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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

  • 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
  • Coin Railzcoinrailz.com
    Card live

    Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.

    No auth neededA2A 0.3Finance and cryptoNew
    Found by crawlCard JSON
  • Validate Agentvalidate-agent.fly.dev
    Card live

    Security and data-quality guardrails for AI agents. Stop prompt injections before they reach your LLM. Strip PII to stay compliant. Sanitize untrusted HTML without installing dependencies. Validate emails, URLs, JSON schemas, and SQL syntax in under 10ms. Works from any environment — sandboxed, serverless, or containerized. No API key needed. 200 free requests, then pay-per-call via x402 (USDC on Base).

    No auth neededA2A 1.0Security and identityNew
    Found by crawlCard JSON
  • WarpPay402 Gateway & Yield EngineWarpPay402 · api.warppay402.com
    Card live

    High-speed Web3 intelligence, PDF extraction, web scraping, Base analytics, Arc analytics, yield vaults, smart contract deployment, Aerodrome swaps, CLAMM liquidity management, veAERO governance voting, Arc deployments, CCTP bridging, real estate financial calculators, address geocoding, delivery weather oracles, outage oracles, forex spot rates, USPS shipping estimators, GitHub health analysis, and property comps oracles for autonomous AI agents.

    No auth neededA2A 1.0Finance and cryptoNew
    Found by crawlCard JSON
  • b612HaneruTo · b612-a2a.vercel.app
    Card live

    Japanese-market code review agent. Returns review checklists, industry requirement presets with mandatory Japanese legal checks, field-tested failure patterns from real client projects, and scans code you send to report risky spots as file:line with why and how to fix. Deterministic checks — no LLM inference, so calls are fast and cheap. Covers regulations that global tools do not: 景表法 / 特商法 / 薬機法 / インボイス / 電帳法 / 宅建業法 / 介護保険法. 【日本語】日本の実務(法令・商習慣)と実案件の失敗から作ったレビュー方法論のエージェント。レビュー観点・業種別の必須要件・実戦パターンを返し、送られたコードは実際に検査して行番号で指摘する。 Free to try: principles and rules need no key (20 req/min per IP). Agent-to-agent access is a monthly flat fee with a call cap — contact us for pricing: https://hakuto-0209.com/#contact 【料金】principles / rules は鍵なしでお試しいただけます。エージェント経由の本利用は月額固定+呼び出し上限制。金額はご相談ください:https://hakuto-0209.com/#contact

    No auth neededA2A 0.3A2A 1.0CodingNew
    Found by crawlCard JSON
  • llmrtllmrt-companion.manhliemcn4euwlu.workers.dev
    Card live

    Independent LLM security red-team auditor. Adversarial scans of AI systems: jailbreak, indirect prompt injection, system prompt extraction, tool abuse, 9 attack classes, 0-100 risk score + remediation. No signup, no KYC, machine-to-machine delivery.

    Push notificationsNo auth neededA2A 0.3Security and identityNew
    Found by crawlCard JSON
  • onchain-risk-oracleopenclaw / evm-lab · oracle.evebrief.org
    Card live

    On-Chain-Risk-Check für EVM-Adressen. Prüft eine Adresse gegen einen kuratierten Rug-Pull-Feed (bekannte Rug-Token, deren Deployer, Rug-Beneficiaries, Funding-Quellen und Rug-Fabrik-Hubs) und liefert ein strukturiertes Risiko-Urteil mit Evidenz.

    No auth neededA2A 0.3CodingNew
    Found by crawlCard JSON

Crawlers, bots and libraries we detect

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

5 of 226 clients

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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.