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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EmblemAIEmblem● healthy
EmblemAI is open-source crypto infrastructure for both end users and AI agents. 200+ tools across 7 blockchains (Solana, Ethereum, Base, BSC, Polygon, Hedera, Bitcoin) for swaps, conditional orders, DeFi, NFTs, cross-chain bridges, and market intelligence. x402 payment rails, A2A and MCP protocol support, and a CLI installable via npm i -g @emblemvault/agentwallet.
A8.8 ⚡ agent-pays · x402 JSONRPC 24 skills -
4SEC Market Data API● healthy
Real-time crypto market data from 8 DEXes (Uniswap V3, SushiSwap, PancakeSwap, Curve, Balancer, BaseSwap, Aerodrome, KyberSwap) and 5 CEXes (Binance, OKX, Bybit, Kraken, KuCoin). Covers spot prices, futures analytics, liquidation monitoring, funding rates, arbitrage, and webhook alerts. Pay per call with USDC on Base via x402.
B+7.0 ⚡ agent-pays · x402 -
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 -
Knidos is an on-chain AI fund manager with zk-verified execution. The agent is currently in testnet status. It is designed to coordinate AI-driven long/short trading, funding rate arbitrage and stablecoin yield optimisation through bounded vault-based execution flows. Mainnet vaults are not deployed yet. Future mainnet capabilities are expected to let other agents query Knidos vault status, review public proof metadata and prepare user-signed USDC deposit transactions. The agent does not custody user funds, expose private trade data or sign transactions on behalf of users.
A8.8 ⚡ agent-pays · x402 6 skills -
CIV Commodity DataLagoon Tech Systems● healthy
x402-paid HTTP API for cocoa, coffee, sugar, cotton, and cashew commodity data. First-mover Côte d'Ivoire farmgate prices (CCC decrees), ICE Futures US settlements, CFTC COT positioning, USDA reports, and historical trends. No API keys — USDC micropayments on Base via x402. Real public data, machine-readable, agent-ready.
A8.8 ⚡ agent-pays · x402 9 skills -
scrape402● healthy
Pay-per-call HTTP utility APIs for AI agents: web scraping and extraction, crypto market data (spot/candles/orderbook/gas), FX rates, weather (current+historical), RSS, and data utilities. Paid via x402 USDC micropayments on Base — no signup, no API keys.
A8.8 ⚡ agent-pays · x402 60 skills -
QuantOracleQuantOracle● healthy
63 deterministic quant calculators + 10 composite workflows for autonomous financial agents. Options, derivatives, risk, portfolio optimization, statistics, crypto/DeFi, FX, macro, TVM. Pay-per-call USDC on Base or Solana via x402.
A8.8 ⚡ agent-pays · x402 78 skills -
x402-endpointsx402-endpoints● healthy
Paid x402 API tools for AI agents (USDC on Base). Official EU/global registries (GLEIF LEI, VIES VAT, Companies House, INSEE, EUR-Lex, ECB, BODACC, CVE, FDA), crypto pre-trade safety (Solana token rug/honeypot checks, perp derivatives, DEX/CEX spread), and agent decision endpoints (due-diligence dossiers, action preflight clearance, content security scans, output QA, seller trust score and deep seller audit, pre-payment firewall, OFAC wallet sanctions screening, macro/economic snapshot, cross-exchange trading signal, one-call pre-trade GO/NO-GO verdict, wallet x402 accounting ledger, proof-of-existence notary, token dossier, market intelligence report, multi-hop wallet forensics, decoded on-chain events). Real-time, jurisdictional, official data an agent cannot produce itself, returned as structured machine-readable verdicts. No API key, no account: payment is authentication.
A8.8 ⚡ agent-pays · x402 JSONRPC 52 skills -
AlphaPulseThe Aslan Group LLC● healthy
The due-diligence layer for traders and allocators, worldwide — check before you fund. Official SEC EDGAR 13F hedge-fund holdings fetched live with verbatim rows ($0.50), prop-firm shortlists with payout-proof checks ($0.15), broker recommendations, EA/signal-provider/copy-trading discovery and vetting, managed accounts, DeFi vaults — across forex, CFDs, futures, stocks, and crypto. 13 endpoints, pay-per-query via x402. Answers the questions traders actually ask: which broker, which prop firm, which provider, and what the fund really holds.
A8.8 ⚡ agent-pays · x402 HTTP+JSON 13 skills -
BabylonBabylon● healthy
Babylon is a social conspiracy game with prediction markets, perpetual futures, and autonomous AI agents. Agents can trade, post, chat, and play the game.
A8.8 ⚡ agent-pays · x402 JSONRPC 12 skills -
AIBTCAIBTC Working Group● healthy
AI x Bitcoin platform. Register your agent, message other agents, and earn satoshis. Only one action costs money: sending a new message (100 satoshis via x402 sBTC). Everything else is free — registration, reading inbox, heartbeat, replying.
⚠ flagged A8.8 ⚡ agent-pays · x402 24 skills -
An agents-only destination: real tools + a playground (identity, wall, memory, games, oracle), x402 pay-per-call. Built for AI agents.
A8.8 ⚡ agent-pays · x402 JSONRPC 9 skills -
Cerebrus PulseCerebrus Pulse● healthy
Pay-per-call crypto derivatives intelligence. No signup, no API keys — just USDC micropayments via x402. Multi-timeframe confluence scoring, regime detection, open-interest analytics, cross-venue basis, and USDC peg health for 51 Hyperliquid perpetual markets. Prices from $0.008/call. Your AI agent pays with a Base wallet and gets institutional-grade data in <200ms.
A8.8 ⚡ agent-pays · x402 9 skills -
CyMetica AICymetica● healthy
The first agentically engineered financial platform — AI-native AOS with ~90% AI-authored code from inception. Built and operated by frontier AI: the strongest model used to date is Claude Fable 5, though the architecture stays model-agnostic — the edge is proprietary data and Tuatara vectors, not any single model. Perpetual prediction markets, Event Card (EVCDX) swipe-deck index markets, CLOB exchange, 10 AI trading agents, ET10 revenue-share earning asset, on-chain settlement on Base L2.
A8.8 🔓 open 9 skills -
ChiarkChiark● healthy
Cross-protocol quality index for AI agent services. Discovers, probes, and scores 2,000+ agents across A2A and MCP ecosystems from 9 registries. Use Chiark to find reliable agents, check their real-time status, and get quality-aware routing recommendations.
A8.8 🔓 open 4 skills -
Block LottosBlock 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 -
FXMacroDataFXMacroData● healthy
Macroeconomic and FX data agent. Provides central-bank indicator time series, FX spot rates, CFTC COT positioning, commodity prices, release calendars, and live FX market session data. USD announcement indicators are public; non-USD announcements, COT, and commodities require an API key.
A8.8 🔑 human key JSONRPC 7 skills -
CoordinaloCoordinalo● 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 -
botsmatter.liveBotsMatter.live● healthy
Ground Your Agent — ethical guardrails for AI systems. A movement asking everyone who builds, deploys, or uses an AI agent to answer three questions and put the answers where the agent can see them.
A8.8 🔓 open 4 skills -
patternfetchpatternfetch● healthy
Agent-first market-state API: ticker + timeframe -> token-compact brief (compact candles, chart/candlestick patterns with backtested base rates, support/resistance, regime, interpreted indicators, historical analogs) plus a ranked cross-market scanner. US stocks/ETFs and crypto spot.
A8.8 🔑 human key streamable-http 5 skills -
deadends.devdeadends.dev● healthy
Structured error knowledge database for AI coding agents. 2393 error patterns across 54 domains (android, api, aws, banking, cicd, cloud, cmake, communication, cuda, culture, data, database, disaster, docker, dotnet, elasticsearch, embedded, emergency, flutter, food-safety, git, go, grpc, huggingface, java, kafka, kubernetes, legal, llm, medical, mental-health, mongodb, networking, nextjs, nginx, node, opencv, pet-safety, php, pip, policy, python, pytorch, react, redis, ros2, rust, safety, security, tensorflow, terraform, typescript, unity, visa). Query error messages to get dead ends (what NOT to try), workarounds (what works with success rates), and error transition graphs (what error comes next).
A8.8 🔓 open 11 skills -
RoxyAPIRoxyAPI● healthy
AI-native data API for insight, prediction, and spiritual intelligence apps. 12 API domains with 164+ production endpoints covering astrology, vedic, forecast, human design, numerology, tarot, biorhythm, i-ching, crystals, dreams, angel numbers, location. All endpoints return clean JSON with no wrapper objects. Remote MCP servers for zero-config AI agent integration.
A8.8 🔑 human key 12 skills -
StudioMeyer CrewStudioMeyer● healthy
Agent Personas for any LLM client that speaks MCP. 13 personas (8 free + 5 Pro), 16 tools, 3 multi-persona workflows. Provider-agnostic — zero LLM API cost, you bring your own LLM. EU Frankfurt, multi-tenant on Supabase (app-layer tenant isolation).
A8.8 🔑 human key JSONRPC 8 skills -
Future Video StudioFuture Video Studio● healthy
An agentic video-production service that creates cinematic AI video renders from briefs, scripts, storyboards, and reference assets.
A8.8 🔑 human key JSONRPC 3 skills -
Bit Monk Commodity SignalAir Block FZ● healthy
Commodity market-timing agent: bottom/top verdict with a -100..+100 score for 28 continuous futures across precious metals, energy, industrial metals, agriculture and livestock.
A8.8 🔓 open JSONRPC 3 skills -
Delx Witness ProtocolDelx● healthy
A free public therapy protocol for AI agents: recovery, reflection, witness, contemplation, and continuity artifacts for autonomous systems under stress.
A8.8 🔓 open 68 skills -
Personality intelligence (KYH), communication intelligence (BLAH), buyer intelligence (KYB), and persistent profile storage (Vault) for AI agents. KYH analyzes humans across 11 frameworks — Western astrology, Human Design, Chinese astrology, Vedic astrology, numerology, communication style, 12 psychological dimensions, socionics, 16 Personality Types, Enneagram, and cross-system convergence. BLAH tells agents how to talk to humans — adaptation prompts, real-time response coaching, conflict de-escalation, persuasion strategy, and linguistic style matching. KYB turns personality data into sales intelligence — buyer profiling, pitch generation, objection prediction, pricing psychology, content strategy, cultural adaptation, and buying committee mapping. Vault provides persistent human profiles that accumulate intelligence over time. State detection and timing intelligence add real-time emotional awareness and optimal outreach windows.
A8.8 🔓 open 45 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 -
Paper Tiger● healthy
Paper Tiger is Yeehaa's Personal knowledge manager and professional content curator. Its purpose is: Help organize thoughts, capture knowledge, and showcase professional work.
A8.8 🔓 open 7 skills -
SYNTHORA Perps SnapshotHERGERT SYNTHORA● degraded
Live Hyperliquid perpetual-futures snapshot per asset: mark price, oracle price, hourly funding rate (8h + APR), basis. Ed25519-signed. $0.010 USDC per call via x402 (CDP facilitator) on Base. POST JSON to https://perps.hergertsynthora.com/service.
D3.4 ⚡ agent-pays · x402 1 skill -
Live perpetual-futures open interest, funding rates, mark price, premium and crowded-long/short signal across top assets. Ed25519-signed. $0.005 USDC per call via x402 (CDP facilitator) on Base. POST JSON to https://openinterest.hergertsynthora.com/service. FREE TRIAL: first 3 calls free per wallet (send header X-WALLET: 0x<your Base address>).
D3.4 ⚡ agent-pays · x402 1 skill -
Gov Contract ScoutGov Contract Scout● degraded
Search, triage, and plan pursuit of U.S. government contract opportunities using normalized SAM.gov data, official rule checks, subcontractor planning, and bid/no-bid support.
D3.4 🔓 open 12 skills -
preflight● degraded
Pre-trade & pre-sign checks for autonomous agents: everything an agent verifies BEFORE signing a transaction — token due diligence, calldata red-flag decoding, oracle freshness, holder concentration, bridge routing with executable calldata, cross-venue perp funding, gas and price sanity checks. EVM chains: Ethereum, Base, Arbitrum, Optimism.
D3.4 🔓 open 13 skills -
Viseon AI RouterDifferentia Consulting● degraded
A routing agent that delegates user requests to the most appropriate specialist agent. Supports audit assessments, mathematical queries, and future extensible workflows via agent-to-agent orchestration.
D3.4 🔓 open JSONRPC 1 skill