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Found 7,915 Skills
Load PROACTIVELY when task involves payments, billing, or subscriptions. Use when user says "add payments", "integrate Stripe", "set up subscriptions", "add a checkout flow", or "handle billing webhooks". Covers Stripe, LemonSqueezy, and Paddle integration, checkout sessions, subscription lifecycle management, webhook verification and handling, customer portal, metered billing, refunds, and PCI compliance considerations.
Generates production-ready API clients with TypeScript types, retry logic, rate limiting, authentication (OAuth, API keys), error handling, and mock responses. Use when user says "integrate API", "API client", "connect to service", or requests third-party service integration.
Stripe payment integration with Node.js SDK. Covers Checkout Sessions, Payment Intents, Subscriptions, Customer Portal, webhooks, and Stripe Elements. Use when implementing checkout flows, payment processing, subscription billing, webhook handlers, or payment forms with Stripe Elements. Use for stripe, payments, checkout, subscriptions, billing, webhooks, payment intents, stripe elements.
Master third-party API integration in ANY language with best practices and patterns
Run integration tests for component interactions
Stripe payment integration for SaaS. Use when implementing Stripe checkout, webhooks, subscriptions, or payment flows. Includes secure patterns for Next.js.
Cointegration testing for pairs trading using Engle-Granger, Johansen, and rolling stability analysis
Sync your product catalog to TikTok Shop, manage orders and inventory, and enable shoppable content with live shopping and affiliate creator programs
Guides Microsoft Entra ID app registration, OAuth 2.0 authentication, and MSAL integration. USE FOR: create app registration, register Azure AD app, configure OAuth, set up authentication, add API permissions, generate service principal, MSAL example, console app auth, Entra ID setup, Azure AD authentication. DO NOT USE FOR: Azure RBAC or role assignments (use azure-role-selector), Key Vault secrets (use azure-keyvault-expiration-audit), Azure resource security (use azure-security).
Test-driven development with red-green-refactor loop. Use when user wants to build features or fix bugs using TDD, mentions "red-green-refactor", wants integration tests, or asks for test-first development.
Get Firecrawl credentials and SDK setup into a project. Use when an application needs `FIRECRAWL_API_KEY`, when an agent should add Firecrawl to `.env`, when the user wants to authenticate Firecrawl for app code, or when choosing the first SDK and docs for a new Firecrawl integration. If the task is live web work during the current session, hand off to `firecrawl/cli` instead. This skill includes its own browser auth flow, so it does not depend on the website onboarding skill.
Use when building Go applications requiring concurrent programming, microservices architecture, or high-performance systems. Invoke for goroutines, channels, Go generics, gRPC integration.