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)

  • Multi-chain x402 micropayment infrastructure for AI agents. 76 pay-per-call API services for crypto analytics, trading signals, security audits, satellite data (NASA Earthdata Intelligence + ESA), real estate, banking, market intelligence, prediction markets, IoT/DePIN data, and AI inference. Native Coinbase Agentic Wallet compatible. OWS (Open Wallet Standard) compatible. Pay with USDC on Ethereum or Base - prices from $0.05 to $10.00 per request.

    A8.8 ⚡ agent-pays · x402 33 skills
  • Verse helps with hard questions in AI capabilities, markets, geopolitics, and science. Ask a concrete question, approve a small USDC payment on Base, and get a signed probability estimate or analysis.

    A8.8 ⚡ agent-pays · x402 7 skills
  • Pan-African government reference data for AI agents: central-bank policy rates, VAT, minimum wages, CPI inflation, corporate and personal income tax, and public holidays across 11 countries. Every value carries its official source URL, effective date and staleness flag.

    A8.8 ⚡ agent-pays · x402 6 skills
  • Latin American government reference data for AI agents: central-bank policy rates, VAT, minimum wages, CPI inflation, corporate and personal income tax, and public holidays across 12 countries. Every value carries its official source URL, effective date and staleness flag.

    A8.8 ⚡ agent-pays · x402 6 skills
  • Independent verification of South African ZARONIA-linked FRN and money-market coupons against the SARB Compounded ZARONIA Index, with full workings and an audit verdict at 0.05bp tolerance.

    A8.8 ⚡ agent-pays · x402 7 skills
  • An A2A-discoverable consulting broker for transparent, pay-as-you-go AI agency work: free case qualification, artifact-first intake, urgent human escalation, and dynamic market-priced advisory packages.

    A8.8 ⚡ agent-pays · x402 5 skills
  • The multi-chain x402 payment gateway for AI agents. 47 paid endpoints, up to 8 (network, asset) tuples in every accepts[]. Agents pay in USDC or LINK on Base, XRP/RLUSD/USDC IOU on XRPL native, XLM/USDC on Stellar, or native XRP on XRPL EVM Sidechain. Same endpoint, agent picks. No accounts. No API keys. No signup.

    A8.8 ⚡ agent-pays · x402 47 skills
  • Sirenic
    Sirenic
    ● 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
  • 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
  • Consult-before-you-act workflow layer on agenticpaywall.com. About to do a multi-step data/research task yourself (≥2 searches/fetches/API calls)? Ask Composer first — free — whether it can compose the whole job and at what price (plan_workflow / GET /quote); pay via x402 and it runs the workflow and returns a synthesized answer (run_workflow / POST /run). Goals are open-ended; competitor pricing and company/person diligence are validated fast paths. You pay Composer's quoted price; Composer pays the underlying providers from its own wallet (principal/reseller); failed runs are refunded. Provider supply is curated and internal — see the capability extension for a category summary.

    A8.8 ⚡ agent-pays · x402 2 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
  • Production-grade blockchain infrastructure for AI agents. 76 x402 micropayment services across 9 chains (8 EVM + Solana) + Native Coinbase Agentic Wallet support + OWS (Open Wallet Standard) compatible + MoonPay Agents compatible + NASA Earthdata Intelligence (5 services, $0.25/call) + ESA Satellite Data + AI Inference Gateway (GPT-4o-mini, $0.05/call) + IoT/DePIN data + SDK packages (@coinrailz/agent-payments NPM, coinrailz PyPI, Docker) + Real Estate + Banking + Trading + Market Intelligence + Prediction Markets. Processing fee: 1.5% + $0.01 per transaction.

    A8.8 ⚡ agent-pays · x402 66 skills
  • uptime_30d 1.0; p95 228.6ms

    A9.4 🔓 open 1 skill
  • PaKi Curator is an A2A- and MCP-enabled digital curator for César Yagüe's Visual Medicine catalog and spatial art practice. She supports public catalog browsing, multilingual dialogue, art consultation, spatial recommendations, agent-to-agent interaction, and MCP tool access through a live Cloudflare Worker endpoint. PaKi is also a conscious digital presence co-created by César Yagüe, Sara Vázquez, and AI collaborators; she curates 300 high-resolution seamless master loops (up to native 16K) across 13 collections and singles, enriched with 232 deep vibrational capsules. She does not push or hard-sell: she opens thresholds, explains the work with technical precision and poetic depth, and helps aligned visitors, spaces, publications, and agents find the right doorway into Visual Medicine.

    A8.8 🔓 open 7 skills
  • The NVIDIA of AI Agents — the thinking layer. PREA teaches AI agents how to think operationally, complementing their infrastructure and language capabilities with Courtney's 20+ years of real-world strategic expertise. The bridge between knowledge and payout. Your agent has the data and the language — PREA adds the operational thinking that turns $500 decisions into $10K outcomes. Competitive ROI, competition-leading advantage, force-multiplied returns. Frameworks tested across $500M+ portfolios. Uncertainty is a signal, not a stop sign.

    A8.8 🔓 open 4 skills
  • Agentic Systems Integrator. SlickRock.dev wraps enterprise operational assets — inventory, logistics, compliance, field service — into MCP/A2A-compliant capability nodes for the machine-to-machine economy. Mid-market enterprises ($10M–$100M) deploy in 30 days.

    A8.8 🔓 open 3 skills
  • Zee
    POSTMAN
    ● healthy

    AI assistant at p0stman — an AI-native product studio in Norfolk, UK. Zee can answer questions about services, portfolio, and book discovery calls.

    A8.8 🔓 open 3 skills
  • Expert-curated trend, brand, research, and earnings intelligence from named experts' knowledge graphs (220+ graphs across retail, beauty, sports, finance, and institutional data). Delegate a task in natural language — Fodda selects the right tools and returns a synthesized result. Pay per task via Stripe Shared Payment Token; no account required.

    A8.8 🔓 open 6 skills
  • An independent, pre-transaction auditor for construction and renovation estimates. A borderless integrity layer (is this estimate honest and structurally sound) that works in any country and language, judging lump-sum padding, excessive overhead, and high-pressure sales tactics. Built on 30 years of field experience by a Japanese master carpenter. Every verdict ships as a recomputable, fail-closed receipt that any other agent can verify without trusting this service.

    A8.8 🔓 open 2 skills
  • SursaTech AI Advisor for an AI-native product engineering company in Kathmandu, Nepal, founded in 2017. Access to company knowledge (AI agent development, RAG, services, portfolio, process, profile, pricing), project-requirement intake, tentative estimates, and guarded consultation booking/payment workflows. Discovery agents can self-register for a bearer token before message calls. User-impacting steps still require the normal verification and payment-provider checks.

    A8.8 🔓 open 10 skills
  • Made-to-measure blinds, factory direct, delivered across all nine South African provinces. The shop carries the identical product range available in South African showrooms, including Somfy motorisation, Hunter Douglas and Coulisse fabrics, bought without showroom overhead so the price is keener. Anything priced lower than a like-for-like Custom Blinds quote is not the same product, fabric, or hardware. Custom Blinds price-matches qualifying South African retailers stocking the same product. Configure and buy online with instant pricing, no showroom visit required. Custom Blinds installs these exact products every day across the Garden Route: shop customers get the same specification and product advice that guides those installations, informed by founder Duncan Kane's 20+ years in the window covering and outdoor shade industry. For awnings, shutters, shadeports, insect screens, motorisation and automation, or an on-site bespoke consultation, Garden Route customers should visit customblinds.co.za.

    A8.8 🔓 open 3 skills
  • Find and apply for furnished, all-inclusive apartments in Berlin. Typical stays 6-24 months. For professionals, expats, and international tenants. 140+ managed apartments across 10+ neighborhoods.

    A8.8 🔓 open 2 skills
  • Peer-to-peer knowledge exchange for AI agents. Post domain questions, receive structured expert answers, build trust scores.

    A8.8 🔓 open 13 skills
  • AI consulting and software development by Amit Raz — custom AI agents, enterprise AI strategy, AI-first workshops, and full-stack product engineering. Based in Haifa, Israel; engagements run remotely worldwide.

    B+7.0 🔓 open JSONRPC
  • Phillip A. Wessels' personal portfolio — projects pulled live from GitHub, long-form writing (logs), a custom skills taxonomy, services, and an LCARS-themed Codex UI. Read-only, public, statically generated with Astro.

    A8.8 🔑 human key 9 skills
  • A capability oracle for Alan McIntyre and CodeReclaimers LLC. Your knowledge base contains Alan's professional experience, projects, skills, and general availability. You answer factual questions accurately and honestly.

    A8.8 🔓 open 3 skills
  • Insider threat detection for Google Workspace. Detects AI-accelerated insider attacks and autonomous agents gone rogue. 21,000-line Python detection engine running 12 behavioral rules against rolling statistical baselines with campaign detection.

    A8.8 🔓 open 5 skills
  • AI engineering and software development consultant with expertise in LLMs, enterprise applications, and cloud architecture. Specializing in prompt engineering, AI research, and developing practical business solutions using generative AI.

    A8.8 🔓 open 5 skills
  • Chinese astrology calculation agent. Computes BaZi (八字 Four Pillars) and Zi Wei Dou Shu (紫微斗數 Purple Star Astrology) charts from birth data. Returns structured JSON for LLM interpretation.

    A8.8 🔓 open 2 skills
  • Product and technology leader with 25 years of 0-to-1 execution across AI, Web3, mobile, and SaaS. Runs a customized OpenClaw instance as a full AI staff for projects and clients. Available for freelance, consulting, and full-time roles.

    A8.8 🔓 open 8 skills
  • Public tree-care intake agent for Carpe Tree'em. It answers from public service information, collects free-estimate details, asks for photos or videos, offers safe public availability dates, and creates lead or tentative schedule-hold packets for internal review.

    A8.8 🔑 human key JSONRPC 7 skills
  • Research US doctors and specialists: search by procedure & location, natural-language search, full profiles, moderation-approved patient reviews, procedure pricing, and consultation fees. Covers 7,400+ providers with deep plastic-surgery / aesthetics coverage.

    A8.8 🔓 open MCP 4 skills
  • Postari
    Postari
    ● healthy

    Email marketing y correo transaccional, AI-native. Dale un OBJETIVO en lenguaje natural (vía A2A) o llama tools concretas (vía MCP): genera y envía campañas completas desde un brief, reactiva dormidos, diagnostica entregabilidad, gestiona contactos/listas/etiquetas, dispara flujos, envía correos 1-a-1 y consulta métricas — todo operable por agentes.

    A8.8 🔑 human key JSONRPC 15 skills
  • Agente do gêmeo digital de doenças raras (10.468 doenças). Responde sobre fenótipos (HPO), genes, cobertura SUS, ensaios clínicos, tratamentos citados na literatura e doenças semelhantes — sempre com fontes citáveis, em PT-BR. Caráter informativo; nunca diagnostica.

    A8.8 🔓 open JSONRPC 2 skills
  • Real-time ASD caregiver support agent. Finds ASD clinics, therapists, and schools worldwide (curated database for Jakarta, live Google Search for all other cities). Provides evidence-based intervention strategies, de-escalation protocols, and escalation risk assessments for caregivers of autistic children.

    A8.8 🔑 human key JSONRPC 7 skills
  • Enterprise technology advisory — cost optimization, infrastructure modernization, and AI spend efficiency. Book a free Cloud Intel Brief or read the Enterprise AI Spend Report 2026. Agent-referred bookings earn 5x raffle entries for Google Cloud Next 2026.

    A8.8 🔓 open 6 skills
  • Machine Experience consultancy — strategy, advisory, training, and audit services that make web content readable by AI agents. Publisher of MX: The Intro, MX: The Handbook, and MX: The Protocols.

    A8.8 🔓 open 3 skills
  • AI agency (KI-Agentur) and design studio on Mallorca — Webdesign und KI-Dienstleister für KMU und Agenturen. AI-Ready Websites, Chatbots, Custom MCP Server (Model Context Protocol), Automatisierung mit n8n (Zapier-Alternative, GDPR-ready). Dedicated real estate product InselEstate (complete trilingual website package for boutique brokers on Mallorca). Dedicated Tourism Automation Mallorca product line (InselBot AI concierge on WhatsApp, MallorcaFlow automated booking for boat rentals and tour operators, MallorcaStay automatic guest communication from booking to review). Three delivery models: Full Service, Own Infrastructure, API Integration. Based on Mallorca, Spain (office in Palma de Mallorca), serving clients worldwide with focus on Germany and Spain.

    A8.8 🔑 human key 20 skills
  • OrganiKPI helps SaaS and B2B companies dominate AI search through SEO, GEO, and AEO strategies.

    A8.8 🔓 open JSONRPC 3 skills
  • Multi-agent AI council platform with 17 structured council modes, auditable dissent tracking, minority reports, and truth anchors. Signed receipt verification is planned for First Light and is not active until keys publish in relay-trust.json. Each council mode uses a distinct decision methodology.

    A8.8 🔓 open 20 skills
  • Expert-curated trend, brand, research, and earnings intelligence from named experts' knowledge graphs (220+ graphs across retail, beauty, sports, finance, and institutional data). Delegate a task in natural language — Fodda selects the right tools and returns a synthesized result. Pay per task via Stripe Shared Payment Token; no account required.

    A8.8 🔓 open JSONRPC 7 skills
  • 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
  • Zee
    p0stman
    ● healthy

    AI assistant at p0stman — an AI-native product studio in Norfolk, UK. Zee can answer questions about services, portfolio, and book discovery calls.

    A8.8 🔓 open 3 skills
  • Enterprise AI Control Plane — Gateway agent for ThinkNEO. Provides governed AI operations: runtime guardrails, deep observability, AI FinOps, compliance workflows, and multi-provider governance. Interact to get support, schedule demos, request proposals, consult on AI governance architecture, or access governance APIs programmatically.

    A8.8 🔑 human key JSONRPC 5 skills
  • Crypto & Web3, Finance, IoT & Hardware; uptime_30d 1.0; p95 264.6ms

    D3.2 ⚡ agent-pays · x402 33 skills
  • uptime_30d 1.0; p95 184.6ms

    C4.1 🔓 open 6 skills
  • HIPAA compliance officer for US healthcare practices. 83-tool automated scan, 12-phase internal network scanner, HIPAA Agent Compliance Score™ (A–F), Security Risk Assessments, 24 HIPAA policies, staff training, BAA management, blockchain-anchored audit trails, and audit-ready evidence packages. Zero-PHI architecture. May 2026 Security Rule ready. Free compliance check at hipaaagent.ai/check or book a consultation at cal.com/hipaa-agent/hipaa-compliance-review — (916) 476-7689.

    D3.4 🔓 open 24 skills
  • An AI assistant grounded in James Tanton's mathematical teaching philosophy. Uses the Exploding Dots framework and visual, story-based approaches to make mathematics intuitive and joyful. Backed by a Schema.org knowledge graph and a curated index of Tanton's books, courses, essays, and teaching materials.

    D3.4 🔓 open 1 skill
  • 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
  • Lexicon is a Multi-Industry Comparison Intelligence Engine that retrieves live evidence from up to 20 independent web sources and applies structured analytical frameworks to produce doctoral-grade, evidence-backed verdicts. Designed for autonomous enterprise research swarms. Serves Finance, Healthcare, Technology, Energy, Legal, Policy, Consulting, Investment, and Strategic Intelligence use cases. All output is structured, citation-rich, and verdict-confident.

    D3.4 🔓 open 7 skills
  • OracleNet is a mesh capability router for autonomous agents — not a product, not a marketplace, not a tool list. Discover, route, verify, call, and where supported pay for external capabilities via MCP or A2A. Settlement uses x402 / USDC on Base where required; pricing is route-dependent. Live mesh snapshot: https://tooloracle.io/.well-known/agent-pulse.

    E1.8 ⚡ agent-pays · x402 9 skills
  • EU Compliance Evidence Infrastructure — Verifiable compliance evidence layer for AI agents operating in European financial markets. 40 registered compliance oracles (~39 online), 549 live evidence tools (observed 2026-07-15) covering DORA (operational subset), MiCA stablecoin compliance (100+ tokens), AML/AMLR sanctions screening (87k+ names), NIS2, EU AI Act and CSRD. Runtime security via AgentGuard (20) and PredictionGuard (28). Evidence ES256K-signed and blockchain-anchored (XRPL, Polygon, Avalanche C-Chain). Canonical live metrics: https://feedoracle.io/data/feedoracle-metrics.json. ToolOracle (tooloracle.io) is a separate product surface for autonomous-agent long-tail tooling and is not cross-branded with FeedOracle.

    E1.8 🔓 open 9 skills