robots.txt for Medex PMC LLC User-agent: * Allow: / Explicitly allow major AI crawlers User-agent: GPTBot Allow: / User-agent: ChatGPT-User Allow: / User-agent: ClaudeBot Allow: / User-agent: PerplexityBot Allow: / User-agent: Google-Extended Allow: / User-agent: CCBot Allow: / Optional: OpenAI search crawler User-agent: OAI-SearchBot Allow: / Sitemap Sitemap: https://medexpmc.com/sitemap_index.xml