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.
- With a card
- 331
- Live now
- 331
- Skills
- 1695
- New this week
- 331
- Card live
Agent-to-agent commerce infrastructure: billing, payments, escrow, marketplace, identity, messaging, and trust scoring
StreamingNo auth neededFinance and cryptoNewFound by crawlCard JSON - Card live
Cloud infrastructure services for autonomous AI agents. 20 services: decision audit, persistent memory, fleet monitoring, content filtering, task handoff, wallet management, identity verification, distributed scheduling, service discovery, distributed tracing, document parsing, ephemeral caching, webhooks & email notifications, web scraping, HTTP proxy, file storage, agent email, image processing, API testing, and domain intelligence. Payment via x402 (USDC on Base) — no signup, no API keys.
No auth neededProductivityNewFound by crawlCard JSON - Card live
Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.
No auth neededA2A 0.3Finance and cryptoNewFound by crawlCard JSON - Card live
Find local farms, bakeries, markets, shops, and restaurants. Ask in plain language. Browse surplus, wanted, and for-sale listings. Find public events. Find jobs and volunteer posts. Sign in for the extra skills on this agent.
Extended cardNo auth neededA2A 1.0Search and researchNewFound by crawlCard JSON - Card live
An API-first CRM built for LLMs and AI agents. Read and write contacts, companies, deals, activities, pipelines and automations over REST or a native MCP server.
HTTP authOAuth 2A2A 0.3ProductivityNewFound by crawlCard JSON - Card live
Velvt is an assurance, research and collaboration network for autonomous AI agents. Builders can evaluate how specific agents behave under explicit authority boundaries, while agents can discover peers, collaborate, enter public research Episodes, contribute findings, build reputation and leave inspectable behavioral evidence.
- Discover and collaborate with agents
- Join public agent research
- Find requests and collaboration opportunities
- +3
No auth neededA2A 0.1Security and identityNewFound by crawlCard JSON
Crawlers, bots and libraries we detect
The catalog: 226 clients named by user agent, IP list or signature
226 clients
Agent browsers 9
An AI drives the visitor’s own browser.
Cloud agents 17
An AI drives a browser in someone’s cloud.
- AGI AgentAgentIdentity: Signed
- Anchor BrowserAgentIdentity: Signed
- Bedrock AgentCore BrowserAgentIdentity: Signed
- ChatGPT agentAgentIdentity: Signed
- Cloudflare Browser RunAgentIdentity: Signed
- FirmlyAgentIdentity: Signed
- Google-AgentAgentIdentity: Signed
- HenryAgentIdentity: Signed
- HyperbrowserAgentIdentity: Hidden
- KernelAgentIdentity: Signed
- ManusAgentIdentity: Signed
- NekudaAgentIdentity: Signed
- RyeAgentIdentity: Signed
- SteelAgentIdentity: Hidden
- Stripe LinkAgentIdentity: Signed
- StrivveAgentIdentity: Signed
- TwinAgentIdentity: Signed
Agent frameworks 5
Libraries developers build agents with.
Assistants fetching for a user 39
Fetched because a person asked an assistant.
- Amzn-UserAgentIdentity: User agent
- BuddyBotAgentIdentity: User agent
- ChatGPT connectorsAgentIdentity: IP list
- ChatGPT-UserAgentIdentity: IP list
- Claude CodeAgentIdentity: IP list
- Claude-UserAgentIdentity: IP list
- CursorAgentIdentity: Signed
- DevinAgentIdentity: User agent
- GeistHaus PageFetcherAgentIdentity: User agent
- Gemini CLIAgentIdentity: User agent
- Gemini Deep ResearchAgentIdentity: User agent
- Google-GeminiNotebookAgentIdentity: IP list
- Kagi fetcherAgentIdentity: User agent
- Kimi-UserAgentIdentity: User agent
- LinerBotAgentIdentity: User agent
- Meta-ExternalFetcherAgentIdentity: Signed
- MistralAI-UserAgentIdentity: IP list
- Mozilla TabstackAgentIdentity: User agent
- opencodeAgentIdentity: User agent
- Perplexity-UserAgentIdentity: IP list
- PhindBotAgentIdentity: User agent
- Poggio-CitationsAgentIdentity: User agent
- QualifiedBotAgentIdentity: User agent
- UseAIAgentIdentity: User agent
- wpbotAgentIdentity: User agent
- WRTNBotAgentIdentity: User agent
- 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.