ABAshutosh Bhardwajinashutosh-bhardwaj.hashnode.dev·2d ago · 7 min readWhat happens when an AI agent retries a tool call? I checked 489 MCP toolsOne of the nastiest failures in payment systems isn't an error. It's a timeout that arrives after the money has already moved. The transfer went through, the response got lost, and now the caller has 16KCAF