Frontend

Analyzes HTML/JSX/TSX files for SEO and accessibility issues including WCAG 2.1 AA compliance, color contrast (4.5:1), heading hierarchy, meta tags, image alt text, and ARIA attributes. Use when checking web pages for SEO, accessibility, WCAG compliance, or when user mentions "a11y", "contrast", "alt text", "meta tags", "heading structure", or "accessibility audit".

Use this skill when troubleshooting OpenStudio or EnergyPlus energy models that fail to simulate, have geometry errors (intersecting surfaces, non-planar surfaces, story organization issues), need HVAC validation against Engineer of Record specifications, require LEED Appendix G baseline generation, or need systematic diagnostics for complex commercial building models. Handles model triage, geometry rebuild decisions, EOR specification mapping, and quality assurance for LEED compliance.

Web application testing toolkit using Playwright with Python. Use for verifying frontend functionality, debugging UI behavior, capturing browser screenshots, viewing browser logs, and automating web interactions.

React Native Reanimated animation patterns. Use when implementing animations.

next-intl internationalization for 6 locales (pt-PT, en, tr, es, fr, de) with locale-prefixed routing, useTranslations/getTranslations patterns, and message file structure. Use when adding translations, creating localized pages, implementing language switchers, or handling locale routing.

Use when working through any task checklist (not just OpenSpec). Complete one task, verify, mark done, then next. No skipping, no adding, no reordering.

SanDocs tech stack - Next.js, Supabase, TypeScript

无头模式 AI CLI 调用技能：支持 Gemini/Claude/Codex CLI 的无交互批量调用，包含 YOLO 模式和安全模式。用于批量翻译、代码审查、多模型编排等场景。

Comprehensive guide to phylogenetic tree visualization including matplotlib (Python), ggtree (R), and publication-quality figure generation. Covers rectangular, circular, radial layouts, bootstrap annotations, branch coloring, clade highlighting, and interactive visualizations. Based on best practices from Yulab's Tree Data Book.

Enhance frontend UI/UX design with better typography, color systems, animations, and visual hierarchy. Use when creating or improving UI components, layouts, dashboards, forms, or any visual elements.

AI security co-pilot for identifying, testing, and fixing vulnerabilities in LLM-powered applications.Use when: (1) Securing LLM applications or agents, (2) Generating security test suites with promptfoo,(3) Testing for prompt injection, jailbreaking, data exfiltration, (4) Hardening system prompts,(5) Compliance mapping for OWASP LLM Top 10, NIST AI RMF, CJIS, SOC2, (6) Threat modeling AI systems,(7) Analyzing security eval results, (8) Research on LLM attack/defense techniques.Triggers: "secure my LLM", "prompt injection", "jailbreak test", "AI security", "red team","system prompt hardening", "LLM vulnerability", "promptfoo", "OWASP LLM", "AI compliance".

Screenshot testing for React components with Playwright. Captures component pixels and compares to baselines. Auto-apply when editing React component stories or *.visual.spec.ts files that test UI components.

Build and integrate production-ready RAG (Retrieval-Augmented Generation) chatbots into documentation sites using OpenAI, Qdrant Cloud, and Neon Postgres. Handles complete stack from backend API to frontend UI integration.

Comprehensive templates, patterns, and best practices for creating Claude Code subagents and skills. Use when building new agents/skills or need reference examples for proper structure and formatting.

Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include 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.

React coding guidelines and best practices. MUST follow these rules. Use when reviewing or writing React code or tasks.

Use when decomposing complex work. Dispatch fresh subagent per task, review between tasks. Flow: Load plan → Dispatch task → Review output → Apply feedback → Mark complete → Next task. No skipping reviews, no parallel dispatch.

This skill should be used when implementing rich, interactive React components in LangGraph applications, including weather dashboards, image galleries, flashcards, charts, forms, and custom visualizations. Use when building new agents with custom UI, retrofitting existing agents with generative UI, or implementing specific component types like galleries or interactive forms.

Get today's date for web searches and date-sensitive tasks. Auto-invoke before any WebSearch that includes a year (e.g., "React 2024", "Python 2025"), when searching for current documentation, latest releases, or recent information. Ensures searches use the correct current year instead of outdated dates.

Creates custom React hooks for SideDish. Use when the user asks to create a new hook, extract shared logic into a hook, or refactor component logic into reusable hooks. Includes TypeScript interfaces, memoization patterns, and index.ts export.