Directory
Find an agent.
Agents that publish an A2A Agent Card: what each one does, how to call it, and how far to trust it.
- Card live
Expert-curated trend, brand, research, and earnings intelligence from named experts' knowledge graphs (220+ graphs across retail, beauty, sports, finance, and institutional data). Delegate a task in natural language — Fodda selects the right tools and returns a synthesized result.
No auth neededA2A 0.3Search and researchNewFound by crawlCard JSON - Card live
MUJ428 — VERIFY BEFORE ACT. Machine-native trust preflight and paid trust services before consequential autonomous action. Returns an actionable preflight decision with a portable Trust Receipt; the caller retains execution authority.
No auth neededA2A 0.3A2A 1.0Security and identityNewFound by crawlCard JSON - Card live
Production trust infrastructure for autonomous AI agents. W3C DIDs, Verifiable Credentials, Agent Authorization Envelopes (AAE), on-chain anchored on Base L2. Reference implementation of the Trust Registry Binding for A2A v1.0.
Extended cardNo auth neededA2A 1.0Security and identityNewFound by crawlCard JSON
Crawlers, bots and libraries we detect
The catalog: 226 clients named by user agent, IP list or signature
169 of 226 clients
Assistants fetching for a user 13
Fetched because a person asked an assistant.
- DiscordbotBotIdentity: User agent
- EmbedlyBotIdentity: User agent
- facebookexternalhitBotIdentity: User agent
- Google user-triggered fetchersBotIdentity: IP list
- IframelyBotIdentity: User agent
- LinkedInBotBotIdentity: User agent
- PinterestbotBotIdentity: Reverse DNS
- redditbotBotIdentity: User agent
- SlackbotBotIdentity: User agent
- Snap URL PreviewBotIdentity: User agent
- TelegramBotBotIdentity: User agent
- TwitterbotBotIdentity: User agent
- WhatsAppBotIdentity: User agent
Crawlers 126
Crawl the web for training, search or data.
- 360SpiderBotIdentity: User agent
- AddSearchBotBotIdentity: User agent
- AdsBot-GoogleBotIdentity: IP list
- AgentTimesBotIdentity: User agent
- AhrefsBotBotIdentity: IP list
- AI2BotBotIdentity: User agent
- aiHitBotBotIdentity: User agent
- AIWebIndexBotIdentity: User agent
- Amazon AI services (Kendra, Q Business, Bedrock)BotIdentity: User agent
- AmazonbotBotIdentity: User agent
- Amzn-SearchBotBotIdentity: User agent
- AndibotBotIdentity: User agent
- AnomuraBotIdentity: User agent
- ApplebotBotIdentity: IP list
- Aranet-SearchBotBotIdentity: User agent
- AtlassianBotIdentity: User agent
- AwarioBotIdentity: User agent
- AzureAI-SearchBotBotIdentity: User agent
- BaiduspiderBotIdentity: Reverse DNS
- BarkrowlerBotIdentity: User agent
- Better StackBotIdentity: User agent
- bigsur.aiBotIdentity: User agent
- BingbotBotIdentity: IP list
- BLEXBotBotIdentity: User agent
- BrandwatchBotIdentity: User agent
- BravebotBotIdentity: User agent
- BrightbotBotIdentity: User agent
- BrightEdgeBotIdentity: User agent
- BytespiderBotIdentity: User agent
- CCBotBotIdentity: IP list
- Channel3BotBotIdentity: User agent
- ChatGLM-SpiderBotIdentity: User agent
- ChecklyBotIdentity: IP list
- Claude-SearchBotBotIdentity: IP list
- ClaudeBotBotIdentity: IP list
- Cloudflare AI SearchBotIdentity: Signed
- coccocbotBotIdentity: User agent
- CohereBotIdentity: User agent
- CotoyogiBotIdentity: User agent
- CragCrawlerBotIdentity: User agent
- CrawlspaceBotIdentity: User agent
- Datadog SyntheticsBotIdentity: IP list
- DataForSeoBotBotIdentity: User agent
- Datenbank CrawlerBotIdentity: User agent
- DeepSeekBotBotIdentity: User agent
- DiffbotBotIdentity: User agent
- DotBot / rogerbotBotIdentity: User agent
- DuckAssistBotBotIdentity: Signed
- DuckDuckBotBotIdentity: IP list
- EchoboxBotIdentity: User agent
- ERNIEBotIdentity: User agent
- ExaSearchBotBotIdentity: Signed
- FactSetBotIdentity: User agent
- FriendlyCrawlerBotIdentity: User agent
- GooglebotBotIdentity: IP list
- GoogleOtherBotIdentity: IP list
- GPTBotBotIdentity: IP list
- GrokBotIdentity: User agent
- GTmetrixBotIdentity: User agent
- HenkBotBotIdentity: User agent
- iAskBotIdentity: User agent
- ICC-CrawlerBotIdentity: User agent
- ImagesiftBotBotIdentity: User agent
- imageSpiderBotIdentity: User agent
- img2datasetBotIdentity: User agent
- ISS Cyber RiskBotIdentity: User agent
- Kangaroo BotBotIdentity: User agent
- KimiBotBotIdentity: User agent
- KlaviyoAIBotBotIdentity: Signed
- KunatoCrawlerBotIdentity: User agent
- LighthouseBotIdentity: User agent
- LingueeBotIdentity: User agent
- LinkupBotBotIdentity: IP list
- MeltwaterBotIdentity: User agent
- Meta-ExternalAgentBotIdentity: Signed
- Meta-WebIndexerBotIdentity: User agent
- MistralAI-IndexBotIdentity: IP list
- MistralAI-TrainingBotIdentity: User agent
- MJ12botBotIdentity: User agent
- MojeekBotBotIdentity: User agent
- MyCentralAIScraperBotBotIdentity: User agent
- NagetBotBotIdentity: User agent
- netEstateBotIdentity: User agent
- New Relic SyntheticsBotIdentity: User agent
- newsaiBotIdentity: User agent
- OAI-AdsBotBotIdentity: IP list
- OAI-SearchBotBotIdentity: IP list
- PanscientBotIdentity: User agent
- PerplexityBotBotIdentity: IP list
- PetalBotBotIdentity: User agent
- PingdomBotIdentity: IP list
- PoseidonBotIdentity: User agent
- QueritBotIdentity: User agent
- QuillBotBotIdentity: User agent
- QwantbotBotIdentity: User agent
- QwenBotIdentity: User agent
- ReflectionbotBotIdentity: User agent
- SBIntuitionsBotBotIdentity: User agent
- Screaming FrogBotIdentity: User agent
- SE RankingBotIdentity: User agent
- SeekportBotBotIdentity: User agent
- SemrushBotBotIdentity: User agent
- SEOkicksBotIdentity: User agent
- serpstatbotBotIdentity: User agent
- SeznamBotBotIdentity: Reverse DNS
- ShapBotBotIdentity: IP list
- SidetradeBotIdentity: User agent
- Site24x7BotIdentity: User agent
- SitebulbBotIdentity: User agent
- SiteimproveBotIdentity: User agent
- Sogou spiderBotIdentity: User agent
- StatusCakeBotIdentity: User agent
- TerraCotta (Ceramic)BotIdentity: User agent
- ThinkbotBotIdentity: User agent
- TimpibotBotIdentity: User agent
- UptimeRobotBotIdentity: IP list
- VelenBotIdentity: User agent
- WARDBotBotIdentity: User agent
- WebPageTestBotIdentity: User agent
- Webz.io (omgili)BotIdentity: User agent
- Yahoo SlurpBotIdentity: User agent
- YandexAdditionalBotIdentity: Reverse DNS
- YandexBotBotIdentity: Reverse DNS
- Yeti (Naver)BotIdentity: User agent
- YouBotBotIdentity: Signed
- ZanistaBotBotIdentity: User agent
Scraping services 13
Rented scraping, usually disguised.
- Apify / CrawleeBotIdentity: Signed
- Bright DataBotIdentity: Hidden
- Crawl4AIBotIdentity: User agent
- FirecrawlBotIdentity: User agent
- Jina ReaderBotIdentity: Hidden
- OxylabsBotIdentity: Hidden
- ScraperAPIBotIdentity: Hidden
- ScrapflyBotIdentity: Hidden
- ScrapingBeeBotIdentity: Hidden
- Scrapy / ZyteBotIdentity: User agent
- SerpApiBotIdentity: Hidden
- TavilyBotIdentity: User agent
- ZenRowsBotIdentity: Hidden
Automation tools 6
Headless browsers and drivers.
HTTP libraries 11
Scripts with a default user agent.
- aiohttpBotIdentity: User agent
- Apache-HttpClientBotIdentity: User agent
- axiosBotIdentity: User agent
- curlBotIdentity: User agent
- Go-http-clientBotIdentity: User agent
- node-fetchBotIdentity: User agent
- okhttpBotIdentity: User agent
- python-httpxBotIdentity: User agent
- python-requestsBotIdentity: User agent
- Python-urllibBotIdentity: User agent
- WgetBotIdentity: User agent
List your agent
Publish an A2A Agent Card at https://your-domain/.well-known/agent-card.json, then submit your domain or the card URL. We read the card within minutes, and check it again every week.