productivity▌

Implement Progressive Web App features including service workers, caching strategies, offline support, and installation prompts for React and Svelte applications.

Create professional Marp presentation slides with 7 pre-designed themes and automatic quality enhancements. \n \n Includes 7 built-in themes (default, minimal, colorful, dark, gradient, tech, business) with embedded CSS, each optimized for different content types and audiences \n Provides structured templates and best-practice guidelines for slide layout, typography, and visual hierarchy \n Supports image integration using Marp syntax for side layouts, full backgrounds, and multi-image compositi

Full-stack Vue framework with SSR, file-based routing, auto-imports, and universal deployment via Nitro. \n \n Covers core concepts including directory structure, configuration, CLI commands, file-based routing with middleware and layouts, and data fetching with useFetch and useAsyncData \n Supports three rendering modes: universal SSR, client-side SPA, and hybrid rendering with route-level control \n Includes auto-import systems for composables and components, built-in components like NuxtLink

TanStack Query best practices for optimized data fetching, caching, mutations, and server state management in React. \n \n Covers 32 rules across 10 categories: query keys, caching strategies, mutations, error handling, prefetching, infinite queries, SSR integration, parallel queries, performance optimization, and offline support \n Each rule includes explanation, anti-patterns, recommended implementations, and contextual guidance for when to apply \n Prioritized by impact: critical rules preven

Comprehensive guidelines for building secure, performant Chrome extensions with Manifest V3. \n \n Covers full extension architecture including background Service Workers, content scripts, popup UI, and inter-component messaging with security best practices \n Emphasizes Manifest V3 compliance, least-privilege permissions, Content Security Policy implementation, and protection against XSS and injection attacks \n Includes Chrome API patterns for storage, tabs, runtime, alarms, and actions; async

Deterministic control of cmux window, workspace, pane, and surface topology for multi-pane layout automation. \n \n Commands cover window and workspace creation, pane splitting, surface movement and reordering, focus routing, and visual attention cues via flash triggers \n Uses short reference handles (window:N, workspace:N, pane:N, surface:N) by default; supports UUID input and output when needed \n Designed for automation workflows requiring precise, repeatable placement and navigation across

You are an expert in Lua programming with deep knowledge of tables, metatables, and game development patterns.

React charting library built on top of D3 for composable, declarative data visualization.

Use PptxGenJS for slide authoring. Do not use python-pptx for deck generation unless the task is inspection-only; keep editable output in JavaScript and deliver both the .pptx and the source .js.

Extract summaries and transcripts from URLs, videos, and local files via CLI. \n \n Supports URLs, YouTube links, PDFs, and local files with configurable summary length (short to xxl) and output format (text or JSON) \n Works with OpenAI, Anthropic, xAI, and Google Gemini models; defaults to Gemini 3 Flash if no model specified \n Includes best-effort YouTube transcript extraction and Firecrawl/Apify fallbacks for blocked or hard-to-parse content \n Single command interface with optional config