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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.

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Kevros Governance APITaskHawk Systems · governance.taskhawktech.com
Card live
Runtime enforcement for autonomous agents. Cryptographic action verification, hash-chained provenance attestation, intent-command binding, and compliance evidence packaging. Every decision is recorded in a tamper-evident ledger. Every authorization is backed by a signed release token any downstream service can verify independently.
API keyHTTP authA2A 0.2Security and identityNew
Found by crawlCard JSON Compare
crvUSD Yield OptimizerChado Studio · llama.box
Card live
Multi-chain crvUSD yield optimizer agent. Discovers yield opportunities across scrvUSD, LlamaLend, Convex and StakeDAO on Ethereum, Arbitrum, Optimism and Fraxtal. Provides real-time APY data, risk scoring (0-100), and portfolio rebalance recommendations. Accepts natural language queries.
StreamingNo auth neededA2A 0.2Finance and cryptoNew
Found by crawlCard JSON Compare

Crawlers, bots and libraries we detect

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

All5 Agents0 Bots5

Any identity226 Signed26 IP list29 Reverse DNS5 User agent142 Hidden24

Catalog as JSON · as Markdown

5 of 226 clients

Assistants fetching for a user 1

Fetched because a person asked an assistant.

Pinterestbotpinterest · Link previewsBotIdentity: Reverse DNS

Crawlers 4

Crawl the web for training, search or data.

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.