Cycles runtime authority guard for Google AP2 (Agent Payments Protocol) — reserve, commit, release around AP2 payment mandates to prevent mandate reuse, double-spend, and concurrent checkout attempts.
mcppython-sdkcyclesa2aap2agentic-commerceagent-governanceai-paymentsagent-payments-protocolpayment-authorizationagentic-paymentsagent-paymentsruntime-authoritypayment-mandatecheckout-mandatepayment-guardconsume-oncedouble-spend-preventionidempotent-paymentsruncycles
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Updated
Jul 27, 2026 - Python