Design e Frontend

React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing, or refactoring React/Next.js code to ensure optimal performance patterns. Triggers on tasks involving React components, Next.js pages, data fetching, bundle optimization, or performance improvements.

Compute evolutionary distances and build phylogenetic trees using Biopython Bio.Phylo.TreeConstruction. Use when creating distance matrices from alignments, building NJ/UPGMA trees, generating bootstrap consensus, or needing quick exploratory phylogenies before running full ML analysis.

Save conversation Q&A pairs to persistent memory for later retrieval

UI/UX design intelligence for web and mobile. Includes 50+ styles, 161 color palettes, 57 font pairings, 161 product types, 99 UX guidelines, and 25 chart types across 10 stacks (React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui, and HTML/CSS). Actions: plan, build, create, design, implement, review, fix, improve, optimize, enhance, refactor, and check UI/UX code. Pr

Create professional research posters in LaTeX using beamerposter, tikzposter, or baposter. Support for conference presentations, academic posters, and scientific communication. Includes layout design, color schemes, multi-column formats, figure integration, and poster-specific best practices for visual communication.

Esta skill é usada para revisar ou auditar código CSS existente, verificando a consistência com padrões estabelecidos. Ela analisa nomenclatura semântica, cobertura de modo escuro, uso de Tailwind e cobertura de testes, sendo acionada por frases como "revisar CSS" ou "auditar estilos".

Migrar do AngularJS para o Angular usando o modo híbrido, reescrita incremental de componentes e atualizações de injeção de dependência. Use ao atualizar aplicações AngularJS, planejar migrações de frameworks ou modernizar código Angular legado.

Operate as an agentic engineer using eval-first execution, decomposition, and cost-aware model routing.

SOLID object-oriented design principles for maintainable code

Calculate portfolio risk metrics including VaR, CVaR, Sharpe, Sortino, and drawdown analysis. Use when measuring portfolio risk, implementing risk limits, or building risk monitoring systems.

Operate and extend NanoClaw v2, ECC's zero-dependency session-aware REPL built on claude -p.

Implement Command Query Responsibility Segregation for scalable architectures. Use when separating read and write models, optimizing query performance, or building event-sourced systems.