{
 "slug": "meta-externalagent",
 "name": "meta-externalagent",
 "operator": "Meta",
 "operator_slug": "meta",
 "category": "ai-training",
 "category_label": "AI training crawlers",
 "robots_token": "meta-externalagent",
 "user_agent_substring": "meta-externalagent",
 "user_agent_example": "meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)",
 "respects_robots_txt": "documented",
 "respects_robots_txt_label": "obeys robots.txt (documented)",
 "verification_method": "none",
 "verification_label": "no published verification method",
 "published_ip_ranges_url": null,
 "ip_ranges_endpoint": null,
 "ipv4_prefix_count": 0,
 "ipv6_prefix_count": 0,
 "what_it_is": "Meta's AI crawler, gathering training data for Llama and Meta AI. It replaced the older FacebookBot name for this purpose.",
 "cost_of_blocking": "Excluded from Meta AI training. Link previews on Facebook, Instagram and WhatsApp are unaffected — those are a different bot.",
 "operator_docs": "https://developers.facebook.com/docs/sharing/webmasters/web-crawlers",
 "html_url": "https://www.pathwren.workers.dev/crawler/meta-externalagent.html",
 "json_url": "https://www.pathwren.workers.dev/crawler/meta-externalagent.json",
 "last_reviewed": "2026-09-01"
}