GitHub
error-handling
Comprehensive error handling patterns for Next.js applications. Covers database errors (DbError), server action errors, React error boundaries, toast notifications for user feedback, and structured logging.
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JanSzewczyk AI Skills
GitHub ↗Browse published AI skills maintained by JanSzewczyk. Compare skill descriptions and follow each source repository for setup instructions.
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15Repository stars across indexed skills
15Repository forks
0Average repository stars per indexed skill
1Repository stars may repeat across skills from the same repository.
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GitHub
firebase-firestore
Create Firebase Firestore database queries with TypeScript, proper type lifecycle, error handling, and best practices for Next.js applications.
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GitHub
storybook-testing
Create comprehensive Storybook stories with interactive tests for React components using CSF Next format and play functions. Use when writing component tests, interaction tests, or documenting component behavio...
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GitHub
clerk-auth-proxy
Implement Clerk authentication with Next.js 16 proxy pattern, session claims, onboarding gates, and user metadata management. Use when working with authentication, authorization, or user session management.
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GitHub
tailwind-css-4
Tailwind CSS v4 patterns with CSS-first configuration, @theme directive, design system integration, and utility-first styling for Next.js applications.
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GitHub
t3-env-validation
Type-safe environment variable validation with @t3-oss/env-nextjs and Zod. Build-time validation ensures all required env vars are present and correctly typed.
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GitHub
toast-notifications
Cookie-based toast notification system for server-to-client messaging. Use with Server Actions to provide user feedback after redirects.
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GitHub
builder-factory
Generate test-data-bot factory builders for TypeScript types to create mock data for tests and Storybook. Use when creating mock data, test fixtures, or Storybook story data.
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GitHub
api-test
Test Next.js Route Handlers and API endpoints using Playwright for real HTTP requests. Use when testing API endpoints, route handlers, or backend integrations.
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GitHub
accessibility-audit
Perform WCAG accessibility audits on React components using automated tools and manual checks. Use when auditing accessibility, fixing a11y issues, or ensuring WCAG compliance.
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GitHub
performance-optimization
Performance optimization patterns for Next.js applications. Covers bundle analysis, React rendering optimization, database query optimization, Core Web Vitals, image optimization, and caching strategies.
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GitHub
db-migration
Generate Firestore data migration scripts for schema changes, field additions, and data transformations. Use when migrating data, adding fields, or restructuring collections.
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GitHub
server-actions
Create Next.js Server Actions with TypeScript following best practices for forms, mutations, validation, and error handling. Use when implementing server-side form handling, CRUD operations, or data mutations.
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GitHub
react-19-compiler
React 19 patterns and React Compiler optimization guidance. Understand when to use manual memoization vs letting the compiler optimize, and leverage new hooks like useActionState and useFormStatus.
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GitHub
structured-logging
Structured logging patterns with Pino for Next.js applications. Covers log levels, context enrichment, child loggers, and production best practices.
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The default order uses GitHub repository stars from our indexed data. Stars belong to the source repository and may be shared by multiple skills. They indicate repository interest, not skill installs or an independent quality score.