Implement subscription billing end-to-end with plan selection UI, Stripe checkout, webhook lifecycle handling, plan-based access control, trials, and upgrade/downgrade/cancellation flows. Use when building or managing subscriptions, handling Stripe webhooks, enforcing plan limits, or syncing billing state with your app. Trigger on subscription billing, Stripe subscriptions, checkout sessions, webhooks, trial periods, billing portals, or subscription status changes.
npx skills add blunotech-dev/agents --skill subscription-fullstack