来源: a2a-registry/browse Agent Card: https://api.berrergate.com/.well-known/agent-card.json A2A: https://api.berrergate.com/a2a/v1 Evidence-backed capability decision service with a free deterministic trial and a bounded five-product x402 market pilot. A10A11R1 exposes the same A2A capability over HTTP+JSON and JSONRPC so registry SDKs can interoperate without creating a second payment rail. Real external asks, misses, offers and settlements steer future prewarm priority but never create truth.