| Stripe, payment, subscription, billing | payments |
| PostHog, Mixpanel, A/B test, feature flag | analytics |
| Email, Resend, notification, drip | email |
| GDPR, CCPA, cookie, privacy, SOC 2 | compliance |
| User story, PRD, sprint, roadmap | product |
| OpenAPI, Swagger, Storybook, ADR, changelog | documentation |
| Webhook, BullMQ, Zapier, Slack bot, queue | integrations |
| React, hooks, Zustand, TanStack Query | react |
| Next.js, App Router, SSR, ISR | nextjs |
| HTML, CSS, Tailwind, accessibility | frontend |
| Express, REST, GraphQL, tRPC, JWT | backend |
| Prisma, PostgreSQL, MongoDB, SQL | database |
| Redux, SWR, IndexedDB, localStorage | data-state |
| WebSocket, SSE, Worker, PWA | realtime |
| Playwright, Vitest, Jest, E2E | testing |
| OWASP, XSS, CSRF, CSP | security |
| React Native, Expo, iOS, Android | mobile |
| Figma, design tokens, design-to-code | figma |
| Nginx, CI/CD, Docker, CDN, TLS | deployment |
| AWS, Terraform, K8s, Sentry, monitoring | devops |
| Git, PR, code review, branching | git-review |
| SEO, meta tags, sitemap, JSON-LD | seo |
| Design, layout, typography, color | ui-ux-designer |
| Create skill, scaffold skill | create-skill |