Agent Ready Crawlers

The field guide to every AI crawler and agent at the door, and the vendors who decide who gets in.

Search index: 15 rows

In short

15 rows in the Index are filed under search index, from 14 operators. 4 publish nothing a site can verify and 0 have no robots.txt token. Of the 9 tokens the crawl measured, Applebot is refused by 14.8 percent of top-10,000 sites and Googlebot by 2.8 percent.

Builds a search index that sends visitors back. Refusing it removes pages from that product.

Search index: 15 rows.

Operator Token Purpose Respects robots.txt Verification Block rate 2026-11-04 Profile
OpenAI OAI-SearchBot Search index Yes IP list 7.7% Profile
Anthropic Claude-SearchBot Search index Yes IP list 7.7% Profile
Perplexity PerplexityBot Search index Yes IP list 11.2% Profile
Google Googlebot Search index Yes Reverse DNS 2.8% Profile
Google Storebot-Google Search index Yes Reverse DNS not measured Profile
Apple Applebot Search index Yes Reverse DNS 14.8% Profile
Microsoft bingbot Search index Yes Reverse DNS 3.1% Profile
Amazon Amzn-SearchBot Search index Yes IP list not measured Profile
Meta meta-webindexer Search index Yes None published not measured Profile
DuckDuckGo DuckDuckBot Search index Yes IP list not measured Profile
Mistral AI MistralAI-Index Search index Yes IP list not measured Profile
You.com YouBot Search index No docs None published 10.3% Profile
Timpi Timpibot Search index No docs None published 9.8% Profile
Huawei PetalBot Search index Yes Reverse DNS 14.1% Profile
Exa ExaSearchBot Search index No docs None published not measured Profile

Block rates in this purpose

Share of the 5,938 top-10,000 sites with a parsed robots.txt that disallow the token at the root, crawl of 2026-11-04. "Named" counts sites with a group for the token; "via *" counts sites that refuse it only because their wildcard group refuses everything.

TokenRefusedNamedVia *All crawled
Applebot14.8%11.6%3.1%11.1%
PetalBot14.1%10.3%3.8%10.9%
PerplexityBot11.2%7.9%3.4%7.9%
YouBot10.3%6.4%3.8%7.3%
Timpibot9.8%5.8%4.0%7.0%
OAI-SearchBot7.7%4.4%3.3%5.4%
Claude-SearchBot7.7%4.1%3.6%5.5%
Bingbot3.1%0.4%2.7%2.2%
Googlebot2.8%0.5%2.3%2.1%

Sources

Last reviewed 2026-11-04