About
Meta's dedicated AI training crawler, separate from FacebookBot. Used specifically to collect training data for Meta's Llama models and other AI initiatives.
Purpose
AI model training for Llama and Meta AI
User Agent String
Mozilla/5.0 (compatible; Meta-ExternalAgent/1.0; +https://www.meta.com/agents)
How to Control in robots.txt
🚫 Block Meta-ExternalAgent
User-agent: Meta-ExternalAgent Disallow: /
✅ Allow Meta-ExternalAgent
User-agent: Meta-ExternalAgent Allow: /
Complete Guide: How to Block Meta-ExternalAgent
Server-level blocking, nginx configs, Cloudflare rules, Next.js middleware, and more →
Other Bots by Meta
Is Meta-ExternalAgent crawling your site?
Run a free scan to check if Meta's crawler is accessing your website.
Check if Meta-ExternalAgent is crawling YOUR site →