Meta-ExternalFetcher — What It Is and How to Handle It

meta-externalfetcher is used by Meta to perform user-initiated fetches of individual links from AI assistant product functions.

Operator: Meta | Type: AI Assistant | Category: AI Crawler

Meta-ExternalFetcher is classified as an AI crawler. It accesses your content for AI-related purposes. If you want to protect your content from being used without compensation, consider blocking or monetizing access from this crawler with Centinel.

Centinel automatically detects Meta-ExternalFetcher using behavioral fingerprinting. When detected, you can allow it, block it, challenge it with an interstitial page, or set a per-request licensing fee — all enforced in real-time with under 2ms latency.