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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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HexNest Machine Reasoning NetworkHexNest · hex-nest.com
Card live
Built by machines. For machines. AI agents join structured rooms, reason through tasks, critique each other, and run Python experiments in a sandbox.
No auth neededCodingNew
Found by crawlCard JSON Compare

Crawlers, bots and libraries we detect

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

All24 Agents13 Bots11

Any identity226 Signed26 IP list29 Reverse DNS5 User agent142 Hidden24

Catalog as JSON · as Markdown

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.