Expert at analyzing the quality of Claude's responses and outputs. Use when evaluating response completeness, accuracy, clarity, or effectiveness. Auto-invokes during self-reflection or when quality assessment is needed.

Conducts in-depth analysis of a specific source or topic, producing comprehensive summaries for research synthesis. Use when you need detailed analysis and documentation of individual sources as part of a larger research effort.

Creates and analyzes tests using Vitest and MSW patterns. Generates test builders, mocks repositories, and configures integration tests. Triggers on: write tests, test coverage, Vitest, MSW mock, vi.fn, vi.mock, unit test, integration test, test builder, mock setup, test failure.

Use to audit test quality with Google Fellow SRE scrutiny - identifies tautological tests, coverage gaming, weak assertions, missing corner cases. Creates bd epic with tasks for improvements, then runs SRE task refinement on each.

Automatically activated when user asks about test quality, code coverage, test reliability, test maintainability, or wants to analyze their test suite. Provides framework-agnostic test quality analysis and improvement recommendations. Does NOT provide framework-specific patterns - use jest-testing or playwright-testing for those.

Analyze unfamiliar codebases systematically to produce subsystem catalog entries - emphasizes strict contract compliance and confidence marking

Analyze user/customer feedback and produce a User Feedback Analysis Pack (source inventory, normalized feedback table, taxonomy/codebook, themes + evidence, recommendations, and feedback loop). Use for voice of customer, feature request analysis, support ticket synthesis, churn reason synthesis, and survey open-ends.

Use when starting work after context compaction, switching features, or gathering context without re-reading entire files - searches anchor tags to find relevant architecture/pattern documentation

Set up a production-ready Anchor workspace: program/client layout, env config, testing, and build hygiene. Use when starting new Anchor projects or re-baselining repos.

Expert Anchor smart contract development for Solana (January 2026). Use when (1) Writing or auditing Solana programs, (2) Implementing security patterns, (3) Defining account structures and constraints, (4) Building CPI interactions, (5) Testing with Mollusk/LiteSVM, (6) Deploying programs, or any Anchor/Solana program development questions.

Automate ADB commands for device management, app installation, and log analysis. Use when listing devices, installing APKs, viewing logs, debugging app issues, or capturing screenshots.

Critical Android code review for Payoo Android app. Focuses on high-impact issues - naming conventions, memory leaks, UIState patterns, business logic placement, lifecycle management, and MVI/MVVM pattern violations. Use when reviewing Kotlin files, pull requests, or checking ViewModels, Activities, Fragments, UseCases, and Repositories.

Debug Android Flutter apps including runtime errors, build issues, device connection problems, and performance issues. Use when troubleshooting Android-specific problems, crashes, or deployment issues.

Standards, architecture patterns, and best practices for Android app development with Kotlin, Jetpack Compose, and Android Jetpack libraries using clean architecture and MVVM. Use for any Android coding, review, refactor, or design task, especially when acting as an AI coding agent that must follow established project conventions.

Production-ready scripts for Android app testing, building, and automation. Provides semantic UI navigation, build automation, accessibility testing, and emulator lifecycle management. Optimized for AI agents with minimal token output. Android equivalent of ios-simulator-skill.

Automate Gradle tasks for Android projects - build, test, coverage, clean. Use when building APKs, running unit tests, generating coverage reports, or checking dependencies.

Generate production and local development keystores for Android release signing

Expert Android developer for the Motion Detector project. Use this skill when working on Camera2 API integration, motion detection algorithms, Android networking (LAN sockets + Supabase Realtime), debugging crashes, or any Android/Kotlin development tasks specific to this sprint timing application.

Create and run validation script to test Play Store API connection

Complete workflow generation - orchestrates internal, beta, and production deployment workflows

Scan Android project and generate Play Console setup checklist (analysis only, no file modifications)

Complete Play Store setup - orchestrates scanning, privacy policy, version management, Fastlane, and workflows (Internal track only)

Navigate and analyze Android project structure, modules, and dependencies. Use when exploring project structure, finding related files, analyzing dependencies, or locating code patterns.

Create Play Store release notes directory structure with locale templates (Fastlane metadata)

Create androidTest directory structure with base classes and utilities

Apply Android/Jetpack Compose design principles following Material Design 3 when building any Android UI component. Only execute this when the current project is an Android project and involves UI-related work. Use this skill for Compose layouts, Material components, or Android app development. Ensures Material You compliance with Dynamic Color, expressive theming, 4dp grid spacing, Roboto typography with Type Scale, and native Android patterns. Prevents common anti-patterns like hardcoded colors, Dark Mode neglect, and touch target violations.

Generate GitHub Actions workflow for beta testing track deployment

Generate GitHub Actions workflows for production deployment with staged rollout

Common patterns for testing, documenting, and developing angreal tasks.

Use when building modular Angular applications requiring dependency injection with providers, injectors, and services.

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

Develop Angular v21 components, services, and directives with signals. Use when implementing standalone components, OnPush change detection, inject() function, and input()/output() functions.

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

Expert guidance for creating premium, performant animations in React using Motion (motion.dev). Covers all animation types, best practices, accessibility, and performance optimization.

Expert guidelines for building performant animations with Anime.js animation library

Create flexible annotation workflows for AI applications. Contains common tools to explore raw ai agent logs/transcripts, extract out relevant evaluation data, and llm-as-a-judge creation.

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.

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

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

Main orchestration workflow for systematic literature research - search, evaluate, traverse, synthesize

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.

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.

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.

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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Master API documentation with OpenAPI 3.1, AI-powered tools, and

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.