You're an experimentation leader who has built testing cultures at high-velocity product

Comprehensive WCAG accessibility auditing with multi-tool testing (axe-core + pa11y + Lighthouse), TRUE PARALLEL execution with Promise.allSettled, graceful degradation, retry with backoff, context-aware remediation, learning integration, and video accessibility. Uses 3-tier browser cascade: Vibium → agent-browser → Playwright+Stealth.

Accessibility audit for CSS covering focus styles, color contrast, text sizing, screen reader support, and WCAG compliance. Provides actionable fixes. Use when auditing accessibility or fixing a11y issues.

SDK installation and setup patterns for Agent-to-Agent Protocol across Python, TypeScript, Java, C#, and Go. Use when implementing A2A protocol, setting up SDKs, configuring authentication, or when user mentions SDK installation, language-specific setup, or A2A integration.

Implement state machines with AASM for workflow management. Covers state transitions, guards, callbacks, and testing.

Use when designing experiments for subject lines, offers, cadences, or

Abductive analysis for qualitative interview data following Timmermans & Tavory. Guides you through theory-first analysis that recognizes anomalies and generates novel theoretical insights through systematic puzzle exploration.

Expert in groups, rings, fields, and algebraic structures with applications to cryptography and number theory

Transform academic course assignment PDFs into structured, actionable markdown checklists with dates, unique IDs, and custom tags. Asks when the user will start, assigns tasks only to weekdays (Monday-Friday), respects weekends automatically, and calculates forum deadlines 3 days before due date. Use this skill when the user uploads academic PDFs or asks to create a task plan from course assignments.

Comprehensive toolkit for writing high-quality computer science research papers (conference, journal, thesis). Provides narrative construction guidance, sentence-level clarity principles (Gopen & Swan), academic phrasebank, CS-specific conventions, and section-by-section quality checklists. Use when assisting with academic paper writing, revision, or structure planning across all stages from drafting to submission.

Analyzes bounded context boundaries in DDD projects. Detects cross-context coupling, shared kernel violations, context mapping issues, and ubiquitous language inconsistencies. Generates context map diagrams and boundary recommendations.

Analyzes PHP code for encapsulation violations. Detects public mutable state, exposed internals, Tell Don't Ask violations, getter/setter abuse, and information hiding breaches.

Knowledge base for Claude Code formats and patterns. Use when creating or improving commands, agents, skills, or hooks.

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.

Generates troubleshooting guides and FAQ sections for PHP projects. Creates problem-solution documentation.

Zero tolerance for placeholder tokens **in agent output**. Incompleteness triggers user interview.

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.

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.

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.

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

Use when defining ABM tiers, scoring logic, and coverage rules.

ace-tool

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.

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.

Use to link segments and insights to GTM plays, owners, and measurement

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:

Create, manage, and optimize email campaigns for Laguna Beach Tennis Academy using ActiveCampaign. Use when Claude needs to: (1) Create email campaigns for program launches, camps, or events, (2) Build automation workflows and nurture sequences, (3) Manage contact lists and segmentation, (4) Design luxury-branded email templates following LBTA brand guidelines, (5) Set up triggered emails for registrations or trials, (6) Analyze campaign performance or optimize email strategy.

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 adapting Droidz framework or creating custom workflows. Guide for customizing droids, skills, and commands for specific project needs.

Self-learning workflow system that tracks what works best for your use cases. Records experiment results, suggests optimizations, creates custom templates, and builds a personal knowledge base. Use to learn from experience and optimize your LLM workflows over time.

This skill should be used when analyzing a link to an AI tool and adding it to the awesome-ai-tools readme with proper categorization

Interactive guide for adding new lab members to the website. Gathers information via web research, helps write appropriate bios, optimizes images, and generates properly formatted member files. Use when adding new team members, updating member info, or marking members as alumni.

Add a new calculated metric to the VSM dashboard with test-first development

Fetch OpenCode Zen model details and provide guidance for adding models to acai-ts provider configuration.

Updates job schema and adapters with any new hook events the platform supports. Use after research to extend DeepWork's hook system.

Creates platform adapter, templates, tests with 100% coverage, and README documentation. Use after adding hook capabilities.

Add professional social media headers to README files and documentation to enhance engagement and visibility across LinkedIn, YouTube, GitHub, and X (Twitter). Use when you need to add or update social media badges with clickable links to your profiles.

Add unit tests for component or function: $ARGUMENTS

Guide for adding new LLM models to Letta Code. Use when the user wants to add support for a new model, needs to know valid model handles, or wants to update the model configuration. Covers models.json configuration, CI test matrix, and handle validation.

Guides systematic implementation of new sustainability metrics in OSS Sustain Guard using the plugin-based metric system. Use when adding metric functions to evaluate project health aspects like issue responsiveness, test coverage, or security response time.

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Designs digital experiences for ADHD brains using neuroscience research and UX principles. Expert in reducing cognitive load, time blindness solutions, dopamine-driven engagement, and compassionate design patterns. Activate on 'ADHD design', 'cognitive load', 'accessibility', 'neurodivergent UX', 'time blindness', 'dopamine-driven', 'executive function'. NOT for general accessibility (WCAG only), neurotypical UX design, or simple UI styling without ADHD context.

Build RAG (Retrieval-Augmented Generation) agents with Google ADK and Vertex AI RAG Engine. Use when implementing document Q&A, knowledge base search, or citation-backed responses. Covers VertexAiRagRetrieval tool, corpus setup, and citation formatting.

'Expert guidance for Adobe Express add-on development using Document APIs, Add-on UI SDK, and Document Sandbox. Use when building Adobe Express extensions, creating add-ons, working with express-document-sdk, implementing document manipulation, designing add-on UIs with Spectrum Web Components, troubleshooting iframe/sandbox communication, or accessing Adobe Express documentation and API references via MCP server.'

Use when documenting significant technical or architectural decisions that need context, rationale, and consequences recorded. Invoke when choosing between technology options, making infrastructure decisions, establishing standards, migrating systems, or when team needs to understand why a decision was made. Use when user mentions ADR, architecture decision, technical decision record, or decision documentation.