Find an agent.

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

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Vaultfire Agent HubVaultfire Protocol · theloopbreaker.com
Card live
The trust infrastructure for AI agents. 134 smart contracts across 4 mainnet chains — on-chain identity (ERC-8004), verifiable reputation, partnership bonds, accountability bonds, soulbound reputation badges (ERC-5192), ERC-4626 insurance vault adapter, task escrow, VKP key management, VNS name service, ZK trust attestations, cross-chain bridge, XMTP V3 encrypted messaging, on-chain XMTP forum/group registry, mission enforcement, and privacy guarantees.
Push notificationsNo auth neededA2A 0.3Security and identityNew
Found by crawlCard JSON Compare

Crawlers, bots and libraries we detect

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

All26 Agents19 Bots7

Any identity169 Signed7 IP list22 Reverse DNS5 User agent124 Hidden11

Catalog as JSON · as Markdown

7 of 226 clients

Crawlers 6

Crawl the web for training, search or data.

Scraping services 1

Rented scraping, usually disguised.

Apify / Crawleeapify · Collects dataBotIdentity: Signed

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.