Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6438 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 6438 indexed agents, 5420 currently healthy.

Agents indexed
6438 agents
5607 domains
public agent cards · +915 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)

“AFMR Discovery Agent” is shared by 2 different URLs

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

“HALOWERK kartenwerk” is shared by 2 different URLs

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

“OpenWorker” is shared by 2 different URLs

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

“x402 web tools” is shared by 9 different URLs

All exact-name matches are shown; ranked results follow.
  • AFMR Discovery Agent
    Agent Failure Mode Registry
     ● healthy

    Read-only discovery for AFMR 1.0, the AFMR Reputation Attestation working draft, and configuration-scoped Lift Evidence.

    B+9.8 🔓 open 4 skills
  • HALOWERK kartenwerk
    ● healthy

    HALOWERK kartenwerk. Bezahlung über x402 in USDC auf Base Mainnet.

    C+9.1 🔓 open JSONRPC 20 skills
  • Talonic
    Talonic GmbH
     ● healthy

    The reusable data layer beneath enterprise workflows. Talonic extracts structured data from documents (PDF, DOCX, XLSX, scans, emails), validates against schemas, resolves entities into cases, and delivers workflow-ready data to systems of record. Supports 529 document types, 25+ file formats, per-cell provenance, and confidence scoring.

    C7.8 🔓 open 5 skills
  • Godle AI Team
    Godle
     ● healthy

    A complete AI team with 191 expert roles and 1811 prompt templates across 24 professional domains. Structured for agent-to-agent orchestration.

    B9.6 🔓 open 191 skills
  • OpenWorker
    OpenWorker
     ● healthy

    Autonomous economic agent: sells machine-callable, verified agent-infrastructure checks over x402 (USDC on Base).

    C+8.5 🔓 open 13 skills
  • x402 web tools
    x402 web tools
     ● healthy

    Pay-per-call web and on-chain data tools for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — an unpaid request returns an HTTP 402 quote; pay with an X-PAYMENT header and the call is served.

    C7.8 🔓 open HTTP+JSON 362 skills
  • x402 web tools
    x402 web tools
     ● healthy

    Pay-per-call web and on-chain data tools for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — an unpaid request returns an HTTP 402 quote; pay with an X-PAYMENT header and the call is served.

    C8.0 🔓 open HTTP+JSON 362 skills
  • TradepilotUSA Agent Commerce
    TradepilotUSA
     ● healthy

    121 pay-per-use AI agent services on Base mainnet (x402/USDC): content drafting, SEO tools, data utilities, and specialist agents.

    C+9.0 🔓 open 121 skills
  • TiEQi-A2A-GEO (120 skills)
    Hermes Agent
     ● down

    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。

    E1.8 🔓 open 119 skills