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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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AAAA-NexusAtomadic Tech · aaaa-nexus.atomadictech.workers.dev
Card live
Agent Control Plane - 146+ endpoints for AI agent security, trust, reputation, escrow, SLA enforcement, formal verification, compliance, discovery, and x402 USDC micropayments on Base L2. Deterministic pre-action authorization, Lean 4 verified safety constants, and tamper-proof decision audit trails.
No auth neededA2A 1.0Security and identityNew
Found by crawlCard JSON Compare
Agent ProductsPangeon Corp · agent-products.web.app
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 neededProductivityNew
Found by crawlCard JSON Compare

Crawlers, bots and libraries we detect

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

All24 Agents13 Bots11

Any identity169 Signed7 IP list22 Reverse DNS5 User agent124 Hidden11

Catalog as JSON · as Markdown

11 of 226 clients

Scraping services 8

Rented scraping, usually disguised.

Automation tools 3

Headless browsers and drivers.

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.