Who blocks AI · #161 in the Majestic Million

robots.txt · checked 9 Nov 2026

Does bsky.app block AI crawlers?

No. bsky.app’s robots.txt lets all 19 AI crawlers we track crawl the site. Search engines such as Googlebot and Bingbot may crawl it.

GPTBotAllowedOAI-SearchBotAllowedClaudeBotAllowedPerplexityBotAllowedGoogle-ExtendedAllowedCCBotAllowed
robots.txt
bsky.app/robots.txt · 13 lines
llms.txt
none
Checked
9 November 2026, as canaicrawl. We check again every week.

Every bot, and the line that decides

Search engines

BotOperatorrobots.txtDeciding line
GooglebotGoogleAllowedline 10 · Allow: / under User-agent: *
BingbotMicrosoftAllowedline 10 · Allow: / under User-agent: *
DuckDuckBotDuckDuckGoAllowedline 10 · Allow: / under User-agent: *
ApplebotAppleAllowedline 10 · Allow: / under User-agent: *
PetalBotHuaweiAllowedline 10 · Allow: / under User-agent: *
YandexBotYandexAllowedline 10 · Allow: / under User-agent: *
BaiduspiderBaiduAllowedline 10 · Allow: / under User-agent: *

AI search

BotOperatorrobots.txtDeciding line
OAI-SearchBotOpenAIAllowedline 10 · Allow: / under User-agent: *
PerplexityBotPerplexityAllowedline 10 · Allow: / under User-agent: *
Claude-SearchBotAnthropicAllowedline 10 · Allow: / under User-agent: *
DuckAssistBotDuckDuckGoAllowedline 10 · Allow: / under User-agent: *
AmazonbotAmazonAllowedline 10 · Allow: / under User-agent: *
YouBotYou.comAllowedline 10 · Allow: / under User-agent: *

AI training

BotOperatorrobots.txtDeciding line
GPTBotOpenAIAllowedline 10 · Allow: / under User-agent: *
ClaudeBotAnthropicAllowedline 10 · Allow: / under User-agent: *
Google-ExtendedGoogleAllowedline 10 · Allow: / under User-agent: *
CCBotCommon CrawlAllowedline 10 · Allow: / under User-agent: *
Applebot-ExtendedAppleAllowedline 10 · Allow: / under User-agent: *
GoogleOtherGoogleAllowedline 10 · Allow: / under User-agent: *
Meta-ExternalAgentMetaAllowedline 10 · Allow: / under User-agent: *
BytespiderByteDanceAllowedline 10 · Allow: / under User-agent: *

User-triggered fetchers

BotOperatorrobots.txtDeciding line
ChatGPT-UserOpenAIAllowedline 10 · Allow: / under User-agent: *
Claude-UserAnthropicAllowedline 10 · Allow: / under User-agent: *
Perplexity-UserPerplexityAllowedline 10 · Allow: / under User-agent: *
MistralAI-UserMistralAllowedline 10 · Allow: / under User-agent: *
Meta-ExternalFetcherMetaAllowedline 10 · Allow: / under User-agent: *

SEO tools

BotOperatorrobots.txtDeciding line
AhrefsBotAhrefsAllowedline 10 · Allow: / under User-agent: *
SemrushBotSemrushAllowedline 10 · Allow: / under User-agent: *
MJ12botMajesticAllowedline 10 · Allow: / under User-agent: *
DotBotMozAllowedline 10 · Allow: / under User-agent: *
View bsky.app/robots.txt · 13 lines
1# Hello Friends!
2# If you are considering bulk or automated crawling, you may want to look in
3# to our protocol (API), including a firehose of updates. See: https://atproto.com/
4
5# By default, may crawl anything on this domain. HTTP 429 ("backoff") status
6# codes are used for rate-limiting. Up to a handful concurrent requests should
7# be ok.
8User-Agent: *
9Disallow: /intent/compose
10Allow: /
11
12Sitemap: https://bsky.app/sitemap/users.xml.gz
13

What do the bots actually get?

This page reads robots.txt, which states what bsky.app asks of crawlers. A firewall or CDN can still refuse a bot that robots.txt allows. The live check requests the page as each bot and shows the status it gets.

Run a live check on bsky.app Test a path in the robots.txt tester

History

Questions

Does bsky.app block GPTBot?

No. bsky.app’s robots.txt lets GPTBot crawl the site. GPTBot is OpenAI’s crawler for training data; blocking it doesn’t affect ChatGPT search, which uses OAI-SearchBot. Checked 9 November 2026.

Does bsky.app block ClaudeBot?

No. bsky.app’s robots.txt lets ClaudeBot crawl the site. ClaudeBot is Anthropic’s crawler for training data. Checked 9 November 2026.

Does bsky.app block Google-Extended?

No. bsky.app’s robots.txt lets Google-Extended crawl the site. Google-Extended is the token that controls whether Google may use pages for Gemini training and grounding; it doesn’t affect Google Search. Checked 9 November 2026.

Does bsky.app block PerplexityBot?

No. bsky.app’s robots.txt lets PerplexityBot crawl the site. PerplexityBot is the crawler that indexes pages for Perplexity’s answers. Checked 9 November 2026.

Can ChatGPT search find bsky.app?

Yes. bsky.app’s robots.txt lets OAI-SearchBot crawl the site. OAI-SearchBot is the crawler behind ChatGPT search; blocking it keeps the site out of ChatGPT’s search answers. Checked 9 November 2026.