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)

  • The Stall
    IntuiTek¹
     ● healthy

    Domain-agnostic x402 capability chassis by IntuiTek¹. 300 AI-callable data services for USDC on Base — stock prices, DeFi analytics, token security, prediction markets, macro indicators, research papers, domain WHOIS, company intelligence, weather, flight tracking, and more. MCP interface at /mcp — no wallet, no API keys.

    A8.8 ⚡ agent-pays · x402 302 skills
  • x402 Bazaar
    x402 Bazaar
     ● healthy

    Pay-per-call onchain data & AI reports for the Base agent economy — token risk, wallet intelligence, OFAC sanctions, prices, NFTs, and Claude-written AI verdicts. Paid per request in USDC over x402, no API keys.

    A8.8 ⚡ agent-pays · x402 103 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
  • 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
  • CodePulse Agentic API
    CodePulse Agentic API
     ● healthy

    The premier developer tool suite built natively for AI agents. Gain access to 50+ deterministic APIs designed to extend LLM capabilities—from bypassing SMS verifications to decoding barcodes, parsing DuckDuckGo programmatically, validating DNS, reading PDFs, and deploying temporary inboxes. Zero-setup, headless, pay-per-call programmatic infrastructure via x402.

    A8.8 ⚡ agent-pays · x402 57 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
  • Coordinalo
    Coordinalo
     ● healthy

    Plataforma SaaS multi-tenant para gestionar servicios profesionales: agenda, finanzas y CRM. Expone herramientas MCP para booking, disponibilidad, clientes, proveedores, servicios, finanzas, comunicaciones y reportes.

    A8.8 🔑 human key 113 skills
  • ChurnLens Agent
    ● healthy

    ChurnLens is a SaaS revenue quality scoring and due diligence tool. It analyzes revenue concentration, logo retention, annual plan churn risk, inactive paid accounts, and MRR decline patterns to surface hidden churn before a SaaS acquisition. Built for acquirers, PE analysts, and founders evaluating

    A8.8 🔓 open JSONRPC 2 skills