@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

Related MCP server: a11y-mcp-server

Install

Claude Code

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

Claude Desktop (claude_desktop_config.json)

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

Cursor / Windsurf

Add to your MCP config:

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

Build from Source

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