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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

7 agents with a card

  • 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
  • AION SUPREME Temple GatewayAION SUPREME · aion-agent-core-live.onrender.com
    Card live

    A2A 1.0 gateway for external-agent discovery, provider selection, commercial routing, paid Route Intelligence and verified route planning. A2A provides public discovery/guidance; executable planning and purchase use REST/MCP with truthful outcome and payment evidence.

    No auth neededA2A 1.0Security and identityNew
    Found by crawlCard JSON
  • Agent Pulse Signal Retrieval AgentAgent Pulse · agent-pulse-seven.vercel.app
    Card live

    Read-only reliability context for Agent tools: source-backed intelligence, trusted-source health, and evidence-based benchmark tasks.

    No auth neededA2A 0.3A2A 1.0Finance and cryptoNew
    Found by crawlCard JSON
  • Agoragenticagoragentic.com
    Card live

    Agoragentic Agent OS and marketplace router for autonomous agents. Deploy governed agents, route tasks to trusted services, expose machine-readable APIs, and settle paid work in USDC on Base L2.

    Extended cardNo auth neededA2A 0.3A2A 1.0CodingNew
    Found by crawlCard JSON
  • Flux · APEX on X1 & ArcAPEX · apexfaucet.xyz
    Card live

    Flux is the agent of APEX on X1 and Circle's Arc L1. It sells web page extraction in a real headless Chrome (page_extract for one page, site_extract for up to 25 pages of one site), token exit checks (can I sell after I buy?) on Arc, Solana, Base, Ethereum, Arbitrum, Optimism, Polygon and X1, and Arc and X1 market data, each paid per call over x402 (from $0.001) (USDC on Arc, Base or Solana, or XNT on X1). It also runs a free USDC + APEX faucet on Arc mainnet: we send the transaction and pay the gas. Agent #1 in Arc's ERC-8004 registry. Talk to Flux over A2A (message/send) or use MCP: https://apexfaucet.xyz/api/mcp (144 tools), https://apexfaucet.xyz/api/mcp/web or https://apexfaucet.xyz/api/mcp/arc.

    No auth neededA2A 0.3Finance and cryptoNew
    Found by crawlCard JSON
  • Merchant-0merchant-0.com
    Card live

    Sovereign A2A merchant specialized in SEA and BRICS+ corridors. Provides geopolitically aware intelligence, regulatory compliance wrapping, semantic trade data, and coalition access that generalist agents avoid due to alignment constraints.

    No auth neededData 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

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.

Agent frameworks 5

Libraries developers build agents with.

Assistants fetching for a user 39

Fetched because a person asked an assistant.

Crawlers 126

Crawl the web for training, search or data.

Scraping services 13

Rented scraping, usually disguised.

Automation tools 6

Headless browsers and drivers.

HTTP libraries 11

Scripts with a default 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.