Apply XP practices including pair programming, ensemble programming, continuous integration, and sustainable pace. Use when implementing agile development practices, improving team collaboration, or adopting technical excellence practices.
Chaos engineering principles, controlled failure injection, resilience testing, and system recovery validation. Use when testing distributed systems, building confidence in fault tolerance, or validating disaster recovery.
Apply context-driven testing principles where practices are chosen based on project context, not universal "best practices". Use when making testing decisions, questioning dogma, or adapting approaches to specific project needs.
Expert on Aptos Object Model - ObjectCore, Object<T> wrapper, constructor references, ExtendRef/DeleteRef/TransferRef capabilities, object ownership, named vs generated objects, composability, and migration from resource-only patterns. Triggers on keywords object model, objectcore, constructorref, extendref, deleteref, transferref, named object, object ownership, composable object
Expert guidance on modern React patterns including hooks, composition, state management, and concurrent features. Use when implementing React components or refactoring existing code.
Generate a project-specific DESIGN_SYSTEM.md that enforces consistent UI/UX across SPAs, traditional server-rendered sites, and hybrid systems. Includes tokens, component rules, accessibility gates, and production asset/manifest guidance.
Internationalization (i18n) and localization (l10n) testing for global products including translations, locale formats, RTL languages, and cultural appropriateness. Use when launching in new markets or building multi-language products.
Expert on Expo Router for file-based routing in React Native apps. Covers navigation, layouts, dynamic routes, deep linking, and TypeScript integration. Invoke when user mentions Expo Router, file-based routing, navigation, app directory, or routing in Expo.
Build modern SPAs with Inertia.js and Rails using React, Vue, or Svelte. Use when creating Inertia pages, handling forms with useForm, managing shared props, or implementing client-side routing. Triggers on Inertia.js setup, SPA development, or React/Vue/Svelte with Rails.
Generate .agents.yml config from user answers. Provides tech stack templates for Rails, Python, Node, and Generic projects.
Generate responsive, performant Tailwind CSS styles for React components. Use when styling components, building design systems, or implementing responsive layouts.
Automate versioning with Node.js semantic-release v25+. TRIGGERS - npm run release, version bump, changelog, conventional commits, release automation.
Platform-specific code patterns for web vs native (.native.tsx files). Use when creating React components that need different implementations for web and React Native.
Standardize typed forms in this repo. Use whenever a feature needs a form or an existing form is being refactored. Prefer SchemaForm + formFields + zod for typed inputs and consistent UI/validation; use react-hook-form Controller only for custom fields that SchemaForm cannot render.
Guidelines for formatting TypeScript code in the fx-fetch package.
Write modern React components with TypeScript, hooks, and best practices. Creates functional components, custom hooks, and follows composition patterns.
React and Next.js performance optimization guidelines from Vercel Engineering. Contains 45+ rules across 8 categories.
Use when implementing Hotwire features with Turbo Drive, Turbo Frames, and Turbo Streams. Applies Rails 8 conventions, morphing, broadcasts, lazy loading, and real-time update patterns.
Modern Python 3.12+ development with uv, ruff, and production-ready practices. Routes to specialized skills for frameworks and testing.
Build Django applications with models, views, forms, templates, REST APIs, and modern Django 5.x patterns.
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.
LOCAL-ONLY PyPI publishing with Doppler credentials. TRIGGERS - publish to PyPI, pypi upload, local publish. NEVER use in CI/CD.
Basic MCP skill demonstrating CLI-based execution pattern for fetching URL content
