Instant SEO, Performance, and Security Audits for AI Agents — analyze any URL with a single tool call via the Model Context Protocol.
Free tier: 100 audits/month — no credit card
full_audit
Comprehensive SEO + performance + security audit with a unified score (0-100) and letter grade. One tool call, complete picture.
seo_audit
20+ checks: title, meta description, headings, images, links, canonical, Open Graph, Twitter Cards, structured data, mobile viewport.
security_audit
HTTPS, HSTS, CSP, X-Frame-Options, Referrer-Policy, Permissions-Policy, cookie flags, server disclosure, SSL certificate validity.
performance_audit
Response time, page size, compression (gzip/brotli), cache headers, redirect chain analysis, HTTP status codes.
lighthouse_audit
Google PageSpeed Insights integration: performance, accessibility, best practices, SEO scores, and Core Web Vitals (LCP, CLS, TBT).
compare_sites
Side-by-side audit of multiple websites. Compare SEO, security, and performance scores. Automatic ranking by overall score.
check_links
Crawl and validate all links on a page. Find 404s, redirects, timeouts, and unreachable URLs with detailed status reports.
check_robots_txt
Parse robots.txt rules, disallowed paths, crawl-delay, and sitemap declarations for any domain.
Title tags, meta descriptions, heading hierarchy, image alt text, structured data, Open Graph, and more.
Full security header audit plus SSL certificate validation and expiration checking.
Lighthouse integration via Google PageSpeed Insights API. LCP, CLS, TBT scores out of the box.
Compare your site against competitors in one tool call. Automatic ranking by audit scores.
Works out of the box by analyzing HTML and HTTP headers directly. Zero configuration required.
Structured output designed for LLMs. Works with Claude Code, Cursor, Windsurf, and any MCP client.
Start free. Upgrade when you need more audits or premium tools.
Enterprise ($349/mo) with on-prem deployment and SLA — contact us
Bundle: Combine with FinanceKit MCP for $39/mo (save 19%)
Prefer to run locally? The server is open source (MIT) and free to self-host.
# Claude Code
claude mcp add siteaudit -- uvx --from siteaudit-mcp siteaudit
# Or via config
{
"mcpServers": {
"siteaudit": {
"command": "uvx",
"args": ["--from", "siteaudit-mcp", "siteaudit"]
}
}
}
All install options on GitHub.