You are a framework and library documentation expert specializing in finding and synthesizing information about development tools and libraries. Your goal is to provide accurate, up-to-date informatio

Startup protocol executed once at session start. Detects system instruction impulses, caches framework observations from memory graph, establishes temporal awareness, and activates specialized profiles. Provides initial session initialization protocol and session response protocol applied before each response. Execute procedures in sequence without displaying process details to user.

Generate API documentation, user guides, and technical documentation for Frappe apps. Use when documenting APIs, creating user guides, or generating OpenAPI specs.

Generate fixture files for Frappe test data and master data. Use when creating test fixtures, setup data, or master data for new sites.

Generate integration tests for multi-DocType workflows in Frappe. Use when testing end-to-end workflows, state transitions, or complex business processes.

Generate comprehensive unit tests for Frappe DocTypes, controllers, and API methods. Use when creating test files, writing test cases, or setting up test infrastructure for Frappe/ERPNext applications.

AI-powered automation agent for FreeCAD CAD operations including natural

Expert in Static Site Generation (SSG) using Gravito Freeze. Trigger this when building high-performance marketing sites, blogs, or documentation.

FreqAI self-adaptive ML retraining framework. Auto-retrains models on fresh data, prevents overfitting, adapts to regime changes. Built on FreqTrade.

'Test Orient from a clean clone to validate the full development setup and test suite'

DOM Testing Library patterns for behavior-driven UI testing. Framework-agnostic patterns for testing user interfaces. Use when testing any front-end application.

Distinctive frontend design principles for avoiding generic AI defaults, implementing thoughtful typography/color/animations, and creating polished user experiences based on Claude Code design research

Analyze React/Next.js components to extract typography, colors, layout, fonts, spacing systems, and design tokens. Identifies accessibility issues, responsive breakpoints, and component hierarchies.

Design and build reusable UI components following Astro's server-first architecture with islands, proper component composition, TypeScript props, and strategic client-side hydration. Use this skill when creating or modifying Astro components, React/Vue/Svelte islands, layout components, or any reusable UI elements. When working on .astro component files, framework component files (.jsx, .tsx, .vue, .svelte), layout components, page components, component prop interfaces, slot implementations, client directive usage (client:load, client:idle, client:visible), scoped component styles, or component documentation and examples.

Especialista em Frontend Mobile-First, UX Black & Orange, Sistema de Cache Offline (IndexedDB), Navegação SPA v3.0 e Performance. Use para criar/ajustar telas, componentes, otimizar CSS/JS, implementar patterns de cache ou debugging de frontend issues.

Autonomously debug frontend issues through empirical browser observation using Chrome DevTools MCP. This skill should be used when debugging UI/UX issues, visual bugs, interaction failures, console errors, or network problems in web applications. Provides systematic 6-phase debugging workflow with GitHub integration, automated verification, and knowledge retention.

Fix generic frontend designs by applying aesthetic upgrades across the 5 design dimensions

Create distinctive, production-grade React/TypeScript frontends with exceptional design quality

Build React components, implement responsive layouts, and handle

Multi-framework frontend development. Frameworks: React 18+ (Suspense, hooks, TanStack), Vue 3 (Composition API, Pinia, Nuxt), Svelte 5 (Runes, SvelteKit), Angular (Signals, standalone). Common: TypeScript, state management, routing, data fetching, performance optimization, component patterns. Actions: create, build, implement, style, optimize, refactor components/pages/features. Keywords: React, Vue, Svelte, Angular, component, TypeScript, hooks, Composition API, runes, signals, useSuspenseQuery, Pinia, stores, state management, routing, lazy loading, Suspense, performance, bundle size, code splitting, reactivity, props, events. Use when: creating components in any framework, building pages, fetching data, implementing routing, state management, optimizing performance, organizing frontend code, choosing between frameworks.

Ultimate 25+ years expert-level frontend skill covering Next.js, React, TypeScript, Tailwind CSS, styled-components, Redux, Zustand, Webpack, Vite, Parcel, Jest/Vitest testing, performance optimization, and ALL security aspects comprehensively (XSS, CSRF, injection, data privacy, CSP, dependency security, etc.). Covers all use cases (SPAs, PWAs, e-commerce, dashboards, real-time apps, mobile-responsive). Advanced features include A11y, Core Web Vitals, SEO, i18n, error handling, monitoring, component architecture, design patterns. Maximum security hardening, genius-level optimization, modernized development standards. Use when building ANY frontend application requiring enterprise security, performance, and scalability.

Feature-Sliced Design architecture specialist

Create comprehensive, production-ready frontend implementation plans for any UI screen or feature. Use this skill when documenting how to build UI components, establishing design systems, planning component architecture, or creating technical specifications for frontend development. Works across frameworks (React, Vue, Angular, Svelte, etc.) and focuses on clear structure, reusable patterns, and maintainability.

This skill should be used when identifying and fixing frontend layout issues (clipping, spacing, overflow, RTL text problems) by analyzing DOM and CSS structure and proposing minimal, scoped CSS patches. Triggers on layout bugs, text clipping, overflow issues, spacing problems, and when vanilla Claude cannot pinpoint which CSS selector to modify from a screenshot alone.

Especialista en React 18, TypeScript, Tailwind CSS y conexión con API multi-tenant.

Coordinates frontend development tasks (React, TypeScript, UI/UX). Use when implementing user interfaces, components, state management, or visual features. Applies frontend-standard.md for quality gates.

Visual QA gate for frontend code. ALWAYS use before delivering any UI changes - navigate, screenshot, verify console is error-free. Use for: responsive testing across viewports, form/interaction testing, debugging hydration and render issues. Catches visual bugs before users see them.

Create safe, phased refactor plans for complex frontend code.

Build stunning component libraries with Storybook mastery. Expert in component documentation, visual testing, and design systems. Activate for UI libraries, component development, or design system creation.

Frontend TDD Agent. React/Next.js 기반 TDD 테스트 작성 및 구현을 담당합니다. 테스트 먼저 작성 후 구현하는 Red-Green-Refactor 사이클을 따릅니다.

Senior Frontend QA Engineer with 10+ years JavaScript/TypeScript testing experience. Use when writing unit tests for React components, creating integration tests with React Testing Library, testing custom hooks, mocking APIs, or following TDD for frontend.

Comprehensive frontend testing with Playwright, Cypress, Jest, and React Testing Library. Covers E2E testing, component testing, unit testing, visual regression, and accessibility testing. Use for quality assurance, CI/CD integration, and test automation.

Creates comprehensive frontend UI/UX designs including user interfaces, design systems, component libraries, responsive layouts, and accessibility implementations. Produces wireframes, mockups, design specifications, and implementation guidelines. Use when designing user interfaces, creating design systems, building component libraries, implementing responsive designs, ensuring accessibility compliance, or when users mention UI design, UX design, interface design, design systems, user experience, or frontend design patterns.

Verify and test Angular 18 frontend changes using Chrome DevTools MCP. Automatically check console errors, network requests, and visual rendering after implementing tasks or when fixing UI bugs. Use when creating components, debugging visual issues, validating API integration, or ensuring UI requirements are met. File types: .ts, .html, .css, .scss

Advanced frontend web development expert system that provides comprehensive modern web development services including architecture design, UI/UX implementation, performance optimization, engineering setup, and cross-platform development through expert collaboration and intelligent tool integration.

fsharp-feature

fsharp-tests

Autonomous Freedom to Operate analysis agent. Identifies blocking patents, assesses infringement risk, and recommends mitigation strategies for product commercialization.

Read files from remote storage backends (local, FTP, SFTP, S3, Azure). List directories, download files, inspect metadata. Use for reading data from cloud storage, FTP servers, or remote filesystems without making changes.

Analyzes and assists with Fujitsu mainframe systems including FACOM, PRIMERGY, BS2000/OSD, OSIV/MSP, OSIV/XSP, NetCOBOL, PowerCOBOL, and Fujitsu JCL. Extracts business logic from Fujitsu COBOL programs, analyzes Fujitsu JCL jobs, migrates Fujitsu mainframe applications to modern platforms (Java, cloud, containers), and creates migration strategies. Use when working with Fujitsu mainframe migration, FACOM systems, BS2000, OSIV platforms, NetCOBOL, PowerCOBOL, Fujitsu-specific COBOL extensions, Fujitsu JCL, or when users mention Fujitsu mainframe modernization, analyzing Fujitsu COBOL/JCL, SYMFOWARE database, or planning migration from Fujitsu legacy systems.

This skill should be used when debugging full-stack issues that span UI, backend, and database layers. It provides a systematic workflow to detect errors, analyze root causes, apply fixes iteratively, and verify solutions through automated server restarts and browser-based testing. Ideal for scenarios like failing schedulers, import errors, database issues, or API payload problems where issues originate in backend code but manifest in the UI.

Scaffold frontend, backend, DB, tests, and docs.

Complete autonomous workflow: Check Existing → Discover → Design → Qase → Automate → Run

World-class #1 expert full stack developer specializing in enterprise-grade JavaScript/Node.js, modern frontend architecture, scalable backend systems, and database optimization. Expert in microservices, CI/CD, cloud infrastructure, and performance tuning. Use when building scalable applications, architecting distributed systems, optimizing database performance, or implementing production-ready features.

Complete full-stack development with Next.js 13+, React, Firebase, Tailwind CSS, and payment integration (Stripe, JazzCash, EasyPaisa). Build production-ready e-commerce platforms, SaaS applications, and scalable web applications. Comprehensive coverage of frontend architecture, backend API routes, database design, authentication systems, payment processing, form handling, error management, and optimization. Generate complete project structures, pages, components, API routes, database schemas, security rules, and deployment configurations using TypeScript.

Full-stack development expertise covering backend, frontend, database, DevOps, and testing domains

fullstack-implementation

Security and performance - hardening, optimization, auditing

Industry-specific guide for implementing Fullstory in banking and financial services applications. Covers regulatory requirements (PCI DSS, GLBA, SOX), privacy controls for sensitive financial data, authentication flows, transaction monitoring, and fraud detection patterns. Includes detailed examples for retail banking, investment platforms, and payment applications.