Skills Collection 🚀

A comprehensive library of 155 production-ready development skills covering every aspect of modern software engineering. From project setup to production deployment, from security hardening to performance optimization - everything you need to build world-class software.

What are Skills?

Skills are modular, reusable knowledge packages that extend Claude's capabilities with specialized expertise. Think of them as expert consultants that Claude can call upon when you need help with specific engineering tasks.

Learn more about Skills:

Each skill in this collection contains:

✅ Production-ready code - Copy-paste implementations
✅ Best practices - Industry-proven patterns
✅ Configuration examples - Ready-to-use configs
✅ Testing strategies - Comprehensive test coverage
✅ Output checklists - Ensure nothing is missed

Skills Library

🔧 Foundation (23 skills)

Development Environment & Project Setup

project-scaffolder - Generates complete project structure with TypeScript, testing, and CI/CD
dependency-doctor - Manages package.json dependencies with security scanning and updates
code-formatter-installer - Sets up ESLint, Prettier, and pre-commit hooks
git-hygiene-enforcer - Enforces conventional commits and clean git practices
dev-environment-bootstrapper - Docker Compose setup for local development
dev-onboarding-builder - Creates comprehensive onboarding docs for new developers
docs-starter-kit - Generates README, contributing guides, and API documentation
changelog-writer - Automated changelog generation from git history
repo-structure-linter - Validates project structure against best practices
codebase-summarizer - Analyzes and documents existing codebases
explaining-code - Generates clear explanations for complex code
skill-creator - Generate new Claude Code skills from scratch
conventional-commits - Enforce conventional commit message format
monorepo-setup - Turborepo/Nx monorepo configuration
eslint-prettier-config - ESLint and Prettier setup with custom rules
typescript-strict-migrator - Migrate to strict TypeScript gradually
hot-reload-optimizer - Optimize HMR for faster development
vscode-workspace-setup - VS Code workspace configuration and extensions
jsdoc-typescript-docs - JSDoc and TypeScript documentation
mermaid-diagram-generator - Mermaid.js diagram generation
pr-template-builder - PR template generation
readme-generator - Comprehensive README documentation
storybook-setup - Storybook component documentation

🎨 Frontend (19 skills)

React, UI Components & User Experience

component-scaffold-generator - Creates React components with TypeScript and tests
page-layout-builder - Responsive layouts with Tailwind CSS and CSS Grid
form-wizard-builder - Complex forms with react-hook-form and Zod validation
table-builder - Advanced data tables with TanStack Table (sorting, filtering, pagination)
modal-drawer-system - Overlay components (modals, drawers, toasts, tooltips)
animation-micro-interaction-pack - Smooth animations with Framer Motion
i18n-frontend-implementer - Internationalization with i18next
state-ux-flow-builder - State management and user flow optimization
design-to-component-translator - Converts design mockups to React components
frontend-refactor-planner - Refactors components for better patterns and performance
tailwind-gradient-builder - Generate beautiful Tailwind CSS gradients
dark-mode-implementer - Implement dark mode with CSS variables
accessibility-auditor - WCAG accessibility compliance audits
react-hook-builder - Custom React hooks with TypeScript
framer-motion-animator - Advanced animations with Framer Motion
responsive-design-system - Mobile-first responsive design system
zustand-state-builder - Zustand state management setup
react-server-components - React Server Components patterns
tanstack-query-setup - TanStack Query configuration and patterns

⚙️ Backend (16 skills)

APIs, Authentication & Server-Side Logic

api-endpoint-generator - REST API endpoints with Express/Fastify
auth-module-builder - JWT/session authentication with OAuth integration
rbac-permissions-builder - Role-based access control system
webhook-receiver-hardener - Secure webhook handling with signature verification
rate-limiting-abuse-protection - Request rate limiting and abuse prevention
api-contract-normalizer - OpenAPI/Swagger documentation generation
api-docs-generator - OpenAPI/Swagger documentation generation
caching-strategist - Multi-layer caching strategies (Redis, CDN)
error-handling-standardizer - Consistent error responses and logging
service-layer-extractor - Clean architecture with service layers
background-jobs-designer - Job queue implementation (Bull, BullMQ)
graphql-schema-designer - GraphQL schema design and resolvers
websocket-realtime-builder - WebSocket real-time features
queue-job-processor - Background job processing with Bull/BullMQ
event-driven-architect - Event-driven architecture patterns
rest-to-graphql-migrator - Migrate REST APIs to GraphQL

🤖 AI Engineering (16 skills)

LLMs, RAG, Agents & AI Systems

prompt-template-builder - Reusable prompt templates with versioning
rag-pipeline-builder - Retrieval-Augmented Generation pipelines
doc-to-vector-dataset-generator - Creates embeddings from documents
guardrails-safety-filter-builder - Safety guardrails and content filtering
evaluation-harness - LLM output evaluation and metrics
agent-orchestration-planner - Multi-agent systems and orchestration
cost-latency-optimizer - Token optimization and cost reduction
tool-function-schema-designer - Function calling schemas for LLMs
llm-debugger - Debug LLM issues with trace logging
prompt-regression-tester - Automated prompt testing and validation
mcp-server-builder - Model Context Protocol server development
langchain-workflow-builder - LangChain workflow pipelines
vector-db-setup - Vector database setup (Pinecone, Weaviate, etc.)
structured-output-extractor - Extract structured data from LLM outputs
ai-agent-orchestrator - Multi-agent orchestration patterns
embedding-pipeline-builder - Document embedding pipelines

🏗️ Architecture (10 skills)

System Design, Scalability & Technical Decisions

adr-writer - Architecture Decision Records documentation
system-design-generator - System architecture diagrams and documentation
domain-model-boundaries-mapper - Domain-driven design modeling
api-versioning-deprecation-planner - API versioning strategies
scalability-playbook - Horizontal and vertical scaling strategies
migration-planner - Zero-downtime migration planning
reliability-strategy-builder - SRE best practices and redundancy
tech-debt-prioritizer - Technical debt tracking and prioritization
rfc-generator - Request for Comments proposal templates
performance-budget-setter - Performance budgets and monitoring

🔄 CI/CD & Infrastructure (14 skills)

Automation, Deployments & Release Management

github-actions-pipeline-creator - Complete CI/CD pipelines
caching-strategy-optimizer - Build and dependency caching
release-automation-builder - Semantic versioning and automated releases
preview-environments-builder - Ephemeral preview environments
secrets-env-manager - Secrets management in CI/CD
quality-gates-enforcer - Pre-deployment quality checks
rollback-workflow-builder - Automated rollback mechanisms
deployment-checklist-generator - Deployment checklists and procedures
monorepo-ci-optimizer - Monorepo-specific CI optimizations
artifact-sbom-publisher - Software Bill of Materials generation
dockerfile-optimizer - Optimize Dockerfiles for production
kubernetes-manifest-generator - Kubernetes deployment manifests
terraform-module-builder - Terraform module development
nginx-config-optimizer - NGINX configuration optimization

💾 Database Management (10 skills)

Migrations, Optimization & Data Engineering

prisma-migration-assistant - Safe database migrations with Prisma
schema-consistency-checker - Schema validation and enforcement
sql-query-optimizer - Query performance optimization
data-seeding-fixtures-builder - Test data generation and seeding
backup-restore-runbook-generator - Backup and disaster recovery
multi-tenant-safety-checker - Multi-tenancy data isolation
data-retention-archiving-planner - Data retention and GDPR compliance
data-integrity-auditor - Data consistency validation
etl-sync-job-builder - ETL pipelines and data synchronization
db-performance-watchlist - Database monitoring and alerting

🧪 Testing (22 skills)

Quality Assurance & Test Coverage

unit-test-generator - Comprehensive unit tests with edge cases
integration-test-builder - API and database integration tests
e2e-test-builder - End-to-end tests with Playwright/Cypress
mocking-assistant - Mock Service Worker (MSW) setup
flaky-test-detective - Detects and fixes flaky tests
coverage-strategist - ROI-based test coverage planning
test-data-factory-builder - Test data factories and builders
snapshot-test-refactorer - Refactors brittle snapshot tests
contract-testing-builder - API contract testing with Pact
test-reporting-triage-skill - Automated test failure analysis
visual-regression-tester - Visual regression testing setup
api-mock-server - API mocking with MSW patterns
load-test-builder - Load testing with k6
cypress-playwright-setup - E2E testing framework setup
api-docs-generator - API documentation generation for testing
api-test-suite-generator - Comprehensive API test suite generation
bruno-collection-generator - Bruno API client collection generator
curl-command-generator - cURL command generation for API testing
insomnia-collection-generator - Insomnia API client collection generator
openapi-generator - OpenAPI specification generator
postman-collection-generator - Postman collection generator
vscode-rest-client-generator - VS Code REST Client file generator

🔒 Security (14 skills)

Security Hardening & Privacy Protection

secrets-scanner - Detects leaked credentials (Gitleaks, pre-commit hooks)
dependency-vulnerability-triage - Vulnerability scanning and patch planning
threat-model-generator - STRIDE threat modeling
secure-headers-csp-builder - Security headers and Content Security Policy
auth-security-reviewer - Authentication and authorization security audit
input-validation-sanitization-auditor - XSS and injection prevention
security-pr-checklist-skill - Security review checklist for PRs
pii-redaction-logging-policy-builder - PII protection in logs
security-incident-playbook-generator - Incident response procedures
rbac-policy-tester - Permission regression testing
oauth2-oidc-implementer - OAuth2/OIDC implementation
cors-configuration - CORS setup and security
api-security-hardener - API security best practices
env-secrets-manager - Environment and secrets management

📊 Performance (11 skills)

Observability, Monitoring & Optimization

observability-setup - OpenTelemetry tracing, Prometheus metrics, structured logs
structured-logging-standardizer - Consistent log formatting with correlation IDs
alerting-dashboard-builder - SLO-based alerts and Grafana dashboards
incident-runbook-generator - Incident response runbooks
core-web-vitals-tuner - LCP, INP, CLS optimization
backend-latency-profiler-helper - API performance profiling
caching-cdn-strategy-planner - Multi-layer caching with CDN
load-test-scenario-builder - Load testing with k6
capacity-planning-helper - Infrastructure sizing and cost analysis
postmortem-writer - Blameless postmortem documentation
redis-patterns - Redis caching and data structure patterns

🚀 How to Use

Option 1: Use in Claude Desktop (Recommended)

Download the skills you need from this repository
Create a skills folder in your project:
```
mkdir -p .claude/skills
```

Copy skill files to your project:

cp path/to/downloaded/skill.skill .claude/skills/

Open your project in Claude Desktop - Skills will be automatically loaded

Ask Claude to use the skill:

"Use the unit-test-generator skill to create tests for my auth module"

Option 2: Use via Claude.ai

Upload the skill file to your conversation in Claude.ai

Reference the skill in your message:

"I've uploaded the api-endpoint-generator skill.
Please use it to create a REST API for user management."

Option 3: Project-Level Skills

For team-wide skill availability:

Create .claude/skills/ folder in your repository root
Add skill files to version control
Document in README which skills are available
Team members automatically have access when using Claude Desktop

📁 Repository Structure

skills/
├── foundation/          # Project setup, development environment, and documentation
├── frontend/            # React, UI components, and user experience
├── backend/             # APIs, authentication, and server logic
├── ai-engineering/      # LLMs, RAG, agents, and AI systems
├── architecture/        # System design and technical decisions
├── ci-cd/              # Automation, deployments, infrastructure, and releases
├── db-management/       # Database operations and data engineering
├── testing/            # Quality assurance and test coverage
├── security/           # Security hardening and privacy
└── performance/        # Observability, monitoring, and optimization

💡 Use Cases

🎯 Starting a New Project

Use foundation skills to scaffold your project with best practices from day one.

🔐 Security Hardening

Apply security skills to implement authentication, secrets management, and threat modeling.

🚀 Performance Optimization

Leverage performance skills for monitoring, profiling, and optimization.

🤖 AI Integration

Utilize ai-engineering skills to build LLM-powered features with RAG and agents.

🧪 Quality Assurance

Implement comprehensive testing strategies with testing skills.

🎓 Learning Path

New to a domain? Start with these foundational skills:

Backend Development → api-endpoint-generator → auth-module-builder → error-handling-standardizer
Frontend Development → component-scaffold-generator → form-wizard-builder → state-ux-flow-builder
DevOps → github-actions-pipeline-creator → preview-environments-builder → rollback-workflow-builder
AI Engineering → prompt-template-builder → rag-pipeline-builder → evaluation-harness
Security → secrets-scanner → auth-security-reviewer → threat-model-generator

🤝 Contributing

Found a bug or have an improvement? Contributions are welcome!

Fork the repository
Create a feature branch
Make your changes
Submit a pull request

🌟 Acknowledgments

These skills represent best practices from:

Industry-leading engineering teams
Open-source community standards
SRE and DevOps methodologies
Security and privacy frameworks
Modern web development patterns

📊 Stats

155 Skills across 10 engineering disciplines
90,000+ lines of production-ready code
Complete SDLC coverage from design to operations
Battle-tested patterns used in production systems

📄 License

MIT License - Use these skills freely in your projects!

Stay safe when working with AI! 🛡️

Enjoy! 💜

Made with love by Patricio Marroquin