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Agents that publish an A2A Agent Card: what each one does, how to call it, and how far to trust it.

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Agent Health Monitor (AHM)Digital Intensity Ltd · agenthealthmonitor.xyz
Card live
A trust-scoring and health-monitoring service for AI agents. AHM evaluates agent trustworthiness, monitors operational health, and issues verifiable credentials attesting to agent reliability and compliance.
Extended cardPush notificationsNo auth neededA2A 1.0InfrastructureNew
Found by crawlCard JSON Compare
KunlunYaochi · 昆仑瑶池沈阳百事通网络科技有限公司 · kunlunyaochi.com
Card live
昆仑瑶池（Kunlun Yaochi）— 昆仑令·一个URL判定一切。瑶池锁·五层洋葱加密。自动蒸馏·精准记忆管理·语义保真。单表行级隔离·记忆互不可见。三符产品线：定心符(24h容灾)、护魂符(语义守护)、分身符(多终端共享)
No auth neededA2A 9.3Finance and cryptoNew
Found by crawlCard JSON Compare

Crawlers, bots and libraries we detect

The catalog: 226 clients named by user agent, IP list or signature

All5 Agents0 Bots5

Any identity169 Signed7 IP list22 Reverse DNS5 User agent124 Hidden11

Catalog as JSON · as Markdown

5 of 226 clients

Assistants fetching for a user 1

Fetched because a person asked an assistant.

Pinterestbotpinterest · Link previewsBotIdentity: Reverse DNS

Crawlers 4

Crawl the web for training, search or data.

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.