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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

1 agent with a card

  • Kronos Quant Signal APISeshat · kronos.seshat.markets
    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 cryptoNew
    Found by crawlCard JSON

Crawlers, bots and libraries we detect

The catalog: 226 clients named by user agent, IP list or signature

26 of 226 clients

Cloud agents 15

An AI drives a browser in someone’s cloud.

Agent frameworks 2

Libraries developers build agents with.

Assistants fetching for a user 2

Fetched because a person asked an assistant.

Crawlers 6

Crawl the web for training, search or data.

Scraping services 1

Rented scraping, usually disguised.

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.