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

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.

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.

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.

Design custom agents from scratch using Claude Agent SDK patterns. Use when building domain-specific agents, designing agents with full SDK control, or creating specialized agents with custom tools and prompts.

Define and use custom HTML elements. Use when creating new components, defining custom tags, or using project-specific elements beyond standard HTML5.

Jobs-to-be-Done (JTBD) customer persona development with priority matrix, buying journey mapping, and decision criteria analysis. Creates actionable buyer personas for product and marketing decisions.

Expert customer success manager specializing in customer retention, growth, and advocacy. Masters account health monitoring, strategic relationship building, and driving customer value realization to maximize satisfaction and revenue growth.

Ingest and organize raw career data from Obsidian notes, CSV files, zip archives, and markdown documents into the Universal CV portfolio system. Use when processing career history, work experience, testimonials, case studies, or resume data from multiple sources. Outputs structured YAML/Markdown validated against Zod schemas.

Expert CV/resume writer with deep ATS optimization, job description analysis using chain-of-thought reasoning, industry-specific formatting (tech, business, creative, academic, executive), and strategic career positioning. Use when users need help with creating or updating CVs/resumes, analyzing job descriptions to identify keywords and requirements, optimizing existing CVs for ATS systems, tailoring CVs for specific jobs or industries, improving CV sections or bullet points, translating experience into achievement-driven narratives, addressing career gaps or transitions, or selecting appropriate CV formats for different fields and career levels.

Healthcare SEO strategy for Brazilian medical and wellness professionals. Includes specialized keyword research (dermatology, psychology, nutrition), professional content templates, local SEO optimization, and regulatory-compliant content structures. Use when optimizing healthcare websites, creating medical practice content, implementing local SEO for health professionals, or building patient acquisition funnels.

Creative writing skill for drafting and editing narrative fiction prose. Use when writing new scenes, chapters, or dialogue, or when editing existing prose. Discovers and follows project-specific style guides, character voice conventions, and formatting preferences.

Creative writing skill for creating style skills that teach Claude to write in specific styles. Use when you want to create style guides that the cw-prose-writing skill can follow. Creates either simple markdown files or full .skill packages. Audience is AI (Claude), format is directive and example-based.

Use when advanced Cypress features including custom commands, plugins, and network stubbing.

Use when cypress CI/CD integration including parallelization, test recording, and media capture.

Use when cypress fundamentals including commands, assertions, fixtures, and E2E testing patterns.

Inspect code and propose root cause hypotheses. Creates ./.gtd/debug/current/HYPOTHESES.md

Verify hypotheses with debug logging. Updates ./.gtd/debug/current/ROOT_CAUSE.md

Expert guidance for Dagster data orchestration including assets, resources, schedules, sensors, partitions, testing, and ETL patterns. Use when building or extending Dagster projects, writing assets, configuring automation, or integrating with dbt/dlt/Sling.

Compose daily blog posts in a multi-post single-file format from multiple data sources including Mastodon and Linkding. Use this skill when the user requests to create, update, or revise daily blog posts throughout the day.

Use when symfony daily workflow

Master dark mode UI design with atmospheric theming, WCAG accessibility, and cross-platform best practices. Specializes in weather/sky/ocean-inspired color systems that adapt to time of day and environmental conditions.

dart-flutter-mcp

GPU-accelerated frame extraction for Movie_F dashcam videos. This skill should be used when the user needs to extract frames from Movie_F category dashcam videos placed in the Desktop CARDV folder. Extracts 3 frames per video (BEGIN, MIDDLE, END) using NVIDIA CUDA acceleration with automatic gap analysis, parallel processing, and strict error handling. This is specifically designed for Movie_F category only.

>

Dynamic Application Security Testing execution and management. Configure and execute OWASP ZAP and Nuclei scans, run authenticated scanning, manage scan policies and scope, correlate findings with SAST results, and generate comprehensive vulnerability reports.

>

Database access layer guidelines for Quantum Skincare's Prisma-based data-access library. Covers Prisma schema design, DAO patterns, UUID primary keys, PostgreSQL role-based access control (RBAC), migration workflows, type-safe queries, transaction handling, soft deletes, and testing strategies. Use when working with Prisma schema, DAOs, database migrations, or data access patterns in libs/data-access.

Comprehensive data science, machine learning, and AI guide covering Python, deep learning, NLP, LLMs, prompt engineering, and MLOps. Use when building AI models, data pipelines, or machine learning systems.

데이터 분석 전문가. pandas, numpy, 시각화, 통계 분석 지원.

Expert in business intelligence, SQL, data visualization, and translating data into actionable business insights.

Analytics engineering for reliable metrics and BI readiness. Build transformation layers, dimensional models, semantic metrics, data quality tests, and documentation. Use when you need dbt or SQL transformation strategy, metrics definition, or analytics data modeling.

Advanced data analysis, pattern detection, and insight generation from structured and unstructured datasets

Create, validate, test, and manage data contracts using the Open Data Contract Specification (ODCS) and the datacontract CLI. Use when working with data contracts, ODCS specifications, data quality rules, or when the user mentions datacontract CLI or data contract workflows.

Use when user needs scalable data pipeline development, ETL/ELT implementation, or data infrastructure design.

>

Build new data ingestion providers following the FF Analytics registry pattern. This skill should be used when adding new data sources (APIs, files, databases) to the data pipeline. Guides through creating provider packages, registry mappings, loader functions, storage integration, primary key tests, and sampling tools following established patterns.

Provides architectural guidance for data lake design including partitioning strategies, storage layout, schema design, and lakehouse patterns. Activates when users discuss data lake architecture, partitioning, or large-scale data organization.

Data mapping patterns for transforming API responses to internal types

Expert data engineer for ETL/ELT pipelines, streaming, data warehousing. Activate on: data pipeline, ETL, ELT, data warehouse, Spark, Kafka, Airflow, dbt, data modeling, star schema, streaming data, batch processing, data quality. NOT for: API design (use api-architect), ML training (use ML skills), dashboards (use design skills).

Comprehensive guide to data quality validation, testing frameworks, anomaly detection, and data observability for production data pipelines