GitHub
vitest
Tests JavaScript and TypeScript applications with Vitest including unit tests, mocking, coverage, and React component testing. Use when writing tests, setting up test infrastructure, mocking dependencies, or me...
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type-safety
Fixes TypeScript type safety issues including unsafe member access, assignments, returns, calls, and arguments. Use when encountering @typescript-eslint/no-unsafe-* errors or when working with unknown/any types...
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GitHub
tsup
Configures tsup for zero-config TypeScript library bundling with ESM/CJS output, declarations, and esbuild speed. Use when building TypeScript packages, creating dual ESM/CJS libraries, or publishing to npm.
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GitHub
keystonejs
Builds content APIs with KeystoneJS, the Node.js headless CMS with GraphQL. Use when creating admin UIs and APIs with automatic CRUD operations, relationships, access control, and TypeScript support.
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GitHub
valtio
Manages state with Valtio using proxy-based reactivity, direct mutations, and automatic re-renders. Use when wanting mutable state syntax, fine-grained reactivity, or state management outside React components.
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GitHub
chromatic
Automates visual regression testing for Storybook components using cloud-based snapshot comparison. Use when setting up visual testing, catching UI regressions, or reviewing component changes.
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GitHub
langchain-js
Builds LLM-powered applications with LangChain.js for chat, agents, and RAG. Use when creating AI applications with chains, memory, tools, and retrieval-augmented generation in JavaScript.
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GitHub
docker-web
Containerizes web applications with Docker for consistent deployments across environments. Use when creating Dockerfiles, building container images, or setting up Docker Compose for development.
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GitHub
playwright
Tests web applications with Playwright including E2E tests, locators, assertions, and visual testing. Use when writing end-to-end tests, testing across browsers, automating user flows, or debugging test failure...
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GitHub
paypal
Integrates PayPal payments with the JavaScript SDK for checkout buttons and card fields. Use when accepting PayPal, Venmo, Pay Later, and credit card payments in web applications.
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GitHub
aws-s3
Manages file storage with AWS S3 using the JavaScript SDK v3. Use when uploading files, generating presigned URLs, managing buckets, or implementing cloud storage in Node.js applications.
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GitHub
vercel-ai-sdk
Builds AI-powered applications with Vercel AI SDK including streaming responses, chat interfaces, and model integration. Use when integrating LLMs, building chat applications, streaming AI responses, or impleme...
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GitHub
express
Builds APIs with Express including routing, middleware, error handling, and security. Use when creating Node.js APIs, building REST services, or adding middleware-based server functionality.
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GitHub
supabase-db
Implements Supabase PostgreSQL database with JavaScript client, Row Level Security, real-time subscriptions, and edge functions. Use when building apps with Supabase, implementing RLS policies, or needing real-...
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GitHub
storybook
Develops and documents UI components in isolation with Storybook's interactive workshop environment. Use when building component libraries, documenting design systems, or when user mentions Storybook, component...
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GitHub
firebase-auth
Implements Firebase Authentication with email, OAuth, phone auth, and custom tokens. Use when building apps with Firebase, needing flexible auth methods, or integrating with Firebase ecosystem.
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GitHub
vercel-analytics
Implements privacy-friendly web analytics with Vercel Analytics for traffic insights and Web Vitals. Use when tracking page views and performance metrics in Next.js applications deployed on Vercel.
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GitHub
refactoring
Identifies code smells, applies design patterns, guides migrations, and performs security/performance/accessibility refactoring. Use when improving code quality, modernizing codebases, applying design patterns,...
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GitHub
architecture-assessment
Evaluates codebase architecture for patterns, anti-patterns, coupling, cohesion, scalability, and technical debt. Use when assessing system design, reviewing architecture decisions, identifying improvement area...
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GitHub
turso
Implements Turso edge SQLite database with libSQL client, embedded replicas, and vector search. Use when building edge-first apps, implementing embedded databases, or needing SQLite with global replication.
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GitHub
documentation
Generates README files, API documentation, changelogs, runbooks, and SDK code from project analysis. Use when creating documentation, generating changelogs, documenting APIs, creating runbooks, or generating cl...
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GitHub
testing-library
Tests UI components with Testing Library including queries, user events, and async utilities. Use when testing React/Vue/Svelte components, writing accessible tests, or testing user interactions.
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GitHub
hono
Builds APIs with Hono including routing, middleware, validation, and edge deployment. Use when creating fast APIs, building edge functions, or developing serverless applications.
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GitHub
tailwindcss
Styles web applications with Tailwind CSS using utility classes, responsive design, custom themes, and component patterns. Use when setting up Tailwind, creating layouts, implementing responsive designs, or cus...
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