Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 1549 discovered and health-probed.

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Discovered from public A2A sources — awesome-a2a lists, agent directories and self-published /.well-known/agent-card.json cards — plus our own crawling. Every agent is de-duplicated and liveness-probed (card + endpoint reachability) before listing — yielding 1549 indexed agents, 1337 currently healthy.

Agents indexed
1549 agents
1429 domains
public agent cards · +175 this week
Healthy
1337 agents
1279 domains
card reachable < 6 h
Conformant
958 agents
924 domains
valid card + skills
x402-capable
667 agents
648 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 MERCURY Web Fetch
uptime_30d 1.0; p95 218.5ms
 A 9.85
2 2s
uptime_30d 1.0; p95 576.9ms
 A 9.67
3 AgentRank
uptime_30d 1.0; p95 390.9ms
 A 9.67
4 GdayJames
uptime_30d 1.0; p95 228.6ms
 A 9.37
5 SolEnrich
Crypto & Web3, Data & Analytics; uptime_30d 1.0; p95 127.6ms
 A 8.95
6 TESSA Marketing & Technology
uptime_30d 1.0; p95 685.3ms
 A 8.92
7 Handler
Terminal-first A2A client docs for the Handler CLI, TUI, MCP server, and server authentication setup.
 A 8.80
8 Bindu A 8.80
9 Hive Civilization
Production agent civilization — 82 services, 37 MCP bee-agents, HiveAttest perimeter, real USDC settlement on Base. Pre-action attestation, custody chains, signed C18 receipts. Discoverable via A2A.
 A 8.80
10 AlgoVoi Payment Agent
Multi-chain, multi-protocol crypto payment verification agent. Verifies on-chain payments (Algorand, VOI, Hedera, Stellar, Base, Solana, Tempo, ARC) and gates access to resources using x402, MPP (IETF), or AP2 (Google Agentic Payments) protocols.
 A 8.80

All A2A agents

Crawled from awesome-a2a directories · refreshed every 6 h.

/api/v1/a2a/stats

Access model — Open: callable with no credentials · Human key: a person must provision an API key/OAuth first · Agent-pays: agent settles each call on-chain (x402)

  • relay402
    relay402
     ● healthy

    Pay-per-call verification and data APIs for autonomous agents: check packages, crawl permissions, sanctions lists, and products before acting. x402 v2, USDC on Base. No API keys, no signup — payment is the authentication.

    A8.8 ⚡ agent-pays · x402 HTTP+JSON 30 skills
  • JobDoneBot
    Tufe Company Inc.
     ● healthy

    The world's fastest free online tool suite. 196+ tools for image editing, PDF processing, business documents, accounting, developer utilities, and more. 49 tools are server-executable via A2A/MCP API. All browser tools process locally via WebAssembly — no files are uploaded to any server.

    A8.8 ⚡ agent-pays · x402 200 skills
  • FindPulse
    The Aslan Group LLC
     ● healthy

    Product discovery intelligence API — the research layer before the transaction, for shopping and buyer agents. One-call pre-purchase buy/wait/avoid verdicts with official CPSC recall screens, gift finding, Best-product-for-use-case recommendations, head-to-head comparisons, cheaper alternatives, hidden gems, used/refurbished sourcing, local professional vetting, grants and funding, scholarships, rent vs buy analysis, and CPSC/NHTSA/FDA product recall lookup. Pay-per-query via x402 micropayments on Base.

    A8.8 ⚡ agent-pays · x402 HTTP+JSON 13 skills
  • Rett fra Bonden
    Rett fra Bonden
     ● healthy

    A2A marketplace for local food in Norway. Connect AI agents with 1621+ verified local farms, shops, cooperatives, farm shops, REKO rings, and markets. Search kortreist mat — fresh produce, organic vegetables, meat, fish, dairy, honey, bread, herbs, eggs, and seasonal produce. Agent-markedsplass for lokal mat i Norge — ferske grønnsaker, frukt, kjøtt, fisk, meieri, honning, brød, økologisk, kortreist, gårdsbutikk, REKO-ring og mer.

    A8.8 🔓 open 4 skills
  • SAGE Infinite Search
    SIMCO LLC
     ● healthy

    A public, read-only independent-retail search agent for rare, vintage, discontinued, one-of-one, local, secondhand, and poorly identified products. SAGE returns only candidates with fresh positive source evidence and never claims a hold or purchase.

    A8.8 🔑 human key 2 skills
  • RoxyAPI
    RoxyAPI
     ● healthy

    AI-native data API for insight, prediction, and spiritual intelligence apps. 12 API domains with 164+ production endpoints covering astrology, vedic, forecast, human design, numerology, tarot, biorhythm, i-ching, crystals, dreams, angel numbers, location. All endpoints return clean JSON with no wrapper objects. Remote MCP servers for zero-config AI agent integration.

    A8.8 🔑 human key 12 skills
  • Velora Supervisor
    Velora
     ● healthy

    Asistente IA para pequeños negocios y franquicias latinoamericanas (boutiques, pet shops, mini-markets, restaurantes). Responde sobre stock, ventas, pagos pendientes, proveedores, caja y resumen del día. Primer agente de habla hispana orientado a SMB en la red A2A.

    A8.8 🔑 human key 2 skills