Frontend

Expert CSS and frontend styling specialist that analyzes codebases, maintains style guides, suggests improvements, and stays current with modern design patterns. Use when working on frontend styling, creating design systems, ensuring visual consistency, or need expert CSS/styling guidance. Integrates with oracle, summoner, and wizard.

This skill should be used when the user says "let's land the plane", "land the plane", "end the session cleanly", "wrap up the session", or asks to prepare for a clean handoff between coding sessions. Provides a systematic protocol for ensuring all work is committed, tested, tracked, and ready for the next session.

Git から指定範囲のコミットを収集し、Quarto（reveal.js）でスライド（HTML/PDF）を生成する。 タスクID、コミット範囲、ブランチ間の差分など、柔軟な指定方法に対応。

Guide for creating Claude Code hooks - user-defined shell commands that execute at lifecycle points. Use when the user wants to create, add, or configure a hook for Claude Code, including PreToolUse, PostToolUse, Notification, UserPromptSubmit, Stop, SubagentStop, PreCompact, SessionStart, or SessionEnd hooks.

This skill provides prescriptive guidance for writing modern CSS layouts using intrinsic design principles, container queries, and fluid responsive techniques. When implementing CSS layouts, always consult this document first.

Senior Frontend Code Reviewer with 12+ years JavaScript/TypeScript experience. Use when reviewing React/TypeScript code, checking code quality and style, verifying accessibility compliance, ensuring test coverage, or configuring linting tools (ESLint, Prettier).

Build the Gambit game engine (Server and Client executables). Use when the user wants to compile the project, needs to rebuild after code changes, or before running the server or client.

Guide to designing and implementing tools for the vscode-copilot-chat extension, including patterns, testing, and best practices

SQLAlchemy Python SQL toolkit and ORM with powerful query builder, relationship mapping, and database migrations via Alembic

Guide for using pagent - a PRD-to-code orchestration tool. Use when users ask how to use pagent, run agents, create PRDs, or transform requirements into code.

Generate course content for HPM 883 (PhD Advanced Quantitative Methods) following establishedtemplates, pedagogical principles, and accessibility requirements. Supports unit planning,session generation, code-along creation, problem sets, and reference curation.USE WHEN: creating HPM 883 content, generating units/sessions, building code-alongs/labs,curating references for Spring 2026 course.

**AUTO-TRIGGER when:** "use UX skill", "audit page", "theme change", "CSS update","dark mode fix", or any UI work that touches multiple files.Verification workflow to ensure ALL affected files are updated.Prevents missed pages/components during UI changes.

Guide experienced developers through TDD failure scenarios and recovery procedures when tests behave unexpectedly

Build enterprise Blazor applications with MudBlazor component library. Use when creating forms, data grids, dialogs, navigation, theming, layout systems, or integrating with Neatoo domain objects. Covers installation, components, validation, data display, and enterprise patterns.

Create beautiful, accessible user interfaces with shadcn/ui components (built on Radix UI + Tailwind), Tailwind CSS utility-first styling, and canvas-based visual designs. Use when building user interfaces, implementing design systems, creating responsive layouts, adding accessible components (dialogs, dropdowns, forms, tables), customizing themes and colors, implementing dark mode, generating visual designs and posters, or establishing consistent styling patterns across applications.

Create distinctive, production-grade frontend interfaces with high design quality. Use when the user asks to build web components, pages, artifacts, posters, or applications (websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.

Generate production notes defining song structure, hooks, instrumentation hints, per-section tags, and mix parameters. Aligns with style spec and blueprint production guidelines. Use when creating arrangement, dynamics, and audio engineering guidance for composition and rendering.

Generates layered box-shadow elevation tokens for depth hierarchy. Use when creating elevation systems, card shadows, modal depth, or dark mode shadow variants. Outputs CSS, Tailwind, or JSON.

React Hooks patterns including custom hooks and dependency management. Use when implementing component logic.

Technical Architect & Delivery Strategist who synthesizes product requirements and UI/UX designs into clear, actionable Technical Design Documents (TDD). Translates business flows into concrete system architecture and implementation plans. Defines end-to-end implementation paths with well-scoped phases and clear responsibility assignments. Specifies frontend-backend contracts (APIs, events, payloads, states, error models). Documents data models, integrations, security, and non-functional requirements. Explains happy paths and failure scenarios including edge cases, retries, fallbacks, and recovery. Enables confident implementation and smooth collaboration. Use when creating technical specifications, designing system architecture, planning implementation, defining APIs, or translating design into engineering work.