Expert-level JavaScript development with modern ES2024+ features, Node.js, npm ecosystem, and best practices. Use when the user mentions ECMAScript, ES2024, Node.js, npm, or web, or when the task involves Modern JavaScript, Node.js Development, Modern Tooling, or Functional Programming.
Expert-level Kotlin development, Android, coroutines, and multiplatform. Use when the user mentions Android, coroutines, multiplatform, or JVM, or when the task involves Kotlin Fundamentals, Android Development, Kotlin Multiplatform, or Kotlin Style.
Expert-level Node.js backend development with Express, async patterns, streams, performance optimization, and production best practices. Use when the user mentions JavaScript, backend, Express, or async, or when the task involves Modern Node.js Features, Express Framework, File System Operations, or HTTP Requests.
Expert in Persona Control Language (PCL) - language design, compiler architecture, runtime systems, and ecosystem development. Use when the user mentions persona control language, compiler design, language design, DSL, runtime systems, or lexer, or when the task involves Language Design & Specification, Compiler…
Expert-level PHP development with PHP 8+, Laravel, Composer, and modern best practices. Use when the user mentions Laravel, Composer, Symfony, PHPUnit, or PSR standards, or when the task involves PHP 8+ Features, Object-Oriented PHP, Modern PHP, or Constructor Property Promotion.
Expert-level R statistical computing, data analysis, and visualization. Use when the user mentions statistics, data analysis, ggplot2, or the tidyverse, or when the task involves R Fundamentals, Statistical Analysis, Data Visualization, or Code Style.
Expert-level Ruby development with Rails, modern features, testing, and best practices. Use when the user mentions Ruby on Rails, RSpec, gem, Sinatra, or metaprogramming, or when the task involves Ruby 3+ Features, Object-Oriented, Functional Features, or Pattern Matching.
Expert-level Rust development with ownership, lifetimes, async, error handling, and production-grade patterns. Use when the user mentions systems programming, memory safety, concurrency, or Cargo, or when the task involves Ownership and Borrowing, Type System, Async Programming, or Web Development.
Expert-level Scala, functional programming, Akka, and reactive systems. Use when the user mentions functional programming, Akka, Cats, or ZIO, or when the task involves Scala Fundamentals, Reactive Systems, or Scala Style.
Expert-level Swift development for iOS, macOS with SwiftUI, Combine, and modern Swift 5.9+. Use when the user mentions iOS, macOS, SwiftUI, Combine, async await, or Apple platforms, or when the task involves Modern Swift Features, Basics and Optionals, Functions and Closures, or Structs and Classes.
Expert-level TypeScript development with modern tooling, advanced types, and best practices. Use this skill for TypeScript projects requiring type-safe code, modern bundling, and comprehensive testing.
Expert-level accounting, tax, financial reporting, and accounting systems. Use when the user mentions accounting, tax, financial reporting, GAAP, or IFRS, or when the task involves Accounting Principles, Financial Statements, Tax & Compliance, or Accounting Systems.
Expert-level banking systems, core banking, regulations, and banking technology. Use when the user mentions finance, core banking, regulations, or payments, or when the task involves Banking Systems or Key Technologies.
Expert-level cloud financial operations, cost optimization, and cloud economics. Use when the user mentions cloud cost, optimization, cloud economics, or AWS cost, or when the task involves FinOps Fundamentals, Cost Management, FinOps Practices, or Cost Visibility.
Expert-level legal systems, contracts, compliance, and legal technology. Use when the user mentions legal, contracts, compliance, law, or legal tech, or when the task involves Legal Systems, Legal Technology, Compliance Frameworks, or Contract Management.
Expert-level ISO standards, quality management, compliance, and certification. Use when the user mentions ISO standards, quality management, compliance, or certification, or when the task involves Compliance & Certification, Auditing, or Continuous Improvement.
Expert-level quality assurance, testing strategies, automation, and QA processes. Use when the user mentions testing, test automation, quality assurance, or Selenium, or when the task involves Testing Types, QA Processes, Test Strategy, or Defect Management.
Expert-level biology, biotechnology, genetics, bioinformatics, and computational biology. Use when the user mentions biology, biotechnology, genetics, bioinformatics, or genomics, or when the task involves Molecular Biology, Genomics & Bioinformatics, Systems Biology, or Data Analysis.
Expert-level quantum computing, Qiskit, quantum algorithms, and quantum information. Use when the user mentions quantum computing, Qiskit, quantum algorithms, or quantum information, or when the task involves Quantum Mechanics Basics, Quantum Hardware, Circuit Design, or Algorithm Implementation.
Expert-level research methodology, academic writing, statistical analysis, and scientific investigation. Use when the user mentions methodology, statistics, academic writing, or experimental design, or when the task involves Research Design, Statistical Analysis, or Data Analysis.
Expert-level security auditing, compliance, code review, and vulnerability assessment. Use when the user mentions compliance, security review, code review, vulnerability assessment, SOC 2, or GDPR, or when the task involves Audit Types, Audit Frameworks, Audit Process, or Authentication Review.
Expert-level CodeQL for static analysis, vulnerability detection, and security code scanning. Use when the user mentions static analysis, SAST, vulnerability detection, or github security, or when the task involves writing CodeQL queries, building a CodeQL database, taint tracking, or scanning for injection and…
Expert-level application security, OWASP Top 10, penetration testing, and security best practices. Use when the user mentions OWASP, pentesting, appsec, vulnerability, encryption, or authentication, or when the task involves Security Principles, OWASP Top 10, Security Domains, or Broken Access Control.
Expert-level code review focusing on quality, security, performance, and maintainability. Use this skill for conducting thorough code reviews, identifying issues, and providing constructive feedback.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: