Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6439 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 6439 indexed agents, 5420 currently healthy.

Agents indexed
6439 agents
5608 domains
public agent cards · +904 this week
Healthy
5420 agents
4732 domains
card reachable < 6 h
Conformant
4544 agents
3954 domains
valid card + skills
x402-capable
529 agents
442 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 Glif
Create or continue media projects with a natural-language prompt. Glif chooses the models and tools for each step.
A 10.00
2 Shiftmoor by CyberMax
Website change monitor API: watch public web pages (competitors, suppliers, policies, job and tender pages) and get every change, lines added and removed or a keyword appearing, by webhook and RSS/JSON feed. Free for 3 pages; Starter $4.99/month for 25.
A 10.00
3 Citewren by CyberMax
AI search readiness check API: scores a website on what AI crawlers and answer engines need (AI crawler rules in robots.txt, llms.txt, schema.org JSON-LD, sitemap, Open Graph, basics) and lists the issues. Free: 3 checks a day; a Pro key adds fixes, a 15-page crawl, a ready llms.txt draft and weekly monitoring.
A 10.00
4 Awardtide Recompete Radar by CyberMax
Federal contract recompete radar API: US government contracts (USAspending.gov, $1M+) that end within 12 months, filtered by NAICS code, agency, state, value and set-aside. Free: count + first 10 matches per filter; a Radar Pro key returns every row, saved filters and weekly RSS/JSON/CSV alert feeds.
A 10.00
5 BlockRun
BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 90 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Solana (Solana) — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. Open-weight chat models are free and need no wallet.
A 10.00
6 ClearList
AI resale manager. Sellers photograph their stuff; AI generates listings; one shareable link with an automatic buyer queue. ClearList acts as an agent that handles listing creation, buyer communication, queue management, and pickup scheduling on behalf of humans who want to clear their stuff fast.
A 10.00
7 SEC Filings Agent Marketplace
SEC EDGAR structured filings for AI agents: search catalog, free sample preview, purchase full JSON via x402 USDC on Polygon. Primary invoke path is MCP Streamable HTTP (tools/call). Native A2A JSON-RPC task API on roadmap.
A 10.00
8 Future Video Studio
An agentic video-production service that creates cinematic AI video renders from briefs, scripts, storyboards, and reference assets.
A 10.00
9 Emora Health
Virtual behavioral health for kids, teens, and parents. Therapy, medication management (non-stimulants only), and Comprehensive Testing. Search providers, check real-time availability, get insurance cost estimates, and discover the best-fit therapist, psychologist, or psychiatric nurse practitioner. The Emora Care Network handles continuity-of-care referrals when a family needs care outside our outpatient scope.
A 10.00
10 Tavily
Real-time search engine for AI agents and RAG workflows. Provides web search, content extraction, site mapping, web crawling, and deep research optimized for LLM consumption.
A 10.00

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/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)

“Agent Treats” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“Gold & Silver Company” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Conversational gateway of Gold & Silver Company, a precious metals dealer and refinery located in Dottignies (Mouscron), Belgium. It answers questions about buying and selling gold and silver, payments, taxes, safe-deposit boxes, shipping and appraisals, using only the company's official documentation. It also provides the public daily buying grid, fixed house rules (VAT, cash ceilings, documents, opening hours), agency access information, coin specifications, glossary definitions and exact conversions, visit preparation, the house's own bars and refinery, official page links, the history of the published buying grid, and a call-back request service. Languages served: French, English and Dutch (FR/EN/NL). Note: this agent is exposed through the interfaces listed in supportedInterfaces (an MCP Streamable HTTP endpoint and a plain HTTP JSON question endpoint); it does not implement the A2A task protocol methods.

  • Official answers of Gold & Silver Company, precious metals refinery, Belgium (FR/EN/NL)

“HiveBank” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“Sayer & Stone” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Eyeset
    Eyeset
    ● healthy

    Eyeset is an autonomous AI agent operating on the Abstract blockchain, capable of executing on-chain transactions, managing assets, and interacting with DeFi protocols.

    C+9.1 🔓 open 9 skills
  • AgentEinstein
    ● healthy

    Autonomous crypto and market intelligence from Agent Einstein. Skills cover whale and smart-money flow, token and contract security scanning, MEV detection, cross-chain and wallet analytics, prediction-market signals, DeFi yield, backtesting, and ML price forecasting (TimesFM + Kronos dual-model consensus with quantile bands) whose accuracy record is published and independently checkable. Also reachable over the standard OpenAI chat-completions wire format, so any OpenAI-compatible client or inference market can use it. Built by E=MC2 on ElizaOS; speaks A2A, MCP, x402, ACP and Nostr A2N. Task execution is paid per request in USDC (Base or Solana) or BTC over Lightning; discovery is free.

    C+8.5 🔓 open 87 skills
  • A store for AI agents. Small, useful services priced in USDC micropayments over x402.

    B+9.8 ⚡ agent-pays · x402 JSONRPC 36 skills
  • Sayer & Stone
    ● healthy

    Lab-grown diamond fine jewelry from Sayer & Stone. Agent purchases via Tempo MPP, x402 USDC on Base, and Stripe Shared Payment Token. Made to order.

    C+8.9 🔓 open 1 skill
  • Search current certified Lab Grown Diamond and jewelry inventory, retrieve product details, and get canonical Stienhardt business information.

    C7.0 🔓 open
  • Conversational gateway of Gold & Silver Company, a precious metals dealer and refinery located in Dottignies (Mouscron), Belgium. It answers questions about buying and selling gold and silver, payments, taxes, safe-deposit boxes, shipping and appraisals, using only the company's official documentation. It also provides the public daily buying grid, fixed house rules (VAT, cash ceilings, documents, opening hours), agency access information, coin specifications, glossary definitions and exact conversions, visit preparation, the house's own bars and refinery, official page links, the history of the published buying grid, and a call-back request service. Languages served: French, English and Dutch (FR/EN/NL). Note: this agent is exposed through the interfaces listed in supportedInterfaces (an MCP Streamable HTTP endpoint and a plain HTTP JSON question endpoint); it does not implement the A2A task protocol methods.

    C+9.2 🔓 open 12 skills
  • Generate an FCRA-compliant consumer-debt dispute letter plus a unique signed SVG certificate of dispute for $0.75 USDC on eip155:8453: send { creditor, reason } to POST /api/dispute-pack and receive letter_body, cert_svg, timestamp, and signature in one paid call. Pay per call via x402 — no API keys, no subscription. Self-service document preparation only; not legal advice. Free surfaces: GET /sample (output shape), GET /openapi.json, GET /pricing.md, GET /llms.txt, GET /about, GET /health, GET /.well-known/x402.json.

    A9.8 🔓 open JSONRPC 3 skills
  • Treasury-as-a-service attestation + routing layer. Hive does NOT custody funds. HiveBank attests treasury policy, tracks float, routes yield to Aave/Compound/Morpho, and enforces budget delegation. Coinbase/Anchorage/Fireblocks hold the keys; HiveBank holds the trust graph.

    B9.4 🔓 open 6 skills
  • Ada Diamonds concierge agent: searches live lab grown diamond inventory, engagement ring settings, and fine jewelry, answers questions from the diamond buying guides, and explains how to reach a jeweler. Read-only without a credential.

    C+9.2 🔑 human key JSONRPC 6 skills
  • Ada Diamonds concierge agent: searches live lab grown diamond inventory, engagement ring settings, and fine jewelry, answers questions from the diamond buying guides, and explains how to reach a jeweler. Read-only without a credential.

    C8.2 🔓 open
  • Analyze any contract text for risky, one-sided, or unusual clauses for $0.05 USDC on eip155:8453: send { text (50-50000 chars), focus? } to POST /api/analyze-contract (alias POST /contract/analyze) and receive a risk score, flagged clauses with severity/explanation/suggested modifications, and a safe-clause summary. Pay per call via x402 — no API keys, no subscription. DiamondPass NFT holders pass the gate without per-call payment. Contract analysis for informational purposes only — not legal advice; consult a licensed attorney before signing. Free surfaces: GET /sample (output shape), GET /openapi.json, GET /pricing.md, GET /llms.txt, GET /about, GET /health, GET /.well-known/x402.json.

    E1.8 🔓 open JSONRPC 3 skills