productivity▌

Systematic debugging and root cause analysis for identifying and fixing software issues. \n \n Provides a structured six-step debugging process: understand the problem, gather information, form hypotheses, test hypotheses, identify root cause, and fix with verification \n Includes practical strategies like binary search for code isolation, rubber duck debugging, strategic logging patterns, and git bisect for regression tracking \n Documents common bug patterns (off-by-one errors, null references

Build stateful, coordinated applications on Cloudflare's edge with persistent storage and RPC methods. \n \n Designed for coordination patterns: chat rooms, multiplayer games, booking systems, and per-entity state management using deterministic routing via getByName() \n Includes SQLite storage with synchronous sql.exec() , KV storage, alarms for scheduled per-entity work, and WebSocket support \n Provides RPC method calls (preferred over fetch handlers), blockConcurrencyWhile() for initializati

PostgreSQL best practices for indexing, schema design, query optimization, and security. \n \n Covers six index types with specific use cases: B-tree for equality/range queries, composite for multi-column filters, GIN for JSONB and full-text search, and BRIN for time-series data \n Includes data type guidance (bigint for IDs, text over varchar, timestamptz for timestamps, numeric for money) and anti-pattern detection queries for unindexed foreign keys and slow queries \n Provides ready-to-use SQ

Programmatic iOS App Store screenshot generator with Next.js, html-to-image export, and multi-locale theme support. \n \n Renders advertisement-focused screenshots (not UI documentation) at Apple's required resolutions (1320×2868 for iPhone, 2064×2752 for iPad) with built-in phone and iPad mockup components \n Supports theme presets, multi-language locales with RTL handling, and device toggling; all screenshots share a single page.tsx file with no routing overhead \n Includes structured copy fra

Structure board meetings, investor updates, and executive communication that builds trust and drives decisions — not slide decks that nobody reads.

Test-driven development workflow enforcing 80%+ coverage across unit, integration, and E2E tests. \n \n Write tests first, then implement code to make them pass; covers unit tests (functions, components), integration tests (APIs, databases), and E2E tests (Playwright for critical user flows) \n Includes comprehensive testing patterns with Jest/Vitest for components, API route testing, and Playwright for browser automation workflows \n Provides mocking strategies for external services (Supabase,

SQLite and offline-first data layer architecture for Flutter apps with structured local persistence. \n \n Separates data layer into stateless Services (raw data wrappers) and business-logic Repositories (single source of truth per domain entity) \n Implements offline-first synchronization: reads yield cached local data immediately then fetch remote updates; writes save locally first, then attempt API sync with background queue fallback \n Covers SQLite setup with safe parameterized queries, Dom

Autonomous design critique mode that adds annotations to web pages via the Agentation toolbar in a visible browser. \n \n Requires the Agentation toolbar installed on the target page and the agent-browser skill available; launches in headed mode so users watch the agent scan, hover, and annotate in real time \n Uses coordinate-based mouse events to trigger annotation dialogs (standard element clicks do not work); includes helper patterns for scrolling, bounding box lookup, and dialog interaction

Translate and dub audio/video into 29 languages while preserving original speaker voice. \n \n Supports 29 languages including Spanish, French, German, Chinese, Japanese, Arabic, and more; accepts MP3, MP4, WAV, and MOV files \n Automatically detects speakers and source language, or accepts explicit language specification for precision \n Handles multi-speaker videos while maintaining original voice characteristics, timing, and pacing \n Integrates with inference.sh CLI for single-command dubbin

Valtio-based reactive state management with Pinia-like API for React. \n \n Core API includes defineStore for creating stores with state, actions, and getters, plus useStore hook for React component access \n Advanced features cover subscriptions, patch operations, inline reactive JSX components via Signal, and conversion to useState-like hooks \n Plugin system enables store extensions, including built-in persistent storage plugin for state hydration \n Full TypeScript support with comprehensive