# AI Crawler Index — Caddy # curl -s https://www.pathwren.workers.dev/snippet/caddy.txt @ai_training header_regexp User-Agent "(?i)(GPTBot|ClaudeBot|anthropic\-ai|GoogleOther|Bytespider|TikTokSpider|meta\-externalagent|FacebookBot|cohere\-training\-data\-crawler|Webzio\-Extended|SemrushBot\-OCOB)" @disputed header_regexp User-Agent "(?i)(Bytespider|TikTokSpider)" handle @disputed { respond "403 - see /robots.txt" 403 } handle @ai_training { header X-Crawler-Class "ai-training" # file_server / reverse_proxy as usual }