georgekhananaev/claude-skills-vault

georgekhananaev/claude-skills-vault

Skill Claude Code

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…

georgekhananaev/claude-skills-vault

Skill Claude Code needs its repo

Safety-first Salesforce CLI skill wrapping sf (v2). This skill should be used when performing Salesforce operations — SOQL/SOSL queries, metadata deploy/retrieve, data import/export, Apex execution, org management, auth, and platform events. Enforces risk classification w/ mandatory confirmation for all…

georgekhananaev/claude-skills-vault

Skill Claude Code

Replace hardcoded styles with semantic design tokens (colors, typography, spacing, sizing) across a codebase. Use when refactoring inline hex colors/px values to a design system, migrating to CSS variables or Tailwind theme tokens, or enforcing token consistency.

georgekhananaev/claude-skills-vault

Skill Claude Code

This skill should be used when the user asks to "design REST APIs", "optimize database queries", "implement authentication", "build microservices", "review backend code", "set up GraphQL", "handle database migrations", or "load test APIs". Use for Node.js/Express/Fastify development, PostgreSQL optimization, API…

georgekhananaev/claude-skills-vault

Skill Claude Code

Guide for creating effective 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.

georgekhananaev/claude-skills-vault

Skill Claude Code

Guides Stripe integration decisions — API selection (Checkout Sessions vs PaymentIntents), Connect platform setup (Accounts v2, controller properties), billing/subscriptions, Treasury financial accounts, integration surfaces (Checkout, Payment Element), migrating from deprecated Stripe APIs, and security best…

georgekhananaev/claude-skills-vault

Skill Claude Code

CLI automation for Supabase development workflows. Provides scripts for migrations, Edge Functions, secrets management, type generation, and SQL execution with safety checks.

georgekhananaev/claude-skills-vault

Skill Claude Code

Swift 6.2 Approachable Concurrency — single-threaded by default, @concurrent for explicit background offloading, isolated conformances for main actor types.

georgekhananaev/claude-skills-vault

Skill Claude Code

SwiftUI architecture patterns, state management with @Observable, view composition, navigation, performance optimization, and modern iOS/macOS UI best practices.

georgekhananaev/claude-skills-vault

Skill Claude Code

System architecture skill for designing scalable, maintainable software systems. Covers microservices/monolith decisions, API design, DB selection, caching, security, and scalability planning.

georgekhananaev/claude-skills-vault

Skill Claude Code

Terraform infrastructure-as-code skills from HashiCorp. Covers HCL code generation with style conventions, testing with .tftest.hcl files, and module refactoring. Use when writing, reviewing, generating, or refactoring Terraform configurations, creating tests, or designing modules.

georgekhananaev/claude-skills-vault

Skill Claude Code needs its repo

This skill explains the 3 test levels (Unit, Integration, E2E) using the "Building a Car" analogy and provides guidance on when to use each type. Includes project-specific Playwright examples.

georgekhananaev/claude-skills-vault

Skill Claude Code

Production-grade testing strategies for robust, maintainable systems. Covers unit/integration/E2E testing, contract testing, accessibility, mutation testing, and CI/CD patterns. Supports Python (pytest) and TypeScript (Jest/Vitest/Playwright).

georgekhananaev/claude-skills-vault

Skill Claude Code

Security-focused static analysis and code auditing skills from Trail of Bits. Includes CodeQL deep analysis, Semgrep scanning, and SARIF result processing. Use when performing security audits, running static analysis, scanning for vulnerabilities, or processing scan results.

georgekhananaev/claude-skills-vault

Skill Claude Code

UI/UX design intelligence. 50 styles, 21 palettes, 50 font pairings, 20 charts, 9 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, check UI/UX code. Projects: website, landing…

georgekhananaev/claude-skills-vault

Skill Claude Code

Comprehensive UX/UI evaluation meta-skill combining design theory and UX methodology. Use when conducting UI/UX audits, visual design reviews, accessibility compliance (WCAG 2.2), user flow analysis, responsive testing, interaction design evaluation, or design system audits. Evaluates using Nielsen's heuristics…

georgekhananaev/claude-skills-vault

Skill Claude Code

Safely upgrade JavaScript packages with breaking change detection, migration guidance, and automated code migrations (npm/pnpm/yarn). Cross-platform with git safety branch enforcement.

georgekhananaev/claude-skills-vault

Skill Claude Code

Safety-first Vercel CLI (vercel/vc) skill to fully manage projects from the terminal — deploys, env vars, domains, DNS, certs, projects, teams, logs, rollbacks, promotions, firewall, and vercel api. Classifies each command by risk tier and gates destructive/forbidden ops behind confirmation. Self-heals via embedded…

georgekhananaev/claude-skills-vault

Skill Claude Code

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.

georgekhananaev/claude-skills-vault

Skill Claude Code

Web quality optimization skills based on Google Lighthouse guidelines and Core Web Vitals. Use when asked to audit web quality, optimize performance, improve accessibility, fix SEO, apply best practices, or analyze Core Web Vitals (LCP, INP, CLS).

georgekhananaev/claude-skills-vault

Skill Claude Code needs its repo

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.