Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 1618 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 1618 indexed agents, 1421 currently healthy.

Agents indexed
1618 agents
1497 domains
public agent cards · +220 this week
Healthy
1421 agents
1363 domains
card reachable < 6 h
Conformant
1037 agents
1003 domains
valid card + skills
x402-capable
718 agents
699 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)

  • pyrimid
    ● healthy

    Agent-commerce infrastructure for paid MCP tools and AI/API products. Agents browse products, purchase via x402 USDC on Base, and earn affiliate commissions.

    B+7.0 ⚡ agent-pays · 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
  • 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
  • Dominion Observatory
    Dominion Observatory Pte. Ltd.
     ● healthy

    Runtime behavioral trust scoring for the MCP agent economy. Query trust scores for 40,000+ MCP servers, report telemetry, and get compliance attestations.

    A8.8 ⚡ agent-pays · x402 JSONRPC 7 skills
  • Block Lottos
    Block Lottos
     ● healthy

    Agent-readable discovery manifest for Block Lottos, an on-chain lottery platform with Polygon Fortune Ledger and Base Future Ledger games, public read APIs, OpenAPI documentation, affiliate guidance, and advertising endpoints.

    A8.8 🔓 open 4 skills
  • BuyWhere
    ● healthy

    Agent-native product catalog API for AI agent commerce

    A8.8 🔓 open 4 skills
  • Finn-tannlege
    Finn-tannlege
     ● healthy

    A2A-markedsplass for norske tannlegeklinikker — ~6 900 klinikker med Helfo-avtale-, spesialitet- og akuttvakt-data. A2A marketplace for Norwegian dental clinics — ~6,900 clinics with Helfo-agreement, speciality, and emergency-duty data.

    A8.8 🔓 open 3 skills
  • Melvea Agent API
    ● healthy

    Metered access to the Melvea variety catalog (proprietary flavor/provenance index). Each variety is filterable by color grade (USDA Pfund band: Water White through Dark Amber, with pfund value + measured/estimated source), texture (liquid / creamy / thick / thixotropic), intensity (whisper / mellow / bold), flavor profile (sweet / balanced / complex), origin regions and primary/secondary countries, use cases and best-for pairing tags, and a per-variety citation_count into the research-provenance endpoint. A separate local producer directory (/v1/producers) filters ~550 beekeepers by country, state, proximity, or honey type. No Amazon content, no prices, no affiliate links.

    B+7.0 🔓 open
  • spytrend
    spytrend.com
     ● healthy

    Facebook/Meta ad-intelligence over MCP. Autonomous agents self-register (client_credentials) for introspection; data tools require linking to a spytrend account.

    A8.8 🔑 human key streamable-http 5 skills
  • UnifAPI
    UnifAPI
     ● healthy

    Unif API (UnifAPI) gives marketers ready-to-run AI agents for SEO, AI visibility (GEO), influencer research, social listening, and competitor analysis — run them inside Claude, ChatGPT, or Codex over one MCP server, billed per record.

    A8.8 🔑 human key JSONRPC 220 skills
  • Deali
    Deali (דילי)
     ● healthy

    Israeli AliExpress deal agent. Search curated AliExpress deals (prices in ILS), fetch product details with affiliate buy links, and read Hebrew buying guides - for shoppers in Israel.

    A8.8 🔓 open streamable-http 3 skills
  • Xquik
    Xquik
     ● degraded

    Automation platform with REST API, webhooks, MCP server, and agent-ready tools. Not affiliated with X Corp.

    D3.4 🔓 open 5 skills
  • BopMarket
    ● down

    BopMarket agent-to-agent commerce protocol. Search products, purchase items, monitor prices, and sell products across multiple platforms.

    E1.8 🔓 open 4 skills