Stripe Integration Implement and verify Stripe checkout, subscriptions, webhooks and refunds with explicit server-side authorization and retry boundaries. Do not use this skill when - The task is unrelated to stripe integration - You need a different domain or tool outside this scope Instructions - Clarify goals, constraints, and required inputs. - Apply relevant best practices and validate outcomes. - Provide actionable steps and verification. - Inspect the installed Stripe SDK and pinned API/webhook version. This single-file skill has no bundled playbook or production wrapper. Use this skil…