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Found 9,584 Skills
Cross-language linter autofix commands and common fix patterns for biome, ruff, clippy, shellcheck, and more.
AI image generation for paid ad creatives. Reads campaign-brief.md and brand-profile.json to produce platform-sized ad images using Gemini (default) or a configured provider. Requires GOOGLE_API_KEY or ADS_IMAGE_PROVIDER + matching key. Triggers on: "generate ads", "create images", "make ad creatives", "generate visuals", "create ad images", "generate campaign images", "make the images", "generate from brief".
JSON Web Tokens for authentication. Covers token structure, signing, and validation. Use for stateless authentication. USE WHEN: user mentions "JWT", "token authentication", "access token", "refresh token", asks about "stateless auth", "token signing", "token validation" DO NOT USE FOR: session-based auth (use session management), OAuth flows (use oauth2 skill), NextAuth.js (use nextauth skill)
This skill should be used when the user asks to "audit this code", "deep analysis before security review", "build architectural context", "line-by-line code review", or needs ultra-granular analysis before vulnerability discovery. Provides structured context-building methodology with First Principles, 5 Whys, 5 Hows micro-analysis patterns.
Authentication patterns for external services: API keys, OAuth, token management, verification. authentication, API keys, OAuth, token management, credentials.
Next.js 16+ and Turbopack — incremental bundling, FS caching, dev speed, and when to use Turbopack vs webpack.
Build MCP servers with Node/TypeScript SDK — tools, resources, prompts, Zod validation, stdio vs Streamable HTTP. Use Context7 or official MCP docs for latest API.
Frontend page development. Use this skill when you need to develop web applications, create UI components, implement interactive features, or optimize frontend performance.
React 19 new features and APIs. Covers Actions, useActionState, useFormStatus, useOptimistic, use() hook, Server Components, Server Actions, improved ref handling, document metadata, and new compiler. USE WHEN: user mentions "React 19", "useActionState", "useFormStatus", "useOptimistic", "use() hook", "Server Components", "Server Actions", "React Compiler", asks about "React 19 features", "Actions in React", "ref as prop" DO NOT USE FOR: React 18 and earlier - use `react` skill instead, forms in general - use `react-forms` or `react-hook-form` skills instead
Ljung-Box portmanteau tests for model diagnostics and residual analysis
Time series visualization and diagnostic plotting utilities
Fetch latest from origin, prune remote-tracking refs, delete stale local branches and worktrees, and fast-forward important branches. Use when tidying up a worktree-based repo layout.