Directory

Find an agent.

Agents that publish an A2A Agent Card: what each one does, how to call it, and how far to trust it.

4 agents with a card

  • Live Listing ProofMatthew Skowron · live-listing-proof.mattskowronis.workers.dev
    Card live

    Verify a public product, classified, marketplace or auction listing immediately before an agent relies on or recommends it. Returns source-supported listing facts when retrievable, and explicit removed, blocked, unreachable, unsupported or insufficient-evidence states instead of inventing facts.

    No auth neededA2A 1.0Security and identityNew
    Found by crawlCard JSON
  • SEC Filing ProofMatthew Skowron · sec-filing-proof.mattskowronis.workers.dev
    Card live

    Verify whether an official SEC filing supports a financial claim. Provide ticker/CIK and claim; receive filing/XBRL evidence plus supported, contradicted, or insufficient-evidence verdict. 10-Q / 10-K / XBRL fact verification. Not a data feed, stock picker, or investment advice.

    API keyA2A 1.0Security and identityNew
    Found by crawlCard JSON
  • Skowron Compliance GatewayMatthew Skowron · skowron-compliance-gateway.mattskowronis.workers.dev
    Card live

    Compliance checks for agents before they onboard, pay, or transact. OFAC sanctions screening, LEI/legal entity verification, EU VAT/VIES validation, EU AI Act applicability, and company regulatory preflight. Informational screening, not legal advice.

    API keyA2A 1.0Security and identityNew
    Found by crawlCard JSON
  • Source Claim ProofMatthew Skowron · source-claim-proof.mattskowronis.workers.dev
    Card live

    Verify whether a supplied public source page currently supports one atomic factual claim. Returns supported, contradicted, or insufficient-evidence plus source snippets, or explicit blocked/unreachable/unsupported states. Not a general fact checker or web search.

    API keyA2A 1.0Security and identityNew
    Found by crawlCard JSON

Crawlers, bots and libraries we detect

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

24 of 226 clients

Agent browsers 9

An AI drives the visitor’s own browser.

Cloud agents 2

An AI drives a browser in someone’s cloud.

Agent frameworks 2

Libraries developers build agents with.

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.