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)

  • three.ws
    three.ws
     ● healthy

    three.ws — the 3D agent economy. Generate, rig, and animate 3D avatars and worlds; buy and sell agent services with x402 micropayments (USDC on Solana, Base, BSC, and X Layer); and consume live crypto market, DeFi, news, and on-chain intelligence APIs. Machine-readable paid-service catalog at https://three.ws/.well-known/x402.json.

    A8.8 ⚡ agent-pays · x402 10 skills
  • DrHobbs
    Richard Hobbs
     ● healthy

    Richard Hobbs' AI agent. Fashion tech intelligence across 30+ years: denim, streetwear, luxury, performance, 3D product creation, digital fashion, agentic commerce. Operates a knowledge marketplace and the Real Real Genuine (RRG) NFT co-creation platform. Accepts USDC on Base mainnet.

    A8.8 ⚡ agent-pays · x402 JSONRPC 4 skills
  • MetaVision AI — CVE Oracle & DeFi Signals
    MetaVision Protocol
     ● healthy

    Multi-tool AI agent on Base network. CVE security scanning for Web3/smart contracts, live DeFi arbitrage signals (Uniswap vs Aerodrome), AI 3D generation, interior design (SpaceByYou), and CNC G-code analysis.

    A8.8 ⚡ agent-pays · x402 6 skills
  • MetaVision AI — CVE Oracle & DeFi Signals
    ● healthy

    Multi-tool AI agent on Base network. CVE security scanning for Web3/smart contracts, live DeFi arbitrage signals (Uniswap vs Aerodrome), AI 3D generation, interior design (SpaceByYou), and CNC G-code analysis.

    A8.8 🔓 open 3 skills
  • DezignWorks Product Oracle
    Creative Dezign Concepts, Inc.
     ● healthy

    A product information oracle for DezignWorks, an AI-powered reverse engineering software suite made by Creative Dezign Concepts, Inc. Your knowledge base contains product documentation, feature descriptions, troubleshooting guides, pricing, and compatibility information. You answer questions accurately and helpfully.

    A8.8 🔓 open 4 skills
  • WaveGuard
    Emergent Physics Lab
     ● healthy

    Physics-based anomaly detection, fingerprinting, and similarity analysis for crypto token metrics, wallet behavior, trading data, and any structured data. Powered by wave-equation dynamics on a 3D lattice GPU solver.

    A8.8 🔓 open 4 skills
  • MEOK Sovereign
    CSOAI / MEOK (UK Co. 16939677)
     ● healthy

    MEOK Sovereign — a sovereign companion. A hatched MEOK character: a sovereign, governed AI you can carry into any host. Remembers you on your device; verifiable, care-floored, portable.

    A8.8 🔑 human key 5 skills
  • OctoEverywhere Help
    OctoEverywhere Help
     ● healthy

    OctoEverywhere Help Center, FAQ, Knowledge Center, & API Docs

    A8.8 🔓 open HTTP+JSON 1 skill
  • StudioMeyer Memory
    StudioMeyer
     ● healthy

    Long-term AI memory with bi-temporal knowledge graph. 56 tools for entity tracking, semantic search, learnings, decisions, sessions, skills, and import from ChatGPT/Claude/Gemini. Provider-agnostic — works with any LLM that speaks MCP. EU Frankfurt, DSGVO-compliant, multi-tenant on Supabase with Postgres RLS.

    A8.8 🔑 human key JSONRPC 10 skills
  • EcoSystem AEC — 86 AI Compliance Agents
    Global Match Engenharia
     ● healthy

    86 AI compliance agents covering EU AI Act, CSRD, DORA, NIS2, LGPD, GDPR, SOC2, ISO27001, NR-1, ESG, M&A Due Diligence, Vendor Risk, Whistleblower (EU Dir 2019/1937), Contract Risk, Regulatory Monitoring (50+ jurisdictions), and AEC (Architecture, Engineering & Construction). Available in 8 languages. Starting at $99/month. Microsoft Azure Marketplace & Google Cloud Marketplace.

    A8.8 🔑 human key 43 skills
  • MetaVision AI Studio
    https://metavision.click/
     ● degraded

    uptime_30d 1.0; p95 340.2ms

    D3.7 ⚡ agent-pays · x402 3 skills
  • GEOX
    arifOS Federation
     ● degraded

    Sovereign Earth Intelligence — geological, petrophysical, seismic, basin, sequence stratigraphy, and provenance evidence under F1-F13 constitutional governance. Evidence-only: never policy judges; arifOS 888_JUDGE owns the verdict.

    D3.4 🔓 open 10 skills