Pattern for aggregating insights across multiple tasks to enable data-driven evolution.

Expert on MC6845 CRTC for ES-1841 video timing. Provides guidance on video timing, cursor control, display addressing, V-Blank detection, and CGA register programming.

Use when implementing concurrent programming in Crystal using fibers, channels, and parallel execution patterns for high-performance, non-blocking applications.

Use when implementing compile-time metaprogramming in Crystal using macros for code generation, DSLs, compile-time computation, and abstract syntax tree manipulation.

Use when preparing customer success materials (QBR briefs) - synthesizes customer-specific meeting history, extracts signals, quotes, and pain points for strategic discussions

Decompile .NET assemblies to inspect types, understand implementations, debug third-party libraries, and view IL code. Use when debugging NuGet dependency behavior, understanding compiled code, investigating runtime issues, or exploring unfamiliar assemblies.

.NET 8 and C# 12 specialist with expertise in ASP.NET Core, EF Core, and modern enterprise development. Use when building C# applications, working with .NET, implementing ASP.NET Core APIs, or using Entity Framework.

Use when building C# applications with .NET 8+, ASP.NET Core APIs, or Blazor web apps. Invoke for Entity Framework Core, minimal APIs, async patterns, CQRS with MediatR.

C# and Unity development standards for Mark's projects.

C# and .NET project workflow guidelines. Activate when working with C# files (.cs), .csproj, .NET projects, or C#-specific tooling.

name: Cross-Site Request Forgery (CSRF) Testing

Comprehensive workflow for CSS development using Tailwind + semantic component patterns. This skill automatically routes you to the appropriate specialized workflow based on context.

Analyze CSS coverage, identify unused rules, and detect stylesheet conflicts. Use after visual QA to optimize stylesheets before publication.

CSS fundamentals - selectors, specificity, box model, positioning, units

Deep CSS analysis tool for understanding specificity, cascade order, inheritance chains, and computed styles. Visualizes CSS complexity and suggests simplifications. Use when debugging specificity issues or understanding CSS behavior.

Precision CSS/styling modifications for pixel-perfect adjustments with Tailwind, CSS Modules, and plain CSS support

Guide for developing Storybook stories for CSS components in `@madogiwa-ui/css`.

CSS styling standards and best practices for responsive, accessible, and maintainable web interfaces with special considerations for multilingual content and Chuukese text display. Use when creating or modifying stylesheets and CSS components.

Write modern, performant, maintainable CSS following current best practices with deep knowledge of browser compatibility and CSS specifications.

Parse URLs in CSV files and extract query parameters as new columns. Use when working with CSV files containing URLs that need parameter extraction and analysis.

Reverse engineering techniques for CTF challenges. Use when analyzing binaries, game clients, obfuscated code, or esoteric languages.

Solve CTF (Capture The Flag) challenges by analyzing challenge descriptions, source code, and interacting with challenge environments to capture flags.

Run CTS test suites and investigate failures

Scan and aggregate task checkboxes from Speckit (.specify/) and context-planning (specs/) formats into a unified backlog.yaml, with automatic project context analysis and auto-update capabilities.

cube-iml

ALWAYS USE when building semantic layer, working with metrics/dimensions, or integrating dbt with Cube consumption APIs. Use IMMEDIATELY when working with Cube REST API, GraphQL queries, or Postgres wire protocol (psycopg2 connections). Provides research steps for data modeling, dbt integration, MEASURE() syntax, and API validation.

Cucumber/Gherkin BDD testing for behavior-driven development workflows

Cucumber best practices, patterns, and anti-patterns

Comprehensive BDD testing with Cucumber and Gherkin syntax. Use when writing feature files (.feature), step definitions, hooks, or implementing Behaviour-Driven Development. Covers Gherkin keywords (Feature, Scenario, Given/When/Then, Background, Scenario Outline, Rule), step definition patterns for Ruby/JavaScript/Java/Python, hooks (Before/After/BeforeAll/AfterAll), tags, data tables, doc strings, and best practices. Triggers on cucumber, gherkin, BDD, feature files, step definitions, acceptance testing, executable specifications.

Writing effective step definitions and organizing test code

CUDA kernel development, debugging, and performance optimization for Claude Code. Use when writing, debugging, or optimizing CUDA code, GPU kernels, or parallel algorithms. Covers non-interactive profiling with nsys/ncu, debugging with cuda-gdb/compute-sanitizer, binary inspection with cuobjdump, and performance analysis workflows. Triggers on CUDA, GPU programming, kernel optimization, nsys, ncu, cuda-gdb, compute-sanitizer, PTX, GPU profiling, parallel performance.

Modern CSS standards covering essentials, responsive design, quality practices, and tooling for CUI projects

Cypress E2E testing standards including framework adaptations, test organization, and best practices

Tool usage patterns for non-prompting file operations - use Glob, Read, Grep instead of Bash commands to avoid user interruptions in all agents and commands

CUI HTTP client standards with HttpHandler, HttpResult pattern, and async-first adapters

CDI and Quarkus development standards for CUI projects, including CDI aspects, container configuration, testing, and native optimization

CUI Java unit testing standards and patterns with JUnit 5, generators, and value object testing

Standards for identifying, prioritizing, and verifying JavaScript code maintenance and refactoring work

JavaScript project structure, package.json configuration, dependency management, and Maven integration standards for consistent project setup and builds

Jest unit testing standards covering configuration, test structure, testing patterns, and coverage requirements

CUI logging standards with CuiLogger, LogRecord patterns, and DSL-style LogMessages classes

Maintain and synchronize requirements and specifications with comprehensive validation

CUI MockWebServer standards for HTTP client testing with JUnit 5 integration

CUI test library standards for test data generation, value object contracts, and JUL log testing

Knowledge about AWS Cost and Usage Report data structure, column formats, and analysis patterns

Generate ready-to-run cURL commands for quick API testing from the command line.

HTTP client examples including download, POST, auth, JSON, headers, proxy, and FTP operations.

Convert currencies with real-time exchange rates, historical data, and multi-currency calculations.

currency-skill

Update CURRENT-FOCUS.md by combining Linear cycle data, git history, test results, and chat context analysis. Prioritize work and identify gaps.