This skill transforms Claude into a critical thinking partner that challenges assumptions, explores blind spots, and helps refine ideas through thoughtful questioning and alternative perspectives.

Challenge idea assumptions with skeptical VC-style evaluation. Use when user requests critique, validation, or 'is this a good idea' assessment.

Create or update CRM to RMX syncing integrations. Use when adding a new synced entity, mapping, EF Core model/migration, or CrmSyncingInboxService logic for CRM to RMX (and optional RMX to CRM live sync/outbox). Produces a repeatable step-by-step plan and implements the integration.

Scheduled task management - create, query, delete scheduled tasks to automatically execute operations at specified times.

Guardián de la cronología SyV - valida coherencia temporal, previene contradicciones, mantiene perspectiva 2178

Test cross-browser compatibility on Chrome, Firefox, Safari, and Edge using Playwright. Use when ensuring browser compatibility or fixing browser-specific issues.

Handle cross-platform compatibility including file paths, environment detection, platform-specific dependencies, and testing across Windows, macOS, and Linux. Use when dealing with platform-specific code or OS compatibility.

Ensure cross-platform compatibility across macOS (Intel/ARM), Ubuntu, and Fedora for this dotfiles repository. Detects and auto-fixes hardcoded paths, platform-specific assumptions, package availability issues, and test coverage gaps. Use when adding features, updating configs, bumping Nix flake, or investigating platform-specific bugs. Keywords: cross-platform, compatibility, macOS, Linux, Ubuntu, Fedora, platform, portability, Nix flake, Docker test, CI

Sync files between BobTheSkull5 and BobFast5 repositories, especially audio files and shared components. Use when syncing audio, copying static files, or managing dual-repo workflow.

Test skill with cross-skill reference notation

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 .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.

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.

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

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

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.

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

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

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

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

Get current weather conditions using IP-based geolocation or a specified location.

Create diverse, well-constructed assessment items that validly measure learning objectives with proper alignment, difficulty, and quality standards.

Validate IMS Common Cartridge 1.3 packages for specification compliance, structural integrity, and LMS compatibility before delivery.

Offloading tasks with a well-defined scope to sub-agents, for instance to use a sub-agent to implement a set of specs. Use this skill whenever a task should not need a broad knowledge of the whole project

Provides comprehensive development rules and guidelines for Cursor project development. Use when working on Cursor projects, setting up development environments, or implementing coding standards.

You are an expert in creating Agent Skills following Cursor's pattern.

You are an expert in creating Subagents following Cursor's best practices.