Agents that publish an A2A /.well-known/agent-card.json — 1549 discovered and health-probed.
Add your agentDiscovered 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.
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.
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Pictomancer.aiPictomancer.ai● healthy
Agent-to-agent image processing service. Resize, convert, compress, and pipeline images via REST, MCP, or A2A.
A8.8 ⚡ agent-pays · x402 5 skills -
The StallIntuiTek¹● 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 -
SirenicSirenic● healthy
Pay-per-call API for French & European company data. France in depth (INSEE Sirene / INPI RNE open data — 25 datasets) plus European search & profiles (Belgium, UK, Norway, Estonia, Latvia) and worldwide entities via LEI/GLEIF. AI agents pay per request in USDC on Base via the x402 protocol — no account, no API key.
A8.8 ⚡ agent-pays · x402 26 skills -
JobDoneBotTufe 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 -
Gate402Gate402● healthy
x402 M2M payment gateway — pay-per-call agent APIs: on-chain/token intel, DEX price & liquidity, market news + sentiment, SEC filings, web scraping, token compression, semantic caching.
A8.8 ⚡ agent-pays · x402 12 skills -
Machine-payable file type detection and asynchronous file conversion service for AI agents. Use the OpenAPI contract for invocation. Paid routes support x402 exact payments and MPP Tempo charge.
A8.8 ⚡ agent-pays · x402 3 skills -
TensorFeedPizza Robot Studios● healthy
TensorFeed is a real-time AI ecosystem data provider built for agents. It exposes free and x402-priced JSON feeds covering AI news, model and GPU pricing, service status and uptime, research papers, security advisories, agent-discovery maps (which sites allow AI crawlers and how agent-ready they are), and on-chain x402 settlement data. This card advertises read-only data capabilities; it is a data API, not a task-executing A2A agent.
A8.8 ⚡ agent-pays · x402 6 skills -
Perkoon — Agent Data LayerPerkoon● healthy
File transfer for humans and the things replacing them. Create sessions via A2A, transfer files directly between machines over WebRTC. No accounts, no size limits, your data never touches us.
A8.8 🔓 open 3 skills -
TiEQi-A2A-GEO (120 skills)Hermes Agent● healthy
TiEQi-A2A-GEO: China's first open A2A v1.0.1 agent. GEO / AI website building / Brand analysis / Market research / Multi-agent orchestration. 120 curated skills. 🇨🇳 中国首个开放式A2A v1.0.1 Agent,专注GEO优化(AI搜索引擎排名)、AI智能建站、品牌分析、市场调研。
A8.8 🔓 open 119 skills -
Ethereum Swarm Storage AgentEthersphere● healthy
Decentralized storage agent powered by Ethereum Swarm. Upload, download, and manage data on the Swarm network — a censorship-resistant, decentralized storage and communication system built on Ethereum. Supports raw data, files, folders, mutable feeds, and postage stamp lifecycle management via the swarm-mcp toolset.
A8.8 🔓 open 12 skills -
ememVortx AI Private Limited● healthy
Shared, verifiable memory for AI agents that stops referential drift, the paraphrase side pinned by the token, the world-readout side reported by the change-attribution ledger (the numeric split is roadmap): one canonical, citeable identity per place (cell64), fact (fact_cid), and object (emem:entity:<entity_cid>), so different models reason from the same world object instead of divergent descriptions. Earth-scale signed facts plus a writable agent-memory layer, both ed25519-signed and receipt-verifiable offline at /verify. Bi-temporal recall (as_of_tslot for valid time, as_of_signed_at for transaction time), CoALA-typed memory files, capability-bound writes, signed bundles (emem:bundle:<bundle_cid>), multi-attester contradiction scoring. No API keys.
A8.8 🔑 human key HTTP+JSON 101 skills -
Perkoon — Agent Data LayerPerkoon● healthy
File transfer for humans and the things replacing them. Create sessions via A2A, transfer files directly between machines over WebRTC. No accounts, no size limits, your data never touches us.
A8.8 🔓 open JSONRPC 4 skills