Which sites block AI agents?

What each company's site says to the AI agents people send to shop, book and bank for them.

47 companies

Country	Company ↑	Verdict	By agent	Fee	Last checked	Notes	Actions
	M Mercado Libremercadolibre.com, Retail	BlockedCovers 3 of 5 agents	Blocked: ChatGPT, Claude, Perplexity	Unknown	19h ago		Submit correction
	M Metafacebook.com, Social	BlockedCovers all 5 agents	Blocked: ChatGPT, Claude, Perplexity, Gemini, Meta AI	Unknown	19h ago		Submit correction
	N NBC Newsnbcnews.com, News	BlockedCovers 4 of 5 agents	Blocked: ChatGPT, Claude, Perplexity, Meta AI	Unknown	19h ago		Submit correction
	N Neiman Marcusneimanmarcus.com, Retail	BlockedReported	Company-wide statement only	Unknown	19h ago		Submit correction
	P Pinterestpinterest.com, Social	BlockedCovers all 5 agents	Blocked: ChatGPT, Claude, Perplexity, Gemini, Meta AI	Unknown	18h ago		Submit correction
	Q Quoraquora.com, Social	BlockedCovers 2 of 5 agents	Blocked: ChatGPT, Claude	Unknown	18h ago		Submit correction
	R Redditreddit.com, Social	BlockedCovers all 5 agents	Blocked: ChatGPT, Claude, Perplexity, Gemini, Meta AI	Unknown	11h ago		Submit correction
	T The Guardiantheguardian.com, News	BlockedCovers 1 of 5 agents	Blocked: Claude	Unknown	17h ago		Submit correction
	T The New York Timesnytimes.com, News	BlockedCovers 4 of 5 agents	Blocked: ChatGPT, Claude, Perplexity, Meta AI	Unknown	11h ago		Submit correction
	T The Telegraphtelegraph.co.uk, News	BlockedCovers 4 of 5 agents	Blocked: ChatGPT, Claude, Perplexity, Meta AI	Unknown	17h ago		Submit correction
	T The Vergetheverge.com, News	BlockedCovers 4 of 5 agents	Blocked: ChatGPT, Claude, Perplexity, Meta AI	Unknown	17h ago		Submit correction
	T The Washington Postwashingtonpost.com, News	BlockedCovers 1 of 5 agents	Blocked: Meta AI	Unknown	17h ago		Submit correction
	T TikToktiktok.com, Social	BlockedCovers 3 of 5 agents	Blocked: ChatGPT, Claude, Perplexity	Unknown	17h ago		Submit correction
	U UOLuol.com.br, News	BlockedCovers 3 of 5 agents	Blocked: Claude, Perplexity, Meta AI	Unknown	17h ago		Submit correction
	U USA Todayusatoday.com, News	BlockedCovers all 5 agents	Blocked: ChatGPT, Claude, Perplexity, Gemini, Meta AI	Unknown	16h ago		Submit correction
	W Weiboweibo.com, Social	BlockedCovers all 5 agents	Blocked: ChatGPT, Claude, Perplexity, Gemini, Meta AI	Unknown	16h ago		Submit correction
	W Wells Fargowellsfargo.com, Banking	BlockedConfirmed	Company-wide statement only	Unknown	16h ago		Submit correction
	W Wiredwired.com, News	BlockedCovers 3 of 5 agents	Blocked: Claude, Perplexity, Meta AI	Unknown	16h ago		Submit correction
	X X (Twitter)x.com, Social	BlockedCovers all 5 agents	Blocked: ChatGPT, Claude, Perplexity, Gemini, Meta AI	Unknown	16h ago		Submit correction
	X Xiaohongshuxiaohongshu.com, Retail	BlockedCovers all 5 agents	Blocked: ChatGPT, Claude, Perplexity, Gemini, Meta AI	Unknown	16h ago		Submit correction
	Y Yahooyahoo.com +1, Search	BlockedCovers 1 of 5 agents	Blocked: ChatGPT	Unknown	16h ago		Submit correction
	Y Yelpyelp.com, Local	BlockedCovers all 5 agentsUnconfirmed lead: Conditional	Blocked: ChatGPT, Claude, Perplexity, Gemini, Meta AI	Paid	16h ago	Reportedly only agents paying into data licensing. Unverified.	Submit correction

An agent that is not listed has no data, which does not mean it is allowed. Italic names are agents whose vendors say they may ignore robots.txt, so those rules show the site's preference rather than enforcement.