Frontend

Pinia Colada data fetching for Vue/Nuxt with useQuery, useMutation. Use for async state, query cache, SSR, or encountering invalidation, hydration, TanStack Vue Query migration errors.

Generate planning docs (IMPLEMENTATION_PHASES.md, DATABASE_SCHEMA.md, API_ENDPOINTS.md, ARCHITECTURE.md) for web projects. Use for new projects, major features, or phased development with Cloudflare Workers + Vite + React.

Expert guidance for writing Python tests with pytest and unittest. Use when writing tests, debugging test failures, or improving test coverage for Python projects.

Assess license compatibility for Python package redistribution using SPDX.org license database. Evaluates whether a given license allows building and distributing wheels, with real-time license information lookup.

Electronic circuit simulation and SPICE analysis via ngspice MCP tool

Type-safe ORM for Cloudflare D1 databases using Drizzle. Use when: building D1 database schemas, writing type-safe SQL queries, managing migrations with Drizzle Kit, defining table relations, implementing prepared statements, using D1 batch API, or encountering D1_ERROR, transaction errors, foreign key constraint failures, or schema inference issues.Keywords: drizzle orm, drizzle d1, type-safe sql, drizzle schema, drizzle migrations,drizzle kit, orm cloudflare, d1 orm, drizzle typescript, drizzle relations, drizzle transactions,drizzle query builder, schema definition, prepared statements, drizzle batch, migration management,relational queries, drizzle joins, D1_ERROR, BEGIN TRANSACTION d1, foreign key constraint,migration failed, schema not found, d1 binding error, schema design, database indexes, soft deletes,uuid primary keys, enum constraints, performance optimization, naming conventions, schema testing

TanStack Start full-stack React framework with Bun runtime. Use for TanStack Router, server functions, vinxi, or encountering SSR, build, preset errors.

Designs responsive interfaces starting from mobile screens with progressive enhancement for larger devices. Use when building responsive websites, optimizing for mobile users, or implementing adaptive layouts.

Guide for creating effective Claude Code skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

100+ animated React components (Aceternity UI) for Next.js with Tailwind. Use for hero sections, parallax, 3D effects, or encountering animation, shadcn CLI integration errors.

Creates detailed technical specifications for software projects covering requirements, architecture, APIs, and testing strategies. Use when planning features, documenting system design, or creating architecture decision records.

Expert guidance for debugging code, analyzing errors, and systematic problem-solving. Use when troubleshooting bugs, understanding error messages, or investigating unexpected behavior.

Zustand state management for React with TypeScript. Use for global state, Redux/Context API migration, localStorage persistence, slices pattern, devtools, Next.js SSR, or encountering hydration errors, TypeScript inference issues, persist middleware problems, infinite render loops.

Interactive prompt engineering coach that elevates vague prompts through Socratic dialogue, multiple transformation styles, and guided learning. Use when improving prompts, learning agentic engineering, or wanting coached guidance rather than automated transformation. NEVER auto-executes - always displays and asks first.

Comprehensive guide for all 8 Nuxt SEO modules plus Pro modules: @nuxtjs/seo, nuxt-robots, nuxt-sitemap, nuxt-og-image, nuxt-schema-org, nuxt-link-checker, nuxt-seo-utils, nuxt-site-config, and Pro modules (AI Ready, Skew Protection, SEO Pro MCP). Use when building SEO-optimized Nuxt applications, implementing robots.txt and sitemaps, generating Open Graph images, adding Schema.org structured data, managing meta tags, checking links, configuring site-wide SEO settings, or implementing advanced SEO features like rendering modes, canonical URLs, Twitter Cards, and IndexNow.Keywords: nuxt-seo, nuxt, seo, nuxt 3, nuxt 4, nuxt seo, vue, vue 3, search engine optimization, @nuxtjs/seo, nuxt-robots, nuxt-sitemap, nuxt-og-image, nuxt-schema-org, nuxt-link-checker, nuxt-seo-utils, nuxt-site-config, robots.txt, sitemap, sitemap.xml, og image, open graph, social sharing, meta tags, schema.org, structured data, json-ld, canonical urls, breadcrumbs, bot detection, crawling, indexing, noindex, nofollow, xml sitemap, multi

Provides frontend development guidelines for Nette. Use when working with Vite, SCSS, JavaScript, Nette Assets, or build configuration.

Generate comprehensive Product Requirement Plans (PRPs) for feature implementation with thorough codebase analysis and external research. Use when the user requests a PRP, PRD, or detailed implementation plan for a new feature. Conducts systematic research, identifies patterns, and creates executable validation gates for one-pass implementation success.

JavaScript development guidance for Claude Code. Use when writing, testing, or working with JavaScript code to ensure consistent practices and proper test execution.

Expert guidance for testing web applications using Playwright and other testing frameworks. Use when testing UIs, automating browser interactions, or validating web app behavior.

Implements standardized API error responses with proper status codes, logging, and user-friendly messages. Use when building production APIs, implementing error recovery patterns, or integrating error monitoring services.