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Found 2,806 Skills
Analyze Dividend Aristocrats (25+ years of consecutive dividend increases) for income reliability and total return. Use when the user asks to evaluate dividend aristocrats, calculate dividend reinvestment returns, assess dividend sustainability, compare income stocks, build a dividend growth portfolio, analyze payout ratios and free cash flow coverage, or rank stocks by dividend reliability and long-term total return.
Comprehensive guide for Cloudflare Durable Objects - globally unique, stateful objects for coordination, real-time communication, and persistent state management. Use when: building real-time applications, creating WebSocket servers with hibernation, implementing chat rooms or multiplayer games, coordinating between multiple clients, managing per-user or per-room state, implementing rate limiting or session management, scheduling tasks with alarms, building queues or workflows, or encountering "do class export", "new_sqlite_classes", "migrations required", "websocket hibernation", "alarm api error", or "global uniqueness" errors. Prevents 15+ documented issues: class not exported, missing migrations, wrong migration type, constructor overhead blocking hibernation, setTimeout breaking hibernation, in-memory state lost on hibernation, outgoing WebSocket not hibernating, global uniqueness confusion, partial deleteAll on KV backend, binding name mismatches, state size limits exceeded, non-atomic migrations, location hints misunderstood, alarm retry failures, and fetch calls blocking hibernation. Keywords: durable objects, cloudflare do, DurableObject class, do bindings, websocket hibernation, do state api, ctx.storage.sql, ctx.acceptWebSocket, webSocketMessage, alarm() handler, storage.setAlarm, idFromName, newUniqueId, getByName, DurableObjectStub, serializeAttachment, real-time cloudflare, multiplayer cloudflare, chat room workers, coordination cloudflare, stateful workers, new_sqlite_classes, do migrations, location hints, RPC methods, blockConcurrencyWhile, "do class export", "new_sqlite_classes", "migrations required", "websocket hibernation", "alarm api error", "global uniqueness", "binding not found"
AgentDB memory system with HNSW vector search. Provides 150x-12,500x faster pattern retrieval, persistent storage, and semantic search capabilities for learning and knowledge management. Use when: need to store successful patterns, searching for similar solutions, semantic lookup of past work, learning from previous tasks, sharing knowledge between agents, building knowledge base. Skip when: no learning needed, ephemeral one-off tasks, external data sources available, read-only exploration.
Write Foundry-based tests and scripts. Trigger phrases - foundry testing, write test, fuzz test, fork test, invariant test, deploy script, gas benchmark, coverage, or when working in tests/ or scripts/ directories.
Implements secure session management with JWT tokens, Redis storage, refresh flows, and proper cookie configuration. Use when building authentication systems, managing user sessions, or implementing secure logout functionality.
Performs comprehensive codebase analysis covering architecture, code quality, security, performance, testing, and maintainability. Use when user wants to audit code quality, identify technical debt, find security issues, assess test coverage, or get a codebase health check.
Advanced TypeScript type system specialist for complex generics, conditional types, template literals, type inference, performance optimization, and type-level programming. Use for intricate type system challenges, recursive types, brand types, utility type authoring, and type performance issues. Includes comprehensive coverage of 18 advanced type system error patterns.
Use when asked to visualize sales territories, coverage areas, service regions, or geographic boundaries on interactive maps.
Fullstack development skill using bkend.ai BaaS platform. Covers authentication, data storage, API integration for dynamic web apps. Project initialization with "init dynamic" or "dynamic init". Use proactively when user needs login, database, or backend features without managing servers. Triggers: fullstack, BaaS, bkend, authentication, login feature, signup, database, web app, SaaS, MVP, init dynamic, dynamic init, 풀스택, 인증, 로그인 기능, 회원가입, 데이터베이스, 웹앱, フルスタック, 認証, ログイン機能, データベース, 全栈, 身份验证, 登录功能, autenticación, inicio de sesión, registro, base de datos, fullstack, aplicación web, authentification, connexion, inscription, base de données, fullstack, application web, Authentifizierung, Anmeldung, Registrierung, Datenbank, Fullstack, Web-App, autenticazione, accesso, registrazione, database, fullstack, applicazione web Do NOT use for: static websites, Enterprise-grade systems requiring custom infrastructure.
Use GitHub Spec Kit's /speckit.implement and /speckit.tasks to systematically build missing features from specifications. Leverages implementation plans in specs/, validates against acceptance criteria, and achieves 100% spec completion. This is Step 6 of 6 in the reverse engineering process.
Expert implementation of @vis.gl/react-google-maps library for Google Maps in React. Use when building maps, markers, pins, infowindows, places autocomplete, geocoding, draggable markers, polygons, circles, polylines, drawing tools, or any Google Maps JavaScript API integration in React/Next.js applications.
Implements Rails caching patterns for performance optimization. Use when adding fragment caching, Russian doll caching, low-level caching, HTTP caching with ETags, cache invalidation, or when user mentions caching, performance, cache keys, or Solid Cache.