Frontend

Build vs Buy advisor. Use when users say: 'I want to build...', 'Help me create...', 'Can you code...', 'I need a tool/app/script'. Searches for existing libraries, SaaS, and open source solutions before vibe coding. Estimates token costs and provides comparison tables.

Test-driven development (TDD), unit/integration/UAT testing strategies, test organization, coverage requirements, and GenAI validation patterns. Use when writing tests, validating code, or ensuring quality.

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.

Guidelines for creating and organizing Claude Code skills for the ChainGraph project. Use when creating new skills, updating existing skills, or organizing the skill tree. Covers naming conventions, description writing, skill composition, and tree organization.

Guidance and guardrails for secure account recovery workflows including identity verification and password reset.

Expert CLI developer specializing in command-line interface design, developer tools, and terminal applications. Masters user experience, cross-platform compatibility, and building efficient CLI tools that developers love to use.

Implement features with code, tests, and documentation. Use when building features from approved designs following TDD and project coding standards.

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.

Generate Python code to solve AppWorld agent tasks using playbook bullet guidance. Use when the AppWorld executor needs executable Python code for tasks involving Spotify, Venmo, Gmail, Calendar, Contacts, or other AppWorld APIs.

XYFlow integration patterns for ChainGraph visual flow editor. Use when working on node rendering, edge rendering, drag-and-drop, selection handling, anchors, handles, or any XYFlow-related UI code. Covers custom nodes/edges, performance optimization, handle positioning. Triggers: xyflow, reactflow, node rendering, edge rendering, handle, anchor, drag drop, selection, viewport, canvas, flow editor UI.

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

Documentation standards and automation. Use when updating docs, writing guides, or synchronizing code with documentation.

Research-backed skill creation workflow with automated firecrawl research gathering, multi-tier validation, and comprehensive auditing. Use when "create skills with research automation", "build research-backed skills", "validate skills end-to-end", "automate skill research and creation", needs 9-phase workflow from research through final audit, wants firecrawl-powered research combined with validation, or requires quality-assured skill creation following Anthropic specifications for Claude Code.

Analyze and reduce bundle size, implement code splitting, optimize dependencies, and improve build performance. Use when bundle is too large, load times are slow, or implementing progressive loading.

Fix generic HTML/CSS designs by applying aesthetic upgrades across the 5 design dimensions (typography, color, motion, spatial composition, backgrounds)

Search local documents, files, notes, and knowledge bases. Index directories, search with BM25/vector/hybrid, get AI answers with citations. Use when user wants to search files, find documents, query notes, look up information in local folders, index a directory, set up document search, build a knowledge base, needs RAG/semantic search, or wants to start a local web UI for their docs.

Create distinctive, production-grade Svelte/TypeScript frontends with exceptional design quality

This skill should be used when the user asks to "add MCP server", "integrate MCP", "configure MCP in plugin", "use .mcp.json", "set up Model Context Protocol", "connect external service", mentions "${CLAUDE_PLUGIN_ROOT} with MCP", or discusses MCP server types (SSE, stdio, HTTP, WebSocket). Provides comprehensive guidance for integrating Model Context Protocol servers into Claude Code plugins for external tool and service integration.

Validate code quality, test coverage, performance, and security. Use when verifying implemented features meet all standards and requirements before marking complete.

This skill should be used when the user asks to "create a plugin", "scaffold a plugin", "understand plugin structure", "organize plugin components", "set up plugin.json", "use ${CLAUDE_PLUGIN_ROOT}", "add commands/agents/skills/hooks", "configure auto-discovery", or needs guidance on plugin directory layout, manifest configuration, component organization, file naming conventions, or Claude Code plugin architecture best practices.