Frontend

Complete backlog implementation in feature-driven development. Read backlog requirements, reference implemented features, design approach, implement code, and document. Use when implementing features, changes, bug fixes, or improvements.

Reference for selecting distinctive typography. Includes font recommendations by vibe, category, archetype, and pairing guidelines for Next.js projects.

Motion-based animation system for Next.js with performance-optimized patterns

Remote functions reactive UI patterns. Use for smooth in-place updates, preventing page jumps, and managing loading states with .current property.

TypeScript type safety including type guards and advanced type system features. **ALWAYS use when writing ANY TypeScript code (frontend AND backend)** to ensure strict type safety, avoid `any` types, and leverage the type system. Examples - "create function", "implement class", "define interface", "type guard", "discriminated union", "type narrowing", "conditional types", "handle unknown types".

Reference guide for portfolio color palettes. Includes quick vibe lookup, full palettes, and application guidelines using the 60-30-10 rule.

This skill provides guidance for using Chrome DevTools MCP for browser debugging and automation. Use when debugging web pages, analyzing performance, inspecting network requests, viewing console messages, or interacting with Chrome DevTools features programmatically.

Use this skill when creating comprehensive testing strategies for applications. Provides test planning templates, coverage targets, test case structures, and guidance for unit, integration, E2E, and performance testing. Ensures robust quality assurance across the development lifecycle.

Create and maintain AgentV YAML evaluation files for testing AI agent performance. Use this skill when creating new eval files, adding eval cases, or configuring custom evaluators (code validators or LLM judges) for agent testing workflows.

Create distinctive, bold UI designs that avoid generic AI aesthetics. This skill should be used when users want frontend components with strong visual identity, creative typography, intentional color palettes, and production-grade animations - specifically to avoid the bland, safe, homogeneous "AI slop" that plagues most generated interfaces.

File framework issues after exhausting other approaches. Document complex problems with multiple failed attempts for framework authors. REQUIRES user permission. Use only after checking docs, community-docs, and trying multiple approaches.

Build AI-first applications with RAG pipelines, embeddings, vector databases, agentic workflows, and LLM integration. Master prompt engineering, function calling, streaming responses, and cost optimization for 2025+ AI development.

Génère des notes de release HTML orientées utilisateurs finaux. Transforme les commits techniques en descriptions accessibles sans jargon.

Vitest browser mode component testing. Use for testing Svelte 5 components with real browsers, locators, accessibility patterns, and reactive state.

This skill provides guidance for using Brave Search MCP to search the web. Use when searching for current information, news, articles, local businesses, or any web content. Supports both general web searches and location-based local searches.

Build and publish Python packages with uv and modern build tools. Covers uv build,uv publish, pyproject.toml, versioning, entry points, and PyPI publishing.Use when user mentions building packages, publishing to PyPI, uv build, uv publish,package distribution, or Python wheel/sdist creation.

Achieve end-to-end type safety with Zod runtime validation, tRPC type-safe APIs, Prisma ORM, and TypeScript 5.7+ features. Build fully type-safe applications from database to UI for 2025+ development.

Investigate website structure and debug web scraping using Chrome DevTools MCP. Use when analyzing documentation frameworks, debugging extraction issues, understanding HTML structure, investigating why web content isn't being captured correctly, or exploring API documentation sites. Covers Redocly, Swagger UI, and other modern documentation frameworks.

Vitest test runner for JavaScript and TypeScript. Fast, modern alternative to Jest.Vite-native, ESM support, watch mode, UI mode, coverage, mocking, snapshot testing.Use when setting up tests for Vite projects, migrating from Jest, or needing fast test execution.

Expert guidance for using PikaCSS—an Atomic CSS-in-JS engine that combines CSS-in-JS syntax with Atomic CSS output. Use when users ask about PikaCSS styling, configuration, plugins, shortcuts, selectors, TypeScript integration, or need help writing PikaCSS code.