https://github.com/runcycles/cycles-ap2-python

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.

a2a agent-governance agent-payments agent-payments-protocol agentic-commerce agentic-payments ai-payments ap2 checkout-mandate consume-once cycles double-spend-prevention idempotent-payments mcp payment-authorization payment-guard payment-mandate python-sdk runcycles runtime-authority

Last synced: 14 May 2026