Frontend

Idiomatic TypeScript development. Use when writing TypeScript code, Node.js services, React apps, or discussing TS patterns. Emphasizes strict typing, composition, and modern tooling (bun/vite).

Fetch design information from Figma using the API. Use when applying designs from Figma, extracting styles, colors, fonts, or layout information. Requires FIGMA_TOKEN environment variable.

Production-ready database schema patterns for AI applications including chat/conversation schemas, RAG document storage with pgvector, multi-tenant organization models, user management, and AI usage tracking. Use when building AI applications, creating database schemas, setting up chat systems, implementing RAG, designing multi-tenant databases, or when user mentions supabase schemas, chat database, RAG storage, pgvector, embeddings, conversation history, or AI application database.

Audit code for security vulnerabilities using OWASP Top 10 guidelines. Use for security audits, pre-deploymentchecks, authentication reviews, or when checking for XSS, SQL injection, CSRF, or authorization issues. EXCLUSIVE to security-expert agent.

Write secure, optimized database queries using parameterized statements, proper indexing, and efficient data fetching patterns. Use this skill when writing database queries, ORM query methods, SQL statements, or data access layer code. When working on files containing Prisma queries, TypeORM query builders, raw SQL statements, database transaction logic, eager loading and joins, query optimization code, files implementing data pagination or filtering, cache strategies for expensive queries, or files handling database connection pooling and query timeouts.

PostCSS configuration template and validation logic for Tailwind CSS processing with Autoprefixer. Includes 4 required standards (required base plugins, critical plugin order with tailwindcss first and autoprefixer last, file naming as postcss.config.js, required dependencies). Use when creating or auditing postcss.config.js files to ensure correct CSS build pipeline.

Implement mobile-first responsive design with Tailwind CSS breakpoints for mobile, tablet, and desktop. Use when building responsive layouts or fixing layout issues.

Comprehensive Framer Motion animation library for React. Covers motion components, variants, gestures, page transitions, and scroll animations. Use when adding animations to React/Next.js applications.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, or applications. Generates creative, polished code that avoids generic AI aesthetics.

Scaffold a new Next.js route with tRPC router, Zod validation, and proper file structure

This skill should be used when the user is working in a Rails 7+ application and asks about "Rails conventions", "naming conventions", "Rails structure", "Hotwire patterns", "Turbo frames", "Stimulus controllers", "Rails directory structure", "Rails best practices", or needs guidance on idiomatic Rails patterns for production systems.

Development skill for CaseMark's Smart Redaction Tool - an intelligent document redaction application with two-pass PII detection combining regex patterns and AI-powered semantic analysis. Built with Next.js 14, pdf.js/pdf-lib, and Case.dev LLMs. Use this skill when: (1) Working on the redaction-tool codebase, (2) Adding or modifying regex patterns, (3) Implementing AI detection features, (4) Building PDF export functionality, or (5) Adding new PII types.

Python development best practices including PEP 8 style guidelines, type hints, docstring conventions, and common patterns. Use when writing or modifying Python code.

Transform bullet point notes into an interactive narrative website for live presentations. Use this skill when the user wants to create a "presentation website" or "interactive narrative" from notes, or when they want to present ideas one argument at a time with animations. Creates a React artifact that reveals content progressively with click-to-advance navigation.

Generates consistent spacing tokens using base values and ratios. Use when creating margin/padding systems, gap tokens, or layout spacing. Outputs CSS custom properties, Tailwind config, or JSON tokens.

Implement comprehensive testing strategies using Jest, Vitest, and Testing Library for unit tests, integration tests, and end-to-end testing with mocking, fixtures, and test-driven development. Use when writing JavaScript/TypeScript tests, setting up test infrastructure, or implementing TDD/BDD workflows.

Enforce UI token usage for Espresso Engineered frontend work. Use when editing Svelte/SvelteKit UI, styling typography, voice lines, headers, cards, surfaces, or layout so styles come from frontend/src/lib/ui tokens instead of app.css or ad-hoc CSS.

Jotai atomic state management patterns. Use when implementing fine-grained reactive state.

Building production-quality CLI tools with Cobra command framework and Viper configuration management

Celery canvas patterns for workflow composition including chains, groups, chords, signatures, error handling, and nested workflows. Use when building complex task workflows, parallel execution patterns, task synchronization, callback handling, or when user mentions canvas primitives, workflow composition, task chains, parallel processing, or chord patterns.