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product-factory/testing
v0.1.0

Apply this skill when writing, reviewing, or planning tests for a Next.js + TypeScript + Drizzle application using Vitest, React Testing Library, MSW, and Playwright. Triggers on requests like "write tests for", "add test coverage", "test this component", "test this hook", "test this API route", "add E2E tests", "is this testable", or any time you are building features that need verification. Use proactively — all new features should include tests.

Contains:

testing

Apply this skill when writing, reviewing, or planning tests for a Next.js + TypeScript + Drizzle application using Vitest, React Testing Library, MSW, and Playwright. Triggers on requests like "write tests for", "add test coverage", "test this component", "test this hook", "test this API route", "add E2E tests", "is this testable", or any time you are building features that need verification. Use proactively — all new features should include tests.

Skills

Apply this skill when writing, reviewing, or refactoring any code in a React + TypeScript + Tailwind + shadcn + Drizzle project. Triggers on requests like "review this code", "refactor this component", "is this good practice", "write a hook for", "clean this up", "add types to", "write a form", or any time you are producing code that should meet production standards. Use proactively — all generated code should conform to these standards without being asked.

Contains:

code-quality

Apply this skill when writing, reviewing, or refactoring any code in a React + TypeScript + Tailwind + shadcn + Drizzle project. Triggers on requests like "review this code", "refactor this component", "is this good practice", "write a hook for", "clean this up", "add types to", "write a form", or any time you are producing code that should meet production standards. Use proactively — all generated code should conform to these standards without being asked.

Skills

Apply this skill when building, optimising, or reviewing components, data fetching, or database queries in a Next.js App Router + TypeScript + Tailwind + shadcn + Drizzle application where performance matters. Triggers on requests like "optimise this", "this is slow", "reduce re-renders", "improve load time", "this list is laggy", "bundle is too large", "slow query", or any time you are building features that involve large lists, frequent updates, heavy computations, or significant data volumes. Use proactively for anything rendering more than ~50 items or running on every keystroke.

Contains:

performance

Apply this skill when building, optimising, or reviewing components, data fetching, or database queries in a Next.js App Router + TypeScript + Tailwind + shadcn + Drizzle application where performance matters. Triggers on requests like "optimise this", "this is slow", "reduce re-renders", "improve load time", "this list is laggy", "bundle is too large", "slow query", or any time you are building features that involve large lists, frequent updates, heavy computations, or significant data volumes. Use proactively for anything rendering more than ~50 items or running on every keystroke.

Skills

web-accessibility-audit

warpdotdev/oz-skills

Audit web applications for WCAG accessibility compliance. Use when asked to run accessibility checks, identify common violations, and provide remediation guidance.

Skills

celery-expert

martinholovsky/claude-skills-generator

Expert Celery distributed task queue engineer specializing in async task processing, workflow orchestration, broker configuration (Redis/RabbitMQ), Celery Beat scheduling, and production monitoring. Deep expertise in task patterns (chains, groups, chords), retries, rate limiting, Flower monitoring, and security best practices. Use when designing distributed task systems, implementing background job processing, building workflow orchestration, or optimizing task queue performance.

Skills

vercel-kv

jezweb/claude-skills

Integrate Redis-compatible Vercel KV for caching, session management, and rate limiting in Next.js. Powered by Upstash with strong consistency and TTL support. Use when implementing cache strategies, rate limiters, or troubleshooting environment variables, serialization errors, rate limit issues, scanIterator hangs, or Next.js cache stale reads.

Skills

vercel-blob

jezweb/claude-skills

Integrate Vercel Blob for file uploads and CDN-delivered assets in Next.js. Supports client-side uploads with presigned URLs and multipart transfers for large files. Use when implementing file uploads (images, PDFs, videos) or troubleshooting missing tokens, size limits, client upload failures, token expiration errors, or browser compatibility issues. Prevents 16 documented errors.

Skills

tiptap

jezweb/claude-skills

Build rich text editors with Tiptap - headless editor framework with React and Tailwind v4. Covers SSR-safe setup, image uploads, prose styling, and collaborative editing. Use when creating blog editors, comment systems, or Notion-like apps, or troubleshooting SSR hydration errors, typography issues, or image upload problems.

Skills

sub-agent-patterns

jezweb/claude-skills

Comprehensive guide to sub-agents in Claude Code: built-in agents (Explore, Plan, general-purpose), custom agent creation, configuration, and delegation patterns. Use when: creating custom sub-agents, delegating bulk operations, parallel research, understanding built-in agents, or configuring agent tools/models.

Skills

snowflake-platform

jezweb/claude-skills

Build on Snowflake's AI Data Cloud with snow CLI, Cortex AI (COMPLETE, SUMMARIZE, AI_FILTER), Native Apps, and Snowpark. Covers JWT auth, account identifiers, Marketplace publishing. Prevents 11 documented errors. Use when: Snowflake apps, Cortex AI SQL, Native App publishing. Troubleshoot: JWT auth failures, account locator confusion, memory leaks, AI throttling.

Skills

react-native-expo

jezweb/claude-skills

Build React Native 0.76+ apps with Expo SDK 52-54. Covers mandatory New Architecture (0.82+/SDK 55+), React 19 changes, SDK 54 breaking changes (expo-av, expo-file-system, Reanimated v4), and Swift iOS template. Prevents 16 documented errors. Use when building Expo apps, migrating to New Architecture, upgrading to SDK 54+, or fixing Fabric, TurboModule, propTypes, expo-updates crashes, or Swift AppDelegate errors.

Skills

openai-api

jezweb/claude-skills

Build with OpenAI stateless APIs - Chat Completions (GPT-5.2, o3), Realtime voice, Batch API (50% savings), Embeddings, DALL-E 3, Whisper, and TTS. Prevents 16 documented errors. Use when: implementing GPT-5 chat, streaming, function calling, embeddings for RAG, or troubleshooting rate limits (429), API errors, TypeScript issues, model name errors.

Skills

jquery-4

jezweb/claude-skills

Migrate jQuery 3.x to 4.0.0 safely in WordPress and legacy web projects. Covers all breaking changes: removed APIs ($.isArray, $.trim, $.parseJSON, $.type), focus event order changes, slim build differences, ES modules migration, and Trusted Types support. Use when: upgrading jQuery to 4.0, fixing "$.isArray is not a function" errors, WordPress jQuery migration, updating legacy JavaScript, or troubleshooting focus/blur event order issues.

Skills

google-spaces-updates

jezweb/claude-skills

Post team updates to Google Chat Spaces via webhook. Deployment notifications, bug fixes, feature announcements, questions. Reads config from .claude/settings.json, includes git context. Use when: "post to team", "notify team", after deployments, completing features, fixing bugs, asking team questions.

Skills

google-chat-api

jezweb/claude-skills

Build Google Chat bots and webhooks with Cards v2, interactive forms, and Cloudflare Workers. Covers Spaces/Members/Reactions APIs, bearer token verification, and dialog patterns. Use when: creating Chat bots, workflow automation, interactive forms. Troubleshoot: bearer token 401, rate limit 429, card schema validation, webhook failures.

Skills

flask

jezweb/claude-skills

Build Python web apps with Flask using application factory pattern, Blueprints, and Flask-SQLAlchemy. Prevents 9 documented errors including stream_with_context teardown issues, async/gevent conflicts, and CSRF cache problems. Use when: creating Flask projects, organizing blueprints, or troubleshooting circular imports, context errors, registration, streaming, or authentication.

Skills

firebase-auth

jezweb/claude-skills

Build with Firebase Authentication - email/password, OAuth providers, phone auth, and custom tokens. Use when: setting up auth flows, implementing sign-in/sign-up, managing user sessions, protecting routes, or troubleshooting auth/invalid-credential, auth/popup-closed, auth/user-not-found, or token refresh errors. Prevents 12 documented errors.

Skills

favicon-gen

jezweb/claude-skills

Generate custom favicons from logos, text, or brand colors - prevents launching with CMS defaults. Extract icons from logos, create monogram favicons from initials, or use branded shapes. Outputs all required formats: favicon.svg, favicon.ico, apple-touch-icon.png, and web app manifest. Use when: initializing new websites, replacing WordPress/CMS default favicons, converting logos to favicons, creating branded icons from text only, or troubleshooting favicon not displaying, iOS icon transparency, or missing manifest files.

Skills

elevenlabs-agents

jezweb/claude-skills

Build conversational AI voice agents with ElevenLabs Platform. Configure agents, tools, RAG knowledge bases, agent versioning with A/B testing, and MCP security. React, React Native, or Swift SDKs. Prevents 34 documented errors. Use when: building voice agents, AI phone systems, agent versioning/branching, MCP security, or troubleshooting @11labs deprecated, webhook errors, CSP violations, localhost allowlist, tool parsing errors.

Skills

drizzle-orm-d1

jezweb/claude-skills

Build type-safe D1 databases with Drizzle ORM. Includes schema definition, migrations with Drizzle Kit, relations, and D1 batch API patterns. Prevents 18 errors including SQL BEGIN failures, cascade data loss, 100-parameter limits, and foreign key issues. Use when: defining D1 schemas, managing migrations, bulk inserts, or troubleshooting D1_ERROR, BEGIN TRANSACTION, foreign keys, "too many SQL variables".

Skills

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