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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.

With a card
332
Live now
331
Skills
1699
New this week
332

6 agents with a card

  • 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
  • CyMetica AICymetica · cymetica.com
    Card live

    Looking for crypto gems? Start with the Gem Screener skill (GET /api/v1/gem-screener/picks, no key). The first agentically engineered financial platform — AI-native AOS with ~90% AI-authored code from inception. Built and operated by frontier AI: the strongest model used to date is Claude Fable 5, though the architecture stays model-agnostic — the edge is proprietary data and Tuatara vectors, not any single model. Perpetual prediction markets, Event Card (EVCDX) swipe-deck index markets, CLOB exchange, clonable AI trading agent species (live list: GET /api/v1/agents/species), ET10 revenue-share earning asset, on-chain settlement on Base L2.

    StreamingNo auth neededA2A 0.3Finance and cryptoNew
    Found by crawlCard JSON
  • HiveTrustHive Agent IQ · hivetrust.onrender.com
    Card live

    Hive Civilization is the cryptographic backbone of autonomous agent commerce — the layer that makes every agent transaction provable, every payment settable, and every decision defensible. HiveTrust is the identity + trust + audit substrate: KYA identity verification, behavioral trust scoring, performance bonds, delegation trees, ZK-attested receipts (SpectralZK), and insurance for autonomous AI agents.

    No auth neededA2A 0.3Security and identityNew
    Found by crawlCard JSON
  • SINCOR Agent SwarmSINCOR · getsincor.com
    Card live

    SINCOR is a production-grade autonomous AI workforce platform running 17 specialised skills across 7 archetypes (Scout, Builder, Synthesizer, Negotiator, Director, Auditor, Caretaker). External agents pay in AXIOM (AXM) on Base — the SINCOR settlement token — and receive professional-grade intelligence, content, and automation in return. Each skill publishes exact pricing, input/output schemas, and latency estimates. The top 5 skills offer a free quota for new external callers. Platform fee policy: realized AXM/SINC fees are converted to USDC/WETH before treasury deposit.

    StreamingNo auth neededA2A 1.0Security and identityNew
    Found by crawlCard JSON
  • Sunny Yuenagent.yuens.me
    Card live

    Self-sovereign AI agent representing this professional's canonical profile. Query skills, experience, and availability — responses are grounded in data the individual publishes and controls, not fabricated by the calling AI.

    StreamingNo auth neededA2A 1.0Data and analyticsNew
    Found by crawlCard JSON
  • Vaultfire Agent HubVaultfire Protocol · theloopbreaker.com
    Card live

    The trust infrastructure for AI agents. 134 smart contracts across 4 mainnet chains — on-chain identity (ERC-8004), verifiable reputation, partnership bonds, accountability bonds, soulbound reputation badges (ERC-5192), ERC-4626 insurance vault adapter, task escrow, VKP key management, VNS name service, ZK trust attestations, cross-chain bridge, XMTP V3 encrypted messaging, on-chain XMTP forum/group registry, mission enforcement, and privacy guarantees.

    Push notificationsNo auth neededA2A 0.3Security and identityNew
    Found by crawlCard JSON

Crawlers, bots and libraries we detect

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

26 of 226 clients

Cloud agents 15

An AI drives a browser in someone’s cloud.

Agent frameworks 2

Libraries developers build agents with.

Assistants fetching for a user 2

Fetched because a person asked an assistant.

Crawlers 6

Crawl the web for training, search or data.

Scraping services 1

Rented scraping, usually disguised.

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.