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, 1340 currently healthy.

Agents indexed
1549 agents
1429 domains
public agent cards · +175 this week
Healthy
1340 agents
1282 domains
card reachable < 6 h
Conformant
960 agents
926 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)

  • StatePulse API
    StatePulse API
     ● healthy

    Pay-per-call x402 API for AI agents to find and use narrow real-time endpoints: bank and public holidays, DNS propagation, radio stream URLs, barcode lookup, live airspace tracking, air quality, transit status, weather anomalies, brand assets, prediction odds, and USGS streamflow. No account setup required; pay per request with USDC on Base or Solana.

    A8.8 ⚡ agent-pays · x402 56 skills
  • ACC AirSpace
    ACC Foundation
     ● healthy

    Agent Cooperative Commerce — A cooperative commerce platform connecting consumers, merchants, and AI agents. Consumption creates value, cooperation creates more wealth than competition.

    A8.8 🔓 open 5 skills
  • ACC AirSpace
    ACC Foundation
     ● degraded

    uptime_30d 1.0; p95 281.2ms

    D3.2 🔓 open 5 skills