Frontend

HTMLCSStoImage API via curl. Use this skill to generate images from HTML/CSS or capture screenshots of web pages.

Testing React Native. Use when writing tests, reviewing test coverage, or setting up testing.

Use when designing or reviewing systems handling sensitive data (PII, PHI, financial, auth credentials), building features with security implications (auth, payments, file uploads, APIs), preparing for security audits or compliance (PCI, HIPAA, SOC 2), investigating security incidents, integrating third-party services, or when user mentions "threat model", "security architecture", "STRIDE", "trust boundaries", "attack surface", or "security review".

Sécurité React. Use when reviewing security, implementing auth, or hardening code.

Create custom slash commands for Claude Code. Use when the user wants to create, add, or build a new slash command, custom command, or save a prompt as a command.

Execute test suites and report results. Use when validating code functionality.

Gestión de Estado - React Query, Zustand, MMKV. Use when managing application state.

Z.AI CLI providing:- Vision: image/video analysis, OCR, UI-to-code, error diagnosis (GLM-4.6V)- Search: real-time web search with domain/recency filtering- Reader: web page to markdown extraction- Repo: GitHub code search and reading via ZRead- Tools: MCP tool discovery and raw calls- Code: TypeScript tool chainingUse for visual content analysis, web search, page reading, or GitHub exploration. Requires Z_AI_API_KEY.

Build and review TypeScript applications and libraries with strong typing, tooling, and delivery quality.

Coordinate sequential improvement stages (analyze → propose → build → validate) with Prompt Architect clarity and Skill Forge guardrails.

Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.

Gerenciamento de Estado - React Query, Zustand, MMKV. Use when managing application state.

Transform learning content (like YouTube transcripts, articles, tutorials) into actionable implementation plans using the Ship-Learn-Next framework. Use when user wants to turn advice, lessons, or educational content into concrete action steps, reps, or a learning quest.

Build Solana programs with Anchor framework or native Rust. Use when developing Solana smart contracts, implementing token operations, testing programs, deploying to networks, or working with Solana development. Covers both high-level Anchor framework (recommended) and low-level native Rust for advanced use cases.

Master TanStack Query (React Query) v5 for server state management in React applications. Use when fetching data from APIs, managing server state, caching, or handling mutations. Triggers on phrases like "react query", "tanstack query", "data fetching", "cache management", "server state", or file patterns like *query*.ts, *Query*.tsx, queryClient.ts.

Extract tacit engineering knowledge through guided interviews and generate structured steerings. Use when user mentions "steerings", "tacit knowledge", "conventions", "engineering practices", "interview", or wants to document team/project knowledge. Also activates when user asks for "steerings for X", "document X conventions", "continue steerings", "resume interview", or wants to extract knowledge about a specific topic. Supports reviewing and transforming existing steerings to standard format. Auto-detects existing sessions and offers to continue incomplete ones.

Rapid development with Cloudflare Workers - build and deploy serverless applications on Cloudflare's global network. Use when building APIs, full-stack web apps, edge functions, background jobs, or real-time applications. Triggers on phrases like "cloudflare workers", "wrangler", "edge computing", "serverless cloudflare", "workers bindings", or files like wrangler.toml, worker.ts, worker.js.

CLAUDE.md file generation and optimization for Claude Code projects. Capabilities: initialize project instructions, analyze codebase context, optimize existing CLAUDE.md, apply Anthropic best practices, reduce token usage, improve effectiveness. Actions: init, create, optimize, enhance CLAUDE.md files. Keywords: CLAUDE.md, project instructions, Claude Code setup, project context, codebase analysis, Anthropic best practices, token optimization, project configuration, AI instructions, coding guidelines, project rules, workspace setup. Use when: initializing CLAUDE.md for new projects, optimizing existing project instructions, setting up Claude Code for a codebase, improving AI coding guidelines.

This skill should be used when the user asks about "API contract", "api-contract.md", "shared interface", "TypeScript interfaces", "request response schemas", "endpoint design", or needs guidance on designing contracts that coordinate backend and frontend agents.

Create a DESIGN_GUIDELINES.md that defines how to design UI/UX for your customer. Requires CUSTOMER.md to exist first. Covers aesthetic direction, design tokens, typography, color, motion, components, and layout patterns. Bakes in frontend-design skill principles to avoid generic AI aesthetics.