAA Compliance Status

Every audit includes an EAA (European Accessibility Act) compliance assessment:

COMPLIANT: Meets WCAG 2.1 AA baseline
PARTIAL: Some issues to resolve
NON-COMPLIANT: Critical accessibility failures

License

MIT