Web crawler lookup

What is Meta External Agent?

Meta External Agent is a ai or training crawler operated by Meta. Use this crawler profile to identify user-agent tokens, operator signals, platform hints, and recommended handling.

Meta External Agent

Meta · AI or training crawler

Version
1.1
First seen
May 20, 2026
Last seen
May 25, 2026
Confidence
Known user-agent token

What is Meta External Agent?

Meta External Agent is a ai or training crawler operated by Meta. Meta External Agent is likely used by Meta to collect or evaluate public web content for AI, language, or training systems.

Meta External Agent matched a known crawler token in the user-agent string, but this page alone does not prove IP ownership.

How to identify Meta External Agent in logs

Search server logs for Meta External Agent, Meta-ExternalAgent. Matching those tokens is useful for discovery, but IP verification is still recommended before trusting the identity.

Meta External AgentMeta-ExternalAgent

meta-externalagent/1.1 (+https://developers.facebook.com/docs/sharing/webmasters/crawler)

Use this as a web-crawler lookup reference for identifying how this user-agent presents itself in server logs.

User-agent signals

Product tokens
meta-externalagent/1.1
Contact
None found
Platform
Unknown · Unknown
Browser profile
Unknown · Unknown
Browser-like UA
No
HTTP library
Unknown
Spoof risk
Medium

Questions answered by this crawler profile

What is Meta External Agent?

Meta External Agent is likely used by Meta to collect or evaluate public web content for AI, language, or training systems.

Who operates Meta External Agent?

Meta External Agent is associated with Meta.

How do I identify Meta External Agent in logs?

Search server logs for Meta External Agent, Meta-ExternalAgent. Matching those tokens is useful for discovery, but IP verification is still recommended before trusting the identity.

Should I allow Meta External Agent?

Verify IP ownership or behavior before making security decisions because user-agent strings can be spoofed. Review your robots.txt and AI crawler policies, then allow, block, or rate-limit it based on your content usage preferences.

Does Meta External Agent respect robots.txt?

Robots.txt compliance cannot be proven from a user-agent string alone. Check the crawler operator documentation and your own logs before assuming behavior.