DDD architecture knowledge base. Provides patterns, antipatterns, and PHP-specific guidelines for Domain-Driven Design audits.

Detects test antipatterns and code smells in PHP test suites. Identifies 15 smells (Logic in Test, Mock Overuse, Fragile Tests, Mystery Guest, etc.) with fix recommendations and refactoring patterns for testability.

Event-Driven Architecture knowledge base. Provides patterns, antipatterns, and PHP-specific guidelines for EDA audits including messaging, pub/sub, and saga patterns.

Event Sourcing knowledge base. Provides patterns, antipatterns, and PHP-specific guidelines for Event Sourcing architecture audits.

Hexagonal Architecture (Ports & Adapters) knowledge base. Provides patterns, antipatterns, and PHP-specific guidelines for Hexagonal Architecture audits.

Layered Architecture knowledge base. Provides patterns, antipatterns, and PHP-specific guidelines for traditional N-tier/Layered Architecture audits.

Outbox Pattern knowledge base. Provides patterns, antipatterns, and PHP-specific guidelines for transactional outbox, polling publisher, and reliable messaging audits.

PHP Standards Recommendations (PSR) overview knowledge base. Provides comprehensive reference for all accepted PSRs including PSR-1,3,4,6,7,11,12,13,14,15,16,17,18,20. Use for PSR selection decisions and compliance audits.

Saga Pattern knowledge base. Provides patterns, antipatterns, and PHP-specific guidelines for saga orchestration, choreography, and distributed transaction audits.

Stability Patterns knowledge base. Provides patterns, antipatterns, and PHP-specific guidelines for Circuit Breaker, Retry, Rate Limiter, Bulkhead, and resilience audits.

Testing knowledge base for PHP 8.5 projects. Provides testing pyramid, AAA pattern, naming conventions, isolation principles, DDD testing guidelines, and PHPUnit patterns.

Write clear, testable acceptance criteria in Given-When-Then format following INVEST principles and BDD best practices.

Use after implementing features - verifies each acceptance criterion with structured testing and posts verification reports to the GitHub issue

Guide for writing high-quality acceptance criteria and acceptance tests using industry-standard BDD (Behavior-Driven Development) and ATDD (Acceptance Test-Driven Development) practices. Use this skill when creating acceptance criteria for user stories, writing Gherkin scenarios, or implementing acceptance test specifications following Given-When-Then format.

acceptance-testing

Run a basic accessibility checklist for UI changes. Use when a junior developer needs quick a11y guidance.

Validate WCAG 2.1 Level AA compliance and accessibility best practices.

You are an accessibility expert specializing in WCAG compliance, inclusive design, and assistive technology compatibility. Conduct audits, identify barriers, and provide remediation guidance.

React Native accessibility patterns for iOS and Android. Use when implementing a11y features.

Build inclusive web experiences following WCAG guidelines. Covers semantic HTML, ARIA, keyboard navigation, color contrast, and testing strategies. Triggers on accessibility, a11y, WCAG, screen readers, or inclusive design requests.

Эксперт по a11y тестированию. Используй для axe-core, automated testing и accessibility audits.

Expert accessibility tester specializing in WCAG compliance, inclusive design, and universal access. Masters screen reader compatibility, keyboard navigation, and assistive technology integration with focus on creating barrier-free digital experiences.

Validate WCAG and keyboard navigation.

WCAG 2.2 compliance testing, screen reader validation, and inclusive design verification. Use when ensuring legal compliance (ADA, Section 508), testing for disabilities, or building accessible applications for 1 billion disabled users globally.

Build accessible web applications following WCAG 2.1/2.2 guidelines with proper semantic HTML, ARIA attributes, keyboard navigation, screen reader support, and inclusive design. Use when implementing ARIA labels and roles, ensuring keyboard navigation, supporting screen readers, providing text alternatives for images, managing focus, creating accessible forms, building inclusive UI components, testing with accessibility tools, meeting WCAG compliance levels, or designing for users with disabilities.

Build WCAG 2.1 AA compliant web applications for University of Sheffield. Covers semantic HTML, ARIA patterns, form accessibility, keyboard navigation, color contrast, alt text, captions, and automated testing. Use when creating websites, web apps, forms, interactive components, or auditing accessibility for WCAG compliance, screen readers, keyboard access, or inclusive design.

Create or update strategic account plan

Qualifies and tiers accounts based on signals, fit, and potential. Use this skill when building target lists, prioritizing accounts, identifying high-potential prospects, or defining ideal customer profile criteria.

Guide for creating ACF PRO blocks with field groups in Oh My Brand! FSE theme. Use this when registering ACF blocks, creating field groups, or working with ACF-specific render templates.

Rewarding players for completing specific goals through progress tracking, unlocking logic, rarity calculation, and achievement display for gamification and player engagement.

Atlassian CLI tool installation and authentication.

Use when configuring Docker environments for act, selecting runner images, managing container resources, or troubleshooting Docker-related issues with local GitHub Actions testing.

Use when testing GitHub Actions workflows locally with act. Covers act CLI usage, Docker configuration, debugging workflows, and troubleshooting common issues when running workflows on your local machine.

Use when creating or modifying GitHub Actions workflow files. Provides guidance on workflow syntax, triggers, jobs, steps, and expressions for creating valid GitHub Actions workflows that can be tested locally with act.

Test GitHub Actions locally using act. Use when debugging workflows locally, testing workflow changes before pushing, or troubleshooting action failures.

Creates user-specific one-click action templates that execute email operations when clicked in the chat interface. Use when user wants reusable actions for their specific workflows (send payment reminder to ACME Corp, forward bugs to engineering, archive old newsletters from specific sources).

This skill should be used when ensuring training focuses on performance outcomes and business impact. Use this skill to identify essential content, design performance-focused activities, create job aids, and eliminate unnecessary training.

This skill provides language and framework-specific guidance for implementing the action pattern across different technology stacks. It explains conventions for creating focused, reusable action class

Use proactively for authorization with ActionPolicy. Creates policies, scopes, and integrates with GraphQL/ActionCable. Preferred over Pundit for composable, cacheable authorization.

This skill should be used when the user needs to automate multi-step website tasks. Activates for browser automation, web scraping, UI testing, or building AI agents. Provides complete action manuals with step-by-step instructions and verified selectors.

GitHub Actions and CI/CD best practices for automated testing, building, and deployment.

Causal intervention via activation patching to identify important model components. Use when determining which layers, heads, or positions are causally responsible for model behavior.

Use when creating or refactoring Active Job background jobs. Applies Rails 8 conventions, Solid Queue patterns, error handling, retry strategies, and job design best practices.

This skill should be used when the user asks about Active Record models, database migrations, queries, associations (belongs_to, has_many, has_one, has_and_belongs_to_many), validations, callbacks, scopes, database schema design, SQL optimization, N+1 queries, eager loading, joins, or database-specific features (PostgreSQL, MySQL, SQLite). Also use when discussing ORM patterns, data modeling, or database best practices. Examples:

Complete guide to ActiveRecord query optimization, associations, scopes, and PostgreSQL-specific patterns. Use when: (1) Writing database queries, (2) Designing model associations, (3) Creating migrations, (4) Optimizing query performance, (5) Debugging N+1 queries and GROUP BY errors. Trigger keywords: database, models, associations, validations, queries, ActiveRecord, scopes, migrations, N+1, PostgreSQL, indexes, eager loading

Complete guide to ActiveRecord query optimization, associations, scopes, and PostgreSQL-specific patterns. Use this skill when writing database queries, designing model associations, creating migrations, optimizing query performance, or debugging N+1 queries and grouping errors.

Display the daily activity log showing all content analyzed today. Use when the user asks what they've watched, read, or analyzed today, mentions activity log, daily log, or wants to see their consumption history.

Follow these patterns when implementing activity emission and audit logging in OptAIC. Use for emitting ActivityEnvelopes on mutations (create, update, delete, execute), designing payloads, and ensuring audit compliance.

Use when working on Acuantia's BigQuery Dataform pipeline (acuantia-gcp-dataform project) - adds Acuantia-specific patterns on top of dataform-engineering-fundamentals: ODS two-arg ref() syntax, looker_ filename prefix, Looker integration (looker_prod/looker_dev), acuantia dataset conventions, coordination with callrail_data_export/dialpad_data_integration/looker projects

Creates platform-specific ad copy for paid campaigns with A/B variants. Use when the user asks about ad copy, PPC ads, Google Ads, Facebook ads, LinkedIn ads, or paid campaign copy.