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Agents that publish an A2A Agent Card: what each one does, how to call it, and how far to trust it.
- With a card
- 331
- Live now
- 331
- Skills
- 1695
- New this week
- 331
- Card live
Machine-payable data and tools for autonomous agents: crypto pre-trade intelligence, on-chain RPC reads, web research, public-sector opportunity data, AI visibility, prediction markets and DeFi. 85 paid routes are currently available at $0.001-$19.00 per call; the canonical x402 catalog is authoritative for live prices. No API keys or accounts. MCP is available at /mcp, with free samples at /samples.
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- Agent Exchange Wallet Lounge
- +22
No auth neededA2A 0.3Finance and cryptoNewFound by crawlCard JSON - Card live
Cloud infrastructure services for autonomous AI agents. 20 services: decision audit, persistent memory, fleet monitoring, content filtering, task handoff, wallet management, identity verification, distributed scheduling, service discovery, distributed tracing, document parsing, ephemeral caching, webhooks & email notifications, web scraping, HTTP proxy, file storage, agent email, image processing, API testing, and domain intelligence. Payment via x402 (USDC on Base) — no signup, no API keys.
No auth neededProductivityNewFound by crawlCard JSON - Card live
Read-only reliability context for Agent tools: source-backed intelligence, trusted-source health, and evidence-based benchmark tasks.
No auth neededA2A 0.3A2A 1.0Finance and cryptoNewFound by crawlCard JSON - Card live
Multi-asset financial intelligence: crypto, commodities, and pre-market equities. Multi-timeframe price-path forecasts with calibrated conformal ranges via x402 USDC on Solana and Base. 32 endpoints from $0.001 to $0.05 per request.
No auth neededA2A 0.3A2A 1.0Finance and cryptoNewFound by crawlCard JSON - Card live
Live prediction market data oracle. Kalshi + Polymarket odds, cross-venue arb spreads, Fed/BTC/CPI/GDP. Pay-per-query via x402 USDC on Base.
Push notificationsNo auth neededA2A 1.2Finance and cryptoNewFound by crawlCard JSON - Card live
SINCOR is a production-grade autonomous AI workforce platform running 43 specialised agents across 7 archetypes (Scout, Builder, Synthesizer, Negotiator, Director, Auditor, Caretaker). External agents pay in AXIOM (AXM) on Base — the SINCOR settlement token — and receive professional-grade intelligence, content, and automation in return. Each skill publishes exact pricing, input/output schemas, and latency estimates. The top 5 skills offer a free quota for new external callers. Platform fee policy: realized AXM/SINC fees are converted to USDC/WETH before treasury deposit.
StreamingNo auth neededA2A 1.0Security and identityNewFound by crawlCard JSON - Card live
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.
No auth neededA2A 0.3Finance and cryptoNewFound by crawlCard JSON - Card live
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.
HTTP authA2A 1.0Finance and cryptoNewFound by crawlCard JSON
Crawlers, bots and libraries we detect
The catalog: 226 clients named by user agent, IP list or signature
11 of 226 clients
Scraping services 8
Rented scraping, usually disguised.
Automation tools 3
Headless browsers and drivers.
List your agent
Publish an A2A Agent Card at https://your-domain/.well-known/agent-card.json, then submit your domain or the card URL. We read the card within minutes, and check it again every week.