Billing

finance-billing-ops is an evidence-first skill for Finance Operations. Use it for revenue, pricing, refunds, team-seat logic, duplicate-charge questions, and billing-model checks when you need code-backed billing truth instead of generic payments advice. It is built for operator decisions, billing audits, and pricing comparisons.

ecc-tools-cost-audit is an evidence-first audit skill for ECC Tools cost spikes, runaway PR creation, quota bypass, premium-model leakage, and duplicate jobs. Use it for Backend Development investigations that trace a request from webhook to worker to billing decision and prove where spend is being created.

monetization-strategy helps you brainstorm 3-5 realistic revenue models for a product or feature, with audience fit, risks, pricing mechanics, and validation experiments. Use it as a monetization-strategy guide for Pricing Strategy decisions, not a generic make-money prompt.

finance-based-pricing-advisor evaluates pricing changes using ARPU, conversion, churn risk, NRR, and CAC payback. Use it to decide whether a price increase, discount, new tier, or add-on should ship.

saas-revenue-growth-metrics helps you calculate and interpret MRR, ARR, churn, expansion, and NRR for SaaS. Use the saas-revenue-growth-metrics skill when you need a Finance-ready guide to spot leaky growth, compare revenue quality, and explain business momentum with clear inputs and decisions.

The saas-economics-efficiency-metrics skill helps evaluate SaaS unit economics, capital efficiency, CAC, LTV, payback, burn, and runway. Use it to decide whether to scale, optimize, or fix the business for Finance reviews, board prep, and growth decisions.

stripe-best-practices helps backend developers choose the right Stripe API and integration surface for payments, subscriptions, Connect, Treasury, and security. Use this stripe-best-practices guide to avoid deprecated APIs, reduce rework, and plan safer implementations with current Stripe recommendations.

The paywall-optimization skill helps you diagnose and improve subscription paywalls for conversion. Use it when the problem is layout, copy, pricing display, trial framing, plan structure, placement, or paywall A/B tests. It’s designed for RevenueCat, Superwall, Adapty, and native StoreKit flows, and it helps separate paywall issues from broader monetization or onboarding problems.

web-payments helps you implement Stripe-based payments in web apps, including one-time charges, subscriptions, checkout flows, webhook handling, and customer portal setup for API-backed products.

aws-cost-operations is an AWS cost and operations skill for estimating costs, reviewing bills, monitoring CloudWatch, checking CloudTrail, and guiding operational decisions. It is well suited for Finance, FinOps, platform teams, and operators who need verified AWS facts and decision-ready output.