seo-radar — SEO Quick Audit MCP Server

Audit the SEO of any URL in seconds — right from your AI assistant.

Free. No API key. No account. Works with Claude Desktop, Cursor, Windsurf, and Claude Code.

Quick Start (Remote — recommended)

Add to your MCP config:

{
  "mcpServers": {
    "seo-radar": {
      "url": "https://seo.zerhal.fr/api/mcp"
    }
  }
}

That's it. No API key needed.

Tools

| Tool | Description | |------|-------------| | audit_url | Full SEO audit with score out of 100 (title, meta, headings, OG, images, performance) | | check_indexation | Check if a URL is indexed by Google (best-effort, rate limited) | | extract_headings | Analyze H1-H6 heading structure with tree view and issue detection | | check_broken_links | Scan a page for broken links (4xx, 5xx, redirects, timeouts) | | analyze_competitors | Compare SEO meta tags of 2-5 URLs side by side | | check_robots_txt | Fetch and analyze robots.txt directives for any domain |

Examples

• "Audit the SEO of https://mysite.com"
• "Check if my blog post is indexed on Google"
• "Find broken links on https://mysite.com"
• "Compare SEO of my site vs competitor.com"
• "Check the robots.txt of example.com"
• "Show me the heading structure of https://mysite.com/blog/post"

Local (stdio) Install

npx seo-radar

Or add to your MCP config for local mode:

{
  "mcpServers": {
    "seo-radar": {
      "command": "npx",
      "args": ["seo-radar"]
    }
  }
}

No environment variables required.

How it works

seo-radar fetches public web pages and analyzes their HTML for SEO best practices. No external API needed — everything runs on standard HTTP fetch + HTML parsing.

Scoring (audit_url)

| Check | Max Points | |-------|-----------| | Title (present, 30-60 chars) | 15 | | Meta description (present, 120-160 chars) | 15 | | H1 (unique) | 10 | | Heading structure (no skipped levels) | 10 | | Open Graph (title + description + image) | 10 | | Canonical URL | 10 | | Image alt attributes | 10 | | HTTPS | 5 | | Viewport meta | 5 | | Response time (<1s) | 5 | | Language attribute | 5 |

Grades: A (90+), B (70-89), C (50-69), D (30-49), F (<30)

Development

cd seo-radar/
npm install
npm run dev              # Next.js dev server
npm run build:stdio      # Build stdio fallback
npm run test             # Unit tests
npm run test:e2e         # E2E tests (requires build:stdio)
npm run test:all         # All tests
npm run inspect          # MCP Inspector

License

MIT