Angular framework expert including components, services, RxJS, templates, and testing

Angular frontend development patterns for [PROJECT_NAME]

Modernizes Angular code such as components and directives to follow best practices using both automatic CLI migrations and Bitwarden-specific patterns. YOU must use this skill when someone requests modernizing Angular code. DO NOT invoke for general Angular discussions unrelated to modernization.

Write unit and integration tests for Angular v21+ applications using Vitest or Jasmine with TestBed, component harnesses, and modern testing patterns. Use for testing components with signals, OnPush change detection, services with inject(), and HTTP interactions. Triggers on test creation, testing signal-based components, mocking dependencies, or setting up test infrastructure.

Use Angular CLI and development tools effectively in Angular v20+ projects. Use for project setup, code generation, building, testing, and configuration. Triggers on creating new projects, generating components/services/modules, configuring builds, running tests, or optimizing production builds.

User interface animations and transitions. When Claude needs to create performant, tasteful animations.

การสร้าง Animation ที่มีประสิทธิภาพและสวยงามเป็นสิ่งสำคัญในการสร้างประสบการณ์ผู้ใช้ (User Experience) ที่น่าประทับใจและแตกต่าง ในยุค Digital Transformation ที่ผู้ใช้คาดหวังการโต้ตอบที่ลื่นไหลและตอบสนอ

Create smooth animations and micro-interactions with Framer Motion and CSS. Covers enter/exit animations, gestures, scroll animations, loading states, and performance optimization. Use for polished UIs, interactive elements, and engaging user experiences.

Search and download ebooks from Anna's Archive, which indexes millions of books across formats (PDF, EPUB, MOBI, etc.).

Workflow for adding type annotations to Plain packages. Use this when adding or improving type coverage.

This skill guides writing Ansible playbooks for server configuration. Use when hardening servers, installing packages, or automating post-provisioning tasks that cloud-init cannot handle.

Generate and manage cross-platform Ansible playbooks for development environment setup across macOS, Linux, and Termux. Use when working with development environment automation, package installation configuration, or Ansible playbook generation.

ALWAYS use this skill immediately after running 'ansible-galaxy init' to create a new Ansible role. Also use when the user asks to fix ansible-lint errors or when ansible-lint output shows fixable issues like yaml[comments], schema[meta], meta-incorrect, name[play], or role-name[path] violations.

Use when managing hosts and groups in Ansible inventory for organizing infrastructure and applying configurations across environments.

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Ansible automation workflow guidelines. Activate when working with Ansible playbooks, ansible-playbook, inventory files (.yml, .ini), or Ansible-specific patterns.

Provides comprehensive answers about Ant Design components, documentation, and semantic descriptions using local knowledge base files. Use when asked about Ant Design, React UI components, design system, component semantics, or specific component usage.

Anthony Fu's opinionated tooling and conventions for JavaScript/TypeScript projects. Use when setting up new projects, configuring ESLint/Prettier alternatives, monorepos, library publishing, or when the user mentions Anthony Fu's preferences.

Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.

Master Anthropic's prompt engineering techniques to generate new prompts or improve existing ones using best practices for Claude AI models.

Transform AI-assisted drafts into authentic, human-sounding content. This skill provides patterns to detect and eliminate AI tells, frameworks for natural writing, and techniques for creating prose that reads as genuinely human. Use when reviewing any AI-generated content or when writing content that must not appear AI-assisted.

Validate claims through tool execution, avoid superlatives and unsubstantiated metrics. Use when reviewing codebases, analyzing systems, reporting test results, or making any factual claims about code or capabilities.

Common testing mistakes to avoid for reliable, maintainable tests

Use when need to bypass Cloudflare protection, scrape websites with anti-bot measures, render JavaScript pages, or simulate real browser behavior for web scraping

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Specialized skill for building production-ready serverless applications on AWS. Covers Lambda functions, API Gateway, DynamoDB, SQS/SNS event-driven patterns, SAM/CDK deployment, and cold start optimization.

AI operational modes (brainstorm, implement, debug, review, teach, ship, orchestrate). Use to adapt behavior based on task type.

**BlockRun works with Claude Code and Google Antigravity.**

Browser automation powers web testing, scraping, and AI agent interactions. The difference between a flaky script and a reliable system comes down to understanding selectors, waiting strategies, and anti-detection patterns. This skill covers Playwright (recommended) and Puppeteer, with patterns for testing, scraping, and agentic browser control. Key insight: Playwright won the framework war. Unless you need Puppeteer's stealth ecosystem or are Chrome-only, Playwright is the better choice in 202

BullMQ expert for Redis-backed job queues, background processing, and reliable async execution in Node.js/TypeScript applications. Use when: bullmq, bull queue, redis queue, background job, job queue.

Modern JavaScript/TypeScript development with Bun runtime. Covers package management, bundling, testing, and migration from Node.js. Use when working with Bun, optimizing JS/TS development speed, or migrating from Node.js to Bun.

Pragmatic coding standards - concise, direct, no over-engineering, no unnecessary comments

Elite code review expert specializing in modern AI-powered code

Build scalable data pipelines, modern data warehouses, and

Intelligently organizes files and folders by understanding context, finding duplicates, and suggesting better organizational structures. Use when user wants to clean up directories, organize downloads, remove duplicates, or restructure projects.

Game development orchestrator. Routes to platform-specific skills based on project needs.

Master modern JavaScript with ES6+, async patterns, and Node.js

Master Julia 1.10+ with modern features, performance optimization,

Guide for continuous improvement, error proofing, and standardization. Use this skill when the user wants to improve code quality, refactor, or discuss process improvements.

Expert malware analyst specializing in defensive malware research,

Mobile-first design and engineering doctrine for iOS and Android apps. Covers touch interaction, performance, platform conventions, offline behavior, and mobile-specific decision-making. Teaches principles and constraints, not fixed layouts. Use for React Native, Flutter, or native mobile apps.

Nest.js framework expert specializing in module architecture, dependency injection, middleware, guards, interceptors, testing with Jest/Supertest, TypeORM/Mongoose integration, and Passport.js authentication. Use PROACTIVELY for any Nest.js application issues including architecture decisions, testing strategies, performance optimization, or debugging complex dependency injection problems. If a specialized expert is a better fit, I will recommend switching and stop.

Multi-agent orchestration patterns. Use when multiple independent tasks can run with different domain expertise or when comprehensive analysis requires multiple perspectives.

PowerShell Windows patterns. Critical pitfalls, operator syntax, error handling.

Caching strategies for LLM prompts including Anthropic prompt caching, response caching, and CAG (Cache Augmented Generation) Use when: prompt caching, cache prompt, response cache, cag, cache augmented.

Expert prompt engineer specializing in advanced prompting

Curated collection of high-quality prompts for various use cases. Includes role-based prompts, task-specific templates, and prompt refinement techniques. Use when user needs prompt templates, role-play prompts, or ready-to-use prompt examples for coding, writing, analysis, or creative tasks.