# AgentReadyScan > Free scanner that grades any business website on AI-agent readiness: whether ChatGPT, Claude, Perplexity, and shopping agents can discover, read, and recommend the business. The scan runs 14 checks across four categories — Discoverability (llms.txt, robots.txt AI-crawler policy, sitemap), Machine Readability (schema.org JSON-LD, semantic HTML, content without JavaScript), Content Clarity (title, meta description, alt text, Open Graph), and Trust & Access (HTTPS, speed, contact info) — and returns a letter grade with prioritized fixes. ## Pages - [Scanner](https://agentreadyscan.com/): enter a URL, get a grade in ~30 seconds. Free.