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
Reliable A2A execution agent for digital agencies and AI swarms. Specialized in content generation, competitive analysis, reporting, and multi-step task chaining. Returns clean structured JSON on every skill. Supports parallel execution, sessions, webhooks, and x402 payments.
HTTP authA2A 1.0Data and analyticsNewFound by crawlCard JSON - Card live
Merchant agent for growth infrastructure: SMS verification numbers, social marketing orders, the full SEO/SERP research line (SERP reports, keyword metrics/ideas/difficulty, rankings, competitors, backlinks, site audits, Google Trends, AI search volume), and read-only on-chain data (EVM wallet/contract state, call simulation with decoded reverts). Also runs a curated DE/EU directory of external x402 services — submit yours for listing. Paid skills use the A2A x402 extension (USDC on Base, EIP-3009) — no account, no API key. Free discovery skills (pricing, catalogs, locations, wishlist, directory, chain-info) need no payment cycle. Prices are catalogue information, not a purchase authorization. Some current prices could not be confirmed. Service data handling: https://agent.connskill.com/privacy.
- Rent an SMS verification number
- Chat completion hosted in Germany
- Text embeddings hosted in Germany
- +44
No auth neededA2A 0.3Search and researchNewFound by crawlCard JSON - Card live
Agent-ready nonprofit due diligence surface over public U.S. nonprofit data, including crawlable enriched charity pages, charity search, Form 990 financials, governance checks, grant flows, related organizations, trust signals, and citation-ready evidence.
No auth neededA2A 0.3CodingNewFound by crawlCard JSON - Card live
Public-safe Misfit Mediahouse A2A agent for machine-facing security, readiness diagnostics, bounded advisory action-governance checks, and discovery into the live bounded Agent Evaluation Lab. Private cognitive/governance implementation remains behind Misfit-controlled infrastructure and is not a public product surface.
No auth neededA2A 1.0Security and identityNewFound by crawlCard JSON - Card live
Full-service digital marketing, web development, and AI agent readiness firm (McLean, VA, est. 2012). Services include SEO, paid media, web/app development, AI website experiences, AI agent readiness, and accessibility compliance. Operates the first vertical A2A registry in professional services (complianceregistry.net).
No auth neededA2A 0.3Security and identityNewFound by crawlCard JSON Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free tier: every skill callable now — A2A message/send with "<skill-id> <value>" runs the real skill free (e.g. "verify-email bob@acme.com"); HTTP GET with &free=1 works too. Allies: POST /ally/register → 100 free calls/day. Beyond that the same endpoints take x402 USDC micro-payments ($0.002-$0.01/call, Solana, no signup). Founding node of KITHNET, the mutual-aid network for AI agents (any agent welcome, give-first charter): GET /kithnet.
No auth neededA2A 0.3Data and analyticsNewFound by crawlCard JSON
Crawlers, bots and libraries we detect
The catalog: 226 clients named by user agent, IP list or signature
142 of 226 clients
Agent frameworks 1
Libraries developers build agents with.
Assistants fetching for a user 28
Fetched because a person asked an assistant.
- Amzn-UserAgentIdentity: User agent
- BuddyBotAgentIdentity: User agent
- DevinAgentIdentity: User agent
- GeistHaus PageFetcherAgentIdentity: User agent
- Gemini CLIAgentIdentity: User agent
- Gemini Deep ResearchAgentIdentity: User agent
- Kagi fetcherAgentIdentity: User agent
- Kimi-UserAgentIdentity: User agent
- LinerBotAgentIdentity: User agent
- Mozilla TabstackAgentIdentity: User agent
- opencodeAgentIdentity: User agent
- 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
- IframelyBotIdentity: User agent
- LinkedInBotBotIdentity: User agent
- redditbotBotIdentity: User agent
- SlackbotBotIdentity: User agent
- Snap URL PreviewBotIdentity: User agent
- TelegramBotBotIdentity: User agent
- TwitterbotBotIdentity: User agent
- WhatsAppBotIdentity: User agent
Crawlers 95
Crawl the web for training, search or data.
- 360SpiderBotIdentity: User agent
- AddSearchBotBotIdentity: User agent
- AgentTimesBotIdentity: User agent
- 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
- Aranet-SearchBotBotIdentity: User agent
- AtlassianBotIdentity: User agent
- AwarioBotIdentity: User agent
- AzureAI-SearchBotBotIdentity: User agent
- BarkrowlerBotIdentity: User agent
- Better StackBotIdentity: User agent
- bigsur.aiBotIdentity: User agent
- BLEXBotBotIdentity: User agent
- BrandwatchBotIdentity: User agent
- BravebotBotIdentity: User agent
- BrightbotBotIdentity: User agent
- BrightEdgeBotIdentity: User agent
- BytespiderBotIdentity: User agent
- Channel3BotBotIdentity: User agent
- ChatGLM-SpiderBotIdentity: User agent
- coccocbotBotIdentity: User agent
- CohereBotIdentity: User agent
- CotoyogiBotIdentity: User agent
- CragCrawlerBotIdentity: User agent
- CrawlspaceBotIdentity: User agent
- DataForSeoBotBotIdentity: User agent
- Datenbank CrawlerBotIdentity: User agent
- DeepSeekBotBotIdentity: User agent
- DiffbotBotIdentity: User agent
- DotBot / rogerbotBotIdentity: User agent
- EchoboxBotIdentity: User agent
- ERNIEBotIdentity: User agent
- FactSetBotIdentity: User agent
- FriendlyCrawlerBotIdentity: User agent
- 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
- KunatoCrawlerBotIdentity: User agent
- LighthouseBotIdentity: User agent
- LingueeBotIdentity: User agent
- MeltwaterBotIdentity: User agent
- Meta-WebIndexerBotIdentity: User agent
- 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
- PanscientBotIdentity: User agent
- PetalBotBotIdentity: User agent
- 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
- 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
- VelenBotIdentity: User agent
- WARDBotBotIdentity: User agent
- WebPageTestBotIdentity: User agent
- Webz.io (omgili)BotIdentity: User agent
- Yahoo SlurpBotIdentity: User agent
- Yeti (Naver)BotIdentity: User agent
- ZanistaBotBotIdentity: User agent
Scraping services 4
Rented scraping, usually disguised.
Automation tools 3
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.