User-agent: * Disallow: # AI retrieval / citation bots - explicit ALLOW User-agent: OAI-SearchBot Allow: / User-agent: ChatGPT-User Allow: / User-agent: Claude-User Allow: / User-agent: Claude-SearchBot Allow: / User-agent: PerplexityBot Allow: / User-agent: Perplexity-User Allow: / User-agent: Applebot-Extended Allow: / # AI training bots - ALLOW (per client decision 2026-04-20) User-agent: GPTBot Allow: / User-agent: ClaudeBot Allow: / User-agent: Claude-Web Allow: / User-agent: Google-Extended Allow: / User-agent: CCBot Allow: / User-agent: anthropic-ai Allow: / User-agent: cohere-ai Allow: / Sitemap: https://www.douglaswilson.com/sitemap_index.xml