# Search and user-requested AI retrieval are permitted. User-agent: OAI-SearchBot Allow: / User-agent: ChatGPT-User Allow: / User-agent: Claude-SearchBot Allow: / User-agent: Claude-User Allow: / User-agent: PerplexityBot Allow: / User-agent: Perplexity-User Allow: / # Opt out of known model-training and dataset crawlers. User-agent: GPTBot Disallow: / User-agent: ClaudeBot Disallow: / User-agent: Google-Extended Disallow: / User-agent: Applebot-Extended Disallow: / User-agent: CCBot Disallow: / User-agent: Bytespider Disallow: / User-agent: Meta-ExternalAgent Disallow: / User-agent: cohere-ai Disallow: / User-agent: * Allow: / Sitemap: https://dean.engineer/sitemap-index.xml