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home / skills / secondsky / claude-skills
secondsky/claude-skills
Production-ready skills for Claude Code CLI - Cloudflare, React, Tailwind v4, and AI integrations
146 skills
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bun-tanstack-start
secondsky/claude-skills
52
This skill helps you scaffold and run TanStack Start projects on Bun, including routing, server functions, and deployment with Vinxi.
react-best-practices
secondsky/claude-skills
52
React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.
api-filtering-sorting
secondsky/claude-skills
52
This skill helps you implement flexible API filtering and sorting by parsing query parameters, validating input, and securing endpoints.
inspira-ui
secondsky/claude-skills
52
This skill helps you implement Inspira UI animated Vue/Nuxt components quickly with Tailwind v4 and motion-v, boosting visual impact.
database-schema-design
secondsky/claude-skills
52
This skill designs robust PostgreSQL/MySQL schemas, enforces constraints, and guides normalization to prevent common pitfalls and improve data integrity.
internationalization-i18n
secondsky/claude-skills
52
This skill implements multi-language support with i18n tooling and formatting, enabling RTL, pluralization, and locale-aware dates and numbers.
progressive-web-app
secondsky/claude-skills
52
This skill helps you build installable PWAs with offline support, service workers, and install prompts to enhance reliability and engagement.
nuxt-ui-v4
secondsky/claude-skills
52
This skill helps you scaffold and optimize Nuxt UI v4 dashboards, editors, and forms with ready-made components and theming.
payment-gateway-integration
secondsky/claude-skills
52
This skill helps you implement secure payment gateway flows with Stripe and PayPal, including subscriptions, webhooks, and PCI-compliant error handling.
cloudflare-workers-security
secondsky/claude-skills
52
This skill helps secure Cloudflare Workers APIs by validating input, authenticating requests, enforcing rate limits, and applying security headers.
jest-generator
secondsky/claude-skills
52
This skill generates Jest unit tests for JavaScript and TypeScript code, including mocks, describe blocks, and coverage-friendly patterns.
bun-sveltekit
secondsky/claude-skills
52
This skill helps you develop and run SvelteKit apps on Bun with adapters and Bun APIs for faster builds and streamlined development.
aceternity-ui
secondsky/claude-skills
52
This skill helps you implement Aceternity UI components in Next.js projects with Tailwind and Framer Motion for stunning animated interfaces.
architecture-patterns
secondsky/claude-skills
52
Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing applications for better maintainability.
neon-vercel-postgres
secondsky/claude-skills
52
This skill helps you integrate Neon and Vercel Postgres for edge and serverless apps with safe, pooled connections and ORM tooling.
push-notification-setup
secondsky/claude-skills
52
This skill helps you implement cross-platform push notifications with Firebase Cloud Messaging and native services for iOS, Android, and web.
ml-model-training
secondsky/claude-skills
52
This skill helps you train ML models efficiently with scikit-learn, PyTorch, and TensorFlow by guiding data prep, training, and evaluation.
claude-code-bash-patterns
secondsky/claude-skills
52
This skill helps you automate and orchestrate bash workflows with pretool hooks, command chaining, and secure, reusable patterns for reliable CLI tasks.
drizzle-orm-d1
secondsky/claude-skills
52
This skill helps you implement type-safe, schema-first Drizzle ORM workflows for Cloudflare D1, including migrations, relations, and batch queries.
websocket-implementation
secondsky/claude-skills
52
This skill implements scalable real-time messaging with room-based WebSocket support, offering authentication, Redis-backed scaling, and reliable delivery for
oauth-implementation
secondsky/claude-skills
52
This skill helps implement OAuth 2.0 and OpenID Connect securely, guiding flows, PKCE, token handling, and session management for apps.
api-contract-testing
secondsky/claude-skills
52
This skill verifies API contracts between services using consumer-driven tests and schema validation to prevent breaking changes.
cloudflare-workers-frameworks
secondsky/claude-skills
52
This skill helps you build full-stack Cloudflare Workers apps with Hono, Remix, Next.js, Astro, SvelteKit, Qwik, or Nuxt.
motion
secondsky/claude-skills
52
This skill helps you implement and optimize Motion animation workflows in React, enabling drag, scroll, layout, and SVG transitions with minimal code.
chrome-devtools
secondsky/claude-skills
52
This skill automates browser tasks with Puppeteer scripts, producing JSON outputs for screenshots, data extraction, and performance analysis.
recommendation-system
secondsky/claude-skills
52
This skill helps you deploy scalable recommendation systems with feature stores, caching, and A/B testing for low-latency personalization.
bun-bundler
secondsky/claude-skills
52
This skill helps you configure and optimize Bun's bundler for production builds, enabling code splitting, minification, sourcemaps, and target-specific outputs.
bun-jest-migration
secondsky/claude-skills
52
This skill helps migrate Jest tests to Bun's test runner, simplifying imports, mocks, timers, and configuration for seamless compatibility.
dependency-upgrade
secondsky/claude-skills
52
Manage major dependency version upgrades with compatibility analysis, staged rollout, and comprehensive testing. Use when upgrading framework versions, updating major dependencies, or managing breaking changes in libraries.
logging-best-practices
secondsky/claude-skills
52
This skill helps implement secure structured logging with proper levels, context, and PII sanitization to improve observability.
react-composition-patterns
secondsky/claude-skills
52
This skill helps you refactor React components by applying composition patterns to reduce boolean props and design flexible, reusable APIs.
zod
secondsky/claude-skills
52
This skill validates data at runtime using a TypeScript-first schema system, inferring types and transforming data with robust error handling.
test-quality-analysis
secondsky/claude-skills
52
This skill analyzes test quality to detect smells, flaky tests, and coverage gaps, guiding improvements in correctness, reliability, and maintainability.
api-error-handling
secondsky/claude-skills
52
This skill enforces standardized API error handling with structured responses, logging, and recovery patterns to improve reliability and observability.
api-pagination
secondsky/claude-skills
52
This skill helps you implement scalable API pagination using offset, cursor, and keyset strategies to optimize large datasets.
mutation-testing
secondsky/claude-skills
52
This skill helps you validate test effectiveness through mutation testing with Stryker and mutmut, revealing weak tests and improving quality.
frontend-design
secondsky/claude-skills
52
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.
cloudflare-workers-dev-experience
secondsky/claude-skills
52
This skill guides local Cloudflare Workers development with Wrangler and Miniflare, enabling quick setup, config validation, and effective debugging.
idempotency-handling
secondsky/claude-skills
52
This skill helps you implement idempotent API operations using idempotency keys, Redis caching, and DB constraints to prevent duplicates.
maz-ui
secondsky/claude-skills
52
This skill helps you integrate Maz-UI into Vue or Nuxt apps, leveraging 50+ components, theming, i18n, and SSR-ready patterns.
mobile-app-testing
secondsky/claude-skills
52
This skill helps you implement mobile app testing strategies across unit, integration and E2E layers with React Native, iOS and Android tooling.
bun-sqlite
secondsky/claude-skills
52
This skill provides fast Bun SQLite operations with prepared statements, transactions, and querying guidance for reliable, production-ready data access.
nuxt-data
secondsky/claude-skills
52
This skill helps you manage Nuxt 4 data with composables, useFetch/useAsyncData, and Pinia for SSR-safe, reactive state.
plan-interview
secondsky/claude-skills
52
This skill transforms rough plans into implementation-ready specifications through adaptive, interview-driven questioning and structured requirement gathering.
thesys-generative-ui
secondsky/claude-skills
52
This skill helps you generate production-ready React components from natural language prompts using a schema-driven Thesys UI, accelerating frontend
responsive-web-design
secondsky/claude-skills
52
This skill helps you design responsive web interfaces with mobile-first CSS, flexible grids, and fluid typography across devices.
security-headers-configuration
secondsky/claude-skills
52
This skill helps you apply HTTP security headers to harden web apps, guarding against XSS, clickjacking, and MIME sniffing.
seo-keyword-cluster-builder
secondsky/claude-skills
52
This skill helps you organize keywords into topic clusters, plan pillar content, and optimize internal linking for better search visibility.
sequential-thinking
secondsky/claude-skills
52
This skill enables structured, iterative reasoning with revision and branching to tackle complex problems and multi-step analyses.
session-management
secondsky/claude-skills
52
This skill helps you implement secure session management using JWTs, Redis storage, and proper cookie configurations to safeguard user sessions.
api-rate-limiting
secondsky/claude-skills
52
This skill helps you implement robust API rate limiting using token bucket, sliding window, and Redis-based strategies to protect endpoints.
supabase-postgres-best-practices
secondsky/claude-skills
52
This skill helps you optimize Postgres queries, schemas, and configurations using Supabase best-practices for faster, more scalable databases.
sveltia-cms
secondsky/claude-skills
52
This skill helps you integrate Sveltia CMS into static site projects, delivering fast Git-backed content with framework-agnostic admin and i18n.
swift-best-practices
secondsky/claude-skills
52
This skill helps you write and review Swift code with Swift 6+ best practices, concurrency safety, and migration guidance.
tailwind-v4-shadcn
secondsky/claude-skills
52
This skill helps you set up Tailwind v4 with shadcn/ui in React projects, ensuring dark mode, CSS variable architecture, and painless migration.
technical-specification
secondsky/claude-skills
52
This skill generates comprehensive technical specifications for software projects, guiding architecture, API design, testing strategies, and documentation.
threejs
secondsky/claude-skills
52
This skill helps you build and optimize interactive Three.js 3D web experiences with scene setup, geometry, lighting, textures, and shaders.
vulnerability-scanning
secondsky/claude-skills
52
This skill automates security vulnerability scanning across dependencies, code, and containers to enforce CI/CD gates and compliance.
ultracite
secondsky/claude-skills
52
This skill provides fast, zero-config linting and formatting across Biome, ESLint, and Oxlint to speed up TypeScript projects.
woocommerce-backend-dev
secondsky/claude-skills
52
This skill guides backend WooCommerce PHP development, ensuring code follows project conventions, naming, hooks, tests, and WordPress standards.
woocommerce-copy-guidelines
secondsky/claude-skills
52
This skill helps you write user-facing copy for WooCommerce by enforcing sentence case, conciseness, and consistency across UI elements.
mcp-management
secondsky/claude-skills
52
This skill helps manage and discover MCP servers, analyze capabilities, and execute tools without polluting the main context.
cloudflare-workers-multi-lang
secondsky/claude-skills
52
This skill guides multi-language Cloudflare Workers development by integrating Rust, Python, and WASM to boost performance and flexibility.
design-system-creation
secondsky/claude-skills
52
This skill helps you create comprehensive design systems with tokens, components, and documentation for consistent UI across teams.
interaction-design
secondsky/claude-skills
52
This skill helps you design intuitive user experiences with loading, error, empty states and accessible microinteractions.
access-control-rbac
secondsky/claude-skills
52
This skill implements secure access control with RBAC, ABAC, and policies to simplify fine-grained authorization in multi-tenant apps.
api-gateway-configuration
secondsky/claude-skills
52
This skill helps you design and configure API gateways for routing, security, and performance across Kong, Nginx, AWS API Gateway, and Traefik.
api-response-optimization
secondsky/claude-skills
52
This skill reduces API payloads, enables efficient caching, and applies compression to improve response times and bandwidth usage.
api-security-hardening
secondsky/claude-skills
52
This skill helps harden REST APIs by applying authentication, rate limiting, input validation, and security headers across routes for production security.
api-versioning-strategy
secondsky/claude-skills
52
This skill helps you implement API versioning strategies with clear deprecation timelines and safe migration paths across v1 and v2.
mobile-first-design
secondsky/claude-skills
52
This skill helps design mobile-first responsive interfaces by guiding breakpoints, touch targets, and progressive enhancement for performance and accessibility.
model-deployment
secondsky/claude-skills
52
This skill helps deploy and monitor ML models with FastAPI, Docker, and Kubernetes, ensuring scalable serving and drift-aware reliability.
bun-cloudflare-workers
secondsky/claude-skills
52
This skill helps you build and deploy Cloudflare Workers with Bun, enabling rapid local development and seamless edge deployments.
bun-docker
secondsky/claude-skills
52
This skill helps you containerize Bun apps with official oven/bun images, Dockerfiles, and multi-stage deployments for reliable production runs.
bun-drizzle-integration
secondsky/claude-skills
52
This skill helps you integrate Drizzle ORM with Bun SQLite by enabling type-safe schemas and streamlined migrations.
bun-ffi
secondsky/claude-skills
52
This skill helps you call native C/C++ libraries from Bun by using dlopen and FFIType, enabling cross-language integration.
bun-hot-reloading
secondsky/claude-skills
52
This skill helps you accelerate development with Bun hot and watch modes, preserving state where possible and enabling instant HTTP server reloads.
bun-http-server
secondsky/claude-skills
52
This skill helps you build high-performance Bun HTTP servers, handle requests, routing, and responses with practical code patterns.
bun-nuxt
secondsky/claude-skills
52
This skill helps you run Nuxt 3 apps on Bun for faster development, building, and production previews.
bun-package-manager
secondsky/claude-skills
52
This skill helps you manage Bun package workloads efficiently by installing, adding, updating, and migrating dependencies across projects.
bun-redis
secondsky/claude-skills
52
This skill helps Bun users integrate Redis with ioredis, Upstash, or native Redis, enabling caching, pub/sub, and session storage.
api-design-principles
secondsky/claude-skills
52
Master REST and GraphQL API design principles to build intuitive, scalable, and maintainable APIs that delight developers. Use when designing new APIs, reviewing API specifications, or establishing API design standards.
react-native-skills
secondsky/claude-skills
52
React Native and Expo best practices for building performant mobile apps. Use when building React Native components, optimizing list performance, implementing animations, or working with native modules. Triggers on tasks involving React Native, Expo, mobile performance, or native platform APIs.
claude-hook-writer
secondsky/claude-skills
52
This skill guides you to write secure, reliable, and fast Claude Code hooks by validating decisions, enforcing best practices, and avoiding common pitfalls.
bun-shell
secondsky/claude-skills
52
This skill helps you automate shell tasks with Bun.$, Bun.spawn, and subprocess control, enabling safe command execution, piping, and environment management.
bun-test-basics
secondsky/claude-skills
52
This skill helps you write and run Bun test suites with Jest-compatible syntax, including describe/it, patterns, and modifiers.
bun-test-mocking
secondsky/claude-skills
52
This skill helps you mock functions and modules in Bun tests using Jest-compatible mocks, spyOn, and mock.module for reliable test doubles.
bun-websocket-server
secondsky/claude-skills
52
This skill helps you implement WebSocket servers in Bun using Bun.serve, enabling real-time messaging, pub/sub, and client broadcasting.
bun-workers
secondsky/claude-skills
52
This skill enables parallel execution with Bun Web Workers and worker_threads to boost performance and responsiveness in complex tasks.
cloudflare-agents
secondsky/claude-skills
52
This skill helps you build AI agents on Cloudflare Workers by integrating tools, MCP, and multiple LLM providers for scalable automation.
cloudflare-workers-performance
secondsky/claude-skills
52
This skill helps optimize Cloudflare Workers performance by reducing cold starts, memory, CPU usage, and leveraging edge caching and streaming.
cloudflare-workers-runtime-apis
secondsky/claude-skills
52
This skill helps you master Cloudflare Workers runtime APIs for fetch, streams, crypto, cache, websockets, and encoding to build robust edge apps.
code-review
secondsky/claude-skills
52
This skill enforces rigorous code review with evidence-based verification gates, guiding feedback reception, structured reviews, and verifiable completion
database-sharding
secondsky/claude-skills
52
This skill guides scalable PostgreSQL/MySQL sharding with hash, range, and directory strategies to improve throughput and multi-tenant isolation.
google-gemini-file-search
secondsky/claude-skills
52
This skill enables fully managed RAG with Gemini 2.5, indexing 100+ file formats, citations, and cost predictability for document Q&A and knowledge bases.
health-check-endpoints
secondsky/claude-skills
52
This skill helps you implement robust health check endpoints for liveness and readiness to improve reliability and auto-scaling.
image-optimization
secondsky/claude-skills
52
This skill helps optimize images for web performance by selecting modern formats, responsive srcset, and lazy loading techniques.
ml-pipeline-automation
secondsky/claude-skills
52
This skill helps automate end-to-end ML pipelines with Airflow, Kubeflow, and MLflow, enabling reproducible workflows and reliable retraining schedules.