User-agent: * Allow: / Disallow: /404 Disallow: /500 # Search engines: full access. User-agent: Googlebot Allow: / User-agent: Bingbot Allow: / # Answer-engine bots: citation-allowed (helps surface us in AI search results). User-agent: ChatGPT-User Allow: / User-agent: PerplexityBot Allow: / User-agent: Google-Extended Allow: / User-agent: ClaudeBot Allow: / # Bulk-training scrapers: discouraged (see /ai-policy). User-agent: GPTBot Disallow: / User-agent: CCBot Disallow: / Sitemap: https://mtgcalculator.org/sitemap-index.xml