Design

Use PROACTIVELY when user needs to create a new GitHub repository or set up a project with best practices. Automates repository creation with four modes - quick public repos (~30s), enterprise-grade with security and CI/CD (~120s), open-source community standards (~90s), and private team collaboration with governance (~90s). Not for existing repo configuration or GitHub Actions workflow debugging.

Interacts with vLex legal APIs for document search, anonymization, citation extraction, and classification. Use when needing international legal documents, PII removal, or legal text analysis. Requires VLEX_API_KEY environment variable.

Manages MPEP index lifecycle including downloads, building, maintenance, and optimization.

Create new Claude Code skills with proper structure, modular organization, and performance optimization. Use when building new skills, refactoring existing skills, or improving skill maintainability.

Build React applications with CopilotKit and LangGraph for AI-powered collaborative editing. Creates production-ready editor applications (text, document, or node-based) with real-time AI assistance, shared state management, and agentic workflows. Use this skill when users want to build intelligent editing interfaces with AI collaboration features.

Use this skill when new users want to get started with LimaCharlie, set up their first organization, or begin collecting security data. Guides beginners through org creation and helps identify what to onboard, then hands off to specialized skills.

Use when the animation domain is unclear or spans multiple contexts—provides general-purpose Disney animation principle guidance.

Expert-level guidance for developing secure, clean, and refactored code across web (React/Next.js/Node.js), iOS (Swift/SwiftUI), and Android (Kotlin/Jetpack Compose) platforms. Use when working on complex multi-platform projects requiring exceptional code quality, security best practices, architecture patterns, and maintainable codebases. Includes advanced patterns for state management, API design, authentication, testing, and cross-platform consistency.

Use when setting up Vercel projects, configuring blob storage, managing environment variables, or setting up custom domains with wildcard subdomains. Critical for avoiding env var loss and understanding wildcard routing requirements.

Plan, structure, and scaffold large educational books using cognitive load management and pedagogical best practices. Use when planning multi-part educational works requiring narrative continuity, progressive complexity, and hands-on exercises.

Master system design for scalable, reliable applications.

REST APIを設計する際に使用。RESTful原則とエラーハンドリングをカバー。

Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup

This skill should be used when Claude needs to determine what to test, design test structures, follow TDD practices, or decide when to skip tests. Trigger phrases include "write tests", "TDD approach", "test coverage", "what should I test", "testable vs non-testable".

Implement Brazilian financial system integrations including Boleto generation, PIX payments, parcelamento (installments), CPF/CNPJ validation, and Banco do Brasil API integration. Use this skill when building fintech applications, payment processing systems, or any system requiring Brazilian banking compliance.

Create uxscii components with ASCII art and structured metadata when user wants to create, build, or design UI components. Use when working with .uxm files, when user mentions .uxm components, or when creating buttons, inputs, cards, forms, modals, or navigation.

Use when writing or reviewing TypeScript code. Enforces strict mode standards, explicit typing, and best practices. Prevents 'any' types, @ts-ignore comments, and non-null assertions. This is a COMPREHENSIVE skill - consult the detailed guides before writing any TypeScript code.

Modern WordPress block development and Full Site Editing with theme.json, block themes, and custom blocks for WordPress 6.7+. Use this skill when building block themes with FSE architecture, creating custom Gutenberg blocks, or implementing centralized styling with theme.json.

Master Django-FixiPlug integration workflows. Learn how to build full-stack CRUD applications by orchestrating table, form, state, and fx-attribute plugins together. Essential for working with dj-fixi backends.

Workspace-first R statistics suite with subskills and agent-run metaskills (including run-demo for guided onboarding, explain-statistics for concept explanations, explain-results for interpreting outputs, format-document for NLSS format alignment, screen-data for diagnostics, check-assumptions for model-specific checks, and write-full-report for end-to-end reporting) that produce NLSS format tables/narratives and JSONL logs from CSV/SAV/RDS/RData/Parquet. Covers descriptives, frequencies/crosstabs, correlations, t-tests/ANOVA/nonparametric, regression/mixed models, SEM/CFA/mediation, EFA, power, reliability/scale analysis, assumptions, plots, missingness/imputation, data transforms, and workspace management.