meta-externalfetcher

Meta · inference. Fetches individual links at a user's request to support Meta AI task completion. It is user-triggered, not bulk crawling.

name
meta-externalfetcher
operator
Meta
purpose
inference
ua_substring
meta-externalfetcher
robots_token
meta-externalfetcher
respects_robots
yes
verify
Meta documents its crawlers and honors robots.txt; match the UA and a Meta-owned IP (see documentation_url).
notes
Fetches individual links at a user's request to support Meta AI task completion. It is user-triggered, not bulk crawling.
canonical_name
meta-externalfetcher
user_agent_token
meta-externalfetcher
ua_full
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
bot_type
user-action-fetcher
bot_type_extension
opt_out_mechanism
robots.txt disallow (User-agent: meta-externalfetcher)
published_ip_range_url
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
asn
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
reverse_dns_suffix
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
supports_web_bot_auth
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
signature_agent_domain
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
jwks_url
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
verification_methods
user-agent-string
crawl_traffic_share
— verify-against-primary-at-build ↗ https://radar.cloudflare.com/bots
targeted_content_type
HTML, text
documentation_url
https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
first_seen_date
— verify-against-primary-at-build ↗ https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/
last_verified_date
2026-07-06
block_vs_allow_recommendation
conditional — user-triggered fetch for Meta AI; allow so Meta AI users can reach your pages.
citation_referral_value
medium (surfaces in user-facing Meta AI answers)
cloudflare_verified_category
— verify-against-primary-at-build ↗ https://radar.cloudflare.com/bots
status
active
triples
["meta-externalfetcher","operated_by","Meta"] ["meta-externalfetcher","has_bot_type","user-action-fetcher"] ["meta-externalfetcher","verified_via","user-agent-string"]
attribute_sources
{"claims":["user_agent_token","robots_token"],"source":"https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/","last_verified":"2026-07-06"} {"claims":["operator","purpose","documentation_url","respects_robots"],"source":"https://developers.facebook.com/docs/sharing/webmasters/web-crawlers/","last_verified":"2026-07-06"}

last verified · by

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