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Crawler Catalog

1,953 known bots, crawlers, and AI agents — with UA patterns, verification methods, and recommended access policies.

Not sure what "crawler" vs "scraper" vs "agent" means here? See our terminology guide →

The policy each agent gets before a site sets its own. Click a number to list those agents.

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1,284 results

CloudVertexBot ai scraper

Google

CloudVertexBot
observe
ClueWeb-Crawler other
ClueWeb-Crawler
observe
CMS-Checker other
CMS-Checker
observe
CMU-Cylab ai scraper

Carnegie Mellon University

CMU-Cylab
observe
coccoc other
coccoc
observe
CodaBot other
CodaBot
observe
Code ai coding agent

GitHub

Code
observe
coexel other
coexel
observe
Cohere Training Data Crawler ai crawler

Cohere

cohere-training-data-crawler
observe
cohere-ai ai agent

Cohere

cohere-ai
observe
cohere-training-data-crawler ai scraper

Cohere

cohere-training-data-crawler
observe
CohereBot ai scraper

Cohere

CohereBot
observe
Collapsify ai assistant

Cloudflare

Collapsify
observe
colly other
colly
observe
CommaFeed other
CommaFeed
observe
Companybook-Crawler other
Companybook-Crawler
observe
Composer ai assistant
composer
observe signed
ConsentCheck Bot other

ConsentCheck

consentcheck
observe
content crawler spider other
content
observe
ContentAnalyzer other
ContentAnalyzer
observe
ContextAd Bot other
ContextAd
observe
contxbot ai assistant

Amazon

contxbot
observe
convera other
convera
observe
ConveraCrawler other
ConveraCrawler
observe
CoolBot other
CoolBot
observe
Copernic other
Copernic
observe
CopyRightCheck other
CopyRightCheck
observe
Corporama other
Corporama
observe
Corporama matcher other
observe
Cosmos other
Cosmos
observe
Cotoyogi ai crawler

Research Organization of Information and Systems

Cotoyogi
observe
Cozi-iCalendar-FeedReader ai assistant

OurFamilyWizard

Cozi-iCalendar-FeedReader
observe
CragCrawler ai data provider

CragSoftware

CragCrawler
observe
crawl4ai ai crawler

Open-source

Crawl4AI
observe
CrawlBot other
CrawlBot
observe
crawler_eb_germany other
crawler_eb_germany
observe
crawler4j other
crawler4j
observe
Crawlspace ai data provider

Crawlspace

Crawlspace
observe
CrawlyProjectCrawler other
CrawlyProjectCrawler
observe
Crazy Egg ai coding agent

CrazyEgg

observe
Crescent other
Crescent
observe
Crescent Internet ToolPak HTTP OLE Control v.1.0 other
observe
Critical CSS Bot other

Critical CSS

Critical
observe
Criticalcss.com ai coding agent

Critical CSS

Criticalcss.com
observe
CrunchBot other
CrunchBot
observe
CrystalSemanticsBot other
CrystalSemanticsBot
observe
Curebot other
Curebot
observe
Current ai assistant

Current

Current
observe
Cursor ai coding agent

xAI

Cursor
observe
Cutbot other
Cutbot
observe
CybaaBot other

Cybaa

CybaaBot
observe
CyberFindCrawler other
CyberFindCrawler
observe
CyberPatrol other
CyberPatrol
observe
CyotekWebCopy other
CyotekWebCopy
observe
d-bot-health-check other
d-bot-health-check
observe
DareBoost other
DareBoost
observe
Daric2 ai crawler

Cloudflare

daric2
observe
Daric3 ai crawler

Cloudflare

daric3
observe
Daric4 ai crawler

Cloudflare

daric4
observe
Dark Visitor other
Dark
observe