This is the third run of the same cross-cloud currency benchmark, and the first

with the arrow pointing the other way. A Google ADK master on Cloud Run

(Gemini 2.5 Flash, us-central1) owns the benchmark policy. It calls an

Amazon Bedrock AgentCore worker (Strands Agents on Nova Micro, us-east-1)

over A2A v1.0, and cross-checks the answer against an MCP exchange-rate