来源: a2a-registry/browse Agent Card: https://citewren.cybermax-tools.workers.dev/.well-known/agent-card.json A2A: https://citewren.cybermaxtools.com/a2a AI search readiness check API: scores a website on what AI crawlers and answer engines need (AI crawler rules in robots.txt, llms.txt, schema.org JSON-LD, sitemap, Open Graph, basics) and lists the issues. Free: 3 checks a day; a Pro key adds fixes, a 15-page crawl, a ready llms.txt draft and weekly monitoring.