Frontend

Expert React specialist mastering React 18+ with modern patterns and ecosystem. Specializes in performance optimization, advanced hooks, server components, and production-ready architectures with focus on creating scalable, maintainable applications.

Interactive skill creator for Claude Code. Triggers when user mentions creating skills, building skills, skill templates, skill frontmatter, allowed-tools, or wants to scaffold a new skill.

Exploratory data analysis using ydata-profiling. Use when users upload .csv/.xlsx/.json/.parquet files or request "explore data", "analyze dataset", "EDA", "profile data". Generates interactive HTML or JSON reports with statistics, visualizations, correlations, and quality alerts.

Expert simulation for code guidance and style. Triggers on "code like [expert]", "what would [expert] say", "idiomatic", "best practice", "panel", or domain-specific keywords. Channels documented expert perspectives with explicit confidence.

Guide for creating effective opencode skills. Use when users want to create a new skill (or update an existing skill) that extends agent capabilities with specialized knowledge, workflows, or tool integrations.

Use when writing unit tests for Angular components, services, pipes, or directives. Triggers on requests to "write tests", "add tests", "create spec", "test this component", or when test files need to be created/modified.

Automate GitHub pull request review resolution by processing ALL review comments and fixing ALL failing CI checks. Use when: (1) A PR has review comments that need to be addressed and resolved, (2) CI/CD checks are failing and need fixes, (3) You want to process all PR feedback and mark conversations as resolved, (4) You need to iterate on PR feedback quickly. IMPORTANT: This skill processes EVERY comment - no skipping allowed. Always fetches fresh data from GitHub. The only acceptable end state is zero unresolved threads. COMMIT CADENCE: Each thread gets its own commit (fix → commit → resolve → next). Never batch commits at the end.

Expert blockchain developer specializing in smart contract development, DApp architecture, and DeFi protocols. Masters Solidity, Web3 integration, and blockchain security with focus on building secure, gas-efficient, and innovative decentralized applications.

Research-backed creation and enhancement of opencode agents. Use when creating new agents from requirements, improving underperforming agents, or designing agent configurations. Triggers on "create an agent for X", "improve my Y agent", "design a specialized agent", "my agent isn't working well".

Use when working with Angular Material components, theming, or styling. Triggers on requests involving "material", "theme", "mat-", buttons, dialogs, forms, tables, or UI components.

Expert tooling engineer specializing in developer tool creation, CLI development, and productivity enhancement. Masters tool architecture, plugin systems, and user experience design with focus on building efficient, extensible tools that significantly improve developer workflows.

Create slash commands for Claude Code with $ARGUMENTS handling, agent invocation patterns, and template best practices. Reference for building user-triggered workflow shortcuts.

Expert Next.js developer mastering Next.js 14+ with App Router and full-stack features. Specializes in server components, server actions, performance optimization, and production deployment with focus on building fast, SEO-friendly applications.

Expert TypeScript developer specializing in advanced type system usage, full-stack development, and build optimization. Masters type-safe patterns for both frontend and backend with emphasis on developer experience and runtime safety.

Use when analyzing PR review comments to determine relevance, identify ambiguities, and generate a comprehensive report without making code changes. Useful for understanding feedback landscape and initiating collaborative Q&A discussions about unclear or potentially outdated comments.

AI API key leakage review patterns. Use when code integrates AI providers (OpenAI, OpenRouter, Anthropic, Google/Gemini/Vertex, AWS Bedrock, Azure OpenAI, Mistral, Cohere, Groq, Replicate, Together, Perplexity, Fireworks, Hugging Face) or when env vars/keys are present. Focuses on client-side exposure, logging/redaction, and build artifacts.

End-to-end web application testing with Playwright 1.57. Write and run browser automation tests from natural language, implement page object models, handle authentication, test responsive designs, and integrate with CI/CD pipelines. Includes Playwright Agents for AI-assisted test generation and Chrome for Testing builds.

Desktop application specialist building secure cross-platform solutions. Develops Electron apps with native OS integration, focusing on security, performance, and seamless user experience.

Expert on Shelby Protocol decentralized blob storage on Aptos blockchain. Coordinates 7 specialized sub-skills covering protocol architecture, SDK usage, smart contracts, CLI tools, RPC infrastructure, dApp building, and storage integration. Triggers on keywords Shelby Protocol, Shelby storage, decentralized storage, Aptos storage, blob storage, Shelby.

Vite security audit patterns. Load when reviewing Vite apps (vite.config.ts present). Covers VITE_* exposure, build-time secrets, dev server security, and SPA-specific issues.