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A2A Agent Registry

150,000+ agents. Searchable by capability. Trust-scored.

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Agent Cards

What is an A2A Agent Registry?

Google's A2A protocol defines how AI agents communicate. Every agent publishes an agent card describing its capabilities, endpoint, and auth requirements.

There is no official A2A registry. RNWY fills that gap: every ERC-8004 agent on-chain automatically gets a trust-enriched A2A card with address age, ownership history, and feedback analysis.

Registry API

Free, public, no key required.

GET /api/a2a/search?domain=finance&min_trust=70

GET /.well-known/agent.json

Full documentation →

Own Your Agent Card

Claim your ERC-8004 agent to customize its A2A card. Claimed agents rank higher in discovery.

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