Performance skills

This skill helps you craft Manifest V3 browser extensions with robust persistence, security, and cross-browser compatibility.

This skill helps you optimize frontend and backend performance by enforcing INP under 200ms, partial hydration, UUIDv7 indexing, and token stewardship.

This skill helps you implement pixel-perfect frontend experiences that align with human-centered psychology and production-grade design systems.

This skill helps optimize Next.js 15 apps by applying App Router patterns, server components, and server actions across routing, data fetching, and middleware.

This skill helps you implement Django REST Framework patterns with ViewSets, serializers, filters, and permissions to build robust APIs.

This skill helps you write modern safe Java 21 code using records, sealed types, and virtual threads with best-practice guidance.

This skill helps you build cross-platform desktop apps with Electron, enabling secure IPC, native integrations, and framework-agnostic setup.

This skill guides thorough code reviews by applying best practices across quality, safety, performance, and testing to improve Java code.

This skill guides RESTful API design using resource-oriented principles, enabling consistent, scalable endpoints with JSON responses and proper error handling.

This skill helps you apply Java best practices and design patterns, including clean naming, streams, and robust error handling.

This skill helps you design scalable, maintainable database structures by applying naming, indexing, and optimization guidelines across tables and queries.

This skill guides systematic DRY refactoring to eliminate duplication, reduce maintenance effort, and improve code quality through a proven 4-step workflow.

This skill helps you build cross-platform mobile apps with Flutter and React Native, enforcing clean architecture, offline-first design, and platform-specific

This skill helps you build accessible, design-faithful React and Next.js UI using shadcn/ui, server components, and design tokens for performance.

This skill conducts comprehensive QA reviews for security, performance, accessibility, and test coverage, guiding remediation with concrete file-level fixes.

This skill guides modular and file-based FastAPI routing to improve maintainability and scalability across complex APIs.

This skill eliminates response bloat to save tokens while preserving clarity and essential information in concise outputs.

This skill guides you through systematic code-quality reviews, improving correctness, design, security, performance, and maintainability with actionable

This skill helps you design reliable observability by shaping SLIs, SLOs, traces, alerts, and dashboards for production systems.

This skill helps you diagnose, baseline, and optimize performance by guiding measurement, bottleneck identification, and capacity planning.

This skill guides selecting and implementing VueUse composables to build concise, maintainable Vue.js / Nuxt features with optimal performance.