Claude Code Skills Collection

A comprehensive collection of 205+ production-ready skills for Claude Code, organized by domain and use case.

📦 What's Inside

• 205+ Skills - Reusable workflows for architecture, testing, quality gates, Home Assistant, web development, cloud infrastructure, data engineering, document creation, and more
• Agents - Specialized autonomous agents for complex tasks
• Plugins - Extended functionality via Claude Code plugins
• Commands - Custom command-line tools

🚀 Quick Start

Installation

Copy skills to your Claude config directory:

# Clone the repository
git clone https://github.com/dawiddutoit/custom-claude.git
cd custom-claude

# Install all skills
cp -r skills/* ~/.claude/skills/

# Install agents (optional)
cp -r agents/* ~/.claude/agents/

Usage

Skills are invoked automatically by Claude Code when relevant, or you can explicitly trigger them:

# Run a specific skill
/skill quality-run-quality-gates

# List available skills
/skills

📚 Skills Catalog

Architecture & Design (5 skills)

• architecture-single-responsibility-principle - SRP validation using multi-dimensional detection
• architecture-validate-architecture - Clean Architecture, Hexagonal, Layered, MVC validation
• architecture-validate-layer-boundaries - Domain layer boundary enforcement
• architecture-validate-srp - AST-based SRP violation detection
• create-adr-spike - Architecture Decision Records and research spikes

Quality Gates & Code Review (13 skills)

• quality-capture-baseline - Capture quality metrics baseline
• quality-code-review - Automated code review with best practices
• quality-detect-orphaned-code - Find unused code and dead imports
• quality-detect-refactor-markers - Identify TODO, FIXME, HACK markers
• quality-detect-regressions - Compare against baseline to detect regressions
• quality-reflective-questions - Code quality self-assessment
• quality-run-linting-formatting - Run linters and formatters
• quality-run-quality-gates - Comprehensive quality gate execution
• quality-run-type-checking - Type checking with mypy/pyright
• quality-verify-implementation-complete - Verify feature completeness
• quality-verify-integration - CCV (Creation+Connection+Verification) validation
• editing-claude - Validate and optimize CLAUDE.md files
• artifacts-creating-and-managing - Manage project artifacts (ADRs, spikes, analysis)

Testing (11 skills)

• test-debug-failures - Systematic test failure debugging
• test-first-thinking - Test-first development workflow
• test-implement-constructor-validation - Constructor validation tests
• test-implement-factory-fixtures - Factory pattern fixtures
• test-organize-layers - Organize tests by architectural layer
• test-property-based - Property-based testing with Hypothesis
• test-setup-async - Async test setup and patterns
• setup-pytest-fixtures - pytest fixture configuration
• textual-snapshot-testing - Snapshot testing for Textual TUIs
• textual-test-fixtures - Textual test fixtures
• textual-test-patterns - Textual testing patterns

Implementation Patterns (6 skills)

• implement-cqrs-handler - CQRS command/query handlers
• implement-dependency-injection - dependency-injector patterns
• implement-feature-complete - 10-stage feature implementation lifecycle
• implement-repository-pattern - Repository pattern (Protocol + Implementation)
• implement-retry-logic - Retry with exponential backoff
• implement-value-object - Immutable domain value objects

Python Best Practices (3 skills)

• python-best-practices-async-context-manager - Async context manager patterns
• python-best-practices-fail-fast-imports - Fail-fast import validation
• python-best-practices-type-safety - Type safety best practices

Observability (3 skills)

• observability-analyze-logs - Log analysis and debugging
• observability-analyze-session-logs - Session-specific log analysis
• observability-instrument-with-otel - OpenTelemetry instrumentation

Home Assistant (14 skills)

• ha-button-cards - Button card configuration with actions
• ha-conditional-cards - Conditional card visibility
• ha-custom-cards - HACS custom cards (ApexCharts, gauges, bubbles)
• ha-dashboard-cards - Dashboard card creation with static titles
• ha-dashboard-create - Programmatic dashboard creation via WebSocket
• ha-dashboard-layouts - Layout patterns (grid, stack, panel)
• ha-error-checking - Dashboard debugging and validation
• ha-graphs-visualization - History graphs and time-series charts
• ha-mqtt-autodiscovery - MQTT auto-discovery for IoT devices
• ha-mushroom-cards - Minimalist Mushroom card ecosystem
• ha-rest-api - REST API integration
• ha-sunsynk-integration - Sunsynk/Deye solar inverter integration
• ha-validate-dashboards - 3-tier dashboard validation

Browser Automation (12 skills)

• browser-layout-editor - 2D layout editors with FastAPI + SVG
• chrome-auth-recorder - Record authenticated workflows as GIFs
• chrome-browser-automation - Chrome automation via MCP
• chrome-form-filler - Safe form filling with verification
• chrome-gif-recorder - Record workflows as annotated GIFs
• playwright-console-monitor - Monitor browser console logs
• playwright-e2e-testing - End-to-end testing patterns
• playwright-form-validation - Form validation testing
• playwright-network-analyzer - Network request analysis
• playwright-responsive-screenshots - Responsive screenshot capture
• playwright-tab-comparison - Multi-tab comparison testing
• playwright-web-scraper - Web scraping patterns
• slack-gif-creator - Create animated GIFs for Slack communications
• webapp-testing - Web application testing with Playwright

Svelte/SvelteKit (13 skills)

• svelte-add-accessibility - Accessibility best practices
• svelte-add-component - Component creation workflow
• svelte-components - Component patterns library
• svelte-create-spa - SPA creation from scratch
• svelte-deployment - Deployment strategies
• svelte-extract-component - Extract reusable components
• svelte-migrate-html-to-spa - Migrate HTML to Svelte SPA
• svelte-runes - Svelte 5 runes patterns
• svelte-setup-state-store - State management setup
• svelte5-showcase-components - Svelte 5 component showcase
• sveltekit-data-flow - Data loading and forms
• sveltekit-remote-functions - Remote function calling
• sveltekit-structure - Project structure patterns

OpenSCAD & CAD (4 skills)

• openscad-cutlist-woodworkers - Woodworking cut list generation
• openscad-labeling - Part labeling and annotations
• openscad-workshop-tools - Workshop tool design patterns
• scad-load - OpenSCAD project loading

Textual TUI Framework (10 skills)

• textual-app-lifecycle - App lifecycle management
• textual-data-display - Data tables and displays
• textual-event-messages - Event and message handling
• textual-layout-styling - Layout and CSS styling
• textual-reactive-programming - Reactive programming patterns
• textual-testing - Testing strategies
• textual-widget-development - Custom widget development
• temet-run-tui-patterns - Temet-specific TUI patterns

Utilities & Workflow (7 skills)

• data-migration-versioning - Data format migration and versioning
• util-manage-todo - Todo list management
• util-multi-file-refactor - Multi-file refactoring
• util-research-library - Library research and evaluation
• util-resolve-serviceresult-errors - ServiceResult error resolution
• web-artifacts-builder - Build web artifacts with shadcn components
• write-atomic-tasks - Atomic task decomposition

Agent & SDK (4 skills)

• agent-sdk-python - Python Claude Agent SDK patterns and examples
• manage-agents - Agent lifecycle management
• mcp-builder - Create high-quality MCP (Model Context Protocol) servers
• skill-creator - Create and manage skills

Domain-Specific (3 skills)

• jira-builders - JIRA integration builders
• minimal-abstractions - Minimal abstraction patterns
• infra-manage-ssh-services - SSH service management

Document & Content Creation (7 skills)

• algorithmic-art - Generate algorithmic art and visualizations
• doc-coauthoring - Collaborative document authoring workflows
• docx - Create and edit Word documents (.docx) with formatting and styles
• internal-comms - Internal communications and company newsletters
• pdf - Comprehensive PDF manipulation (extract, create, merge, split, forms)
• pptx - Create and edit PowerPoint presentations (.pptx)
• xlsx - Spreadsheet creation, editing, formulas, and data analysis

Design & Branding (4 skills)

• brand-guidelines - Brand identity and guidelines development
• canvas-design - Canvas-based design and graphics
• frontend-design - Frontend design patterns and components
• theme-factory - Design system and theme generation

JIRA & Atlassian (5 skills)

• build-jira-document-format - Advanced ADF (Atlassian Document Format) document building
• design-jira-state-analyzer - Analyze and optimize JIRA workflow states
• export-and-analyze-jira-data - Export JIRA data for analysis and reporting
• jira-api - JIRA REST API integration patterns
• work-with-adf - Work with Atlassian Document Format

Data Engineering (17 skills)

• clickhouse-kafka-validation - ClickHouse + Kafka validation patterns
• clickhouse-materialized-views - Real-time aggregation with materialized views
• clickhouse-operations - ClickHouse production operations and monitoring
• clickhouse-query-optimization - Query optimization for ClickHouse
• kafka-consumer-implementation - Kafka consumer patterns
• kafka-integration-testing - Integration testing for Kafka
• kafka-producer-implementation - Kafka producer patterns
• kafka-schema-management - Schema management for Kafka
• otel-logging-patterns - OpenTelemetry logging patterns

Python Testing & Tools (16 skills)

• pytest-adapter-integration-testing - Integration testing for adapters
• pytest-application-layer-testing - Application layer testing
• pytest-async-testing - Async testing patterns
• pytest-configuration - pytest configuration patterns
• pytest-coverage-measurement - Code coverage measurement
• pytest-domain-model-testing - Domain model testing
• pytest-mocking-strategy - Mocking strategies for pytest
• pytest-test-data-factories - Test data factory patterns
• pytest-type-safety - Type safety in tests
• uv-ci-cd-integration - UV package manager CI/CD integration
• uv-dependency-management - UV dependency management
• uv-project-migration - Migrate to UV package manager
• uv-project-setup - Set up new project with UV
• uv-python-version-management - Python version management with UV
• uv-tool-management - Tool management with UV
• uv-troubleshooting - UV troubleshooting guide

Infrastructure & Cloud (38 skills)

• caddy-certificate-maintenance - SSL certificate operations with Caddy
• caddy-https-troubleshoot - Troubleshoot HTTPS/SSL issues with Caddy
• caddy-subdomain-add - Add subdomains to Caddy configuration
• cloudflare-access-add-user - Add users to Cloudflare Access
• cloudflare-access-setup - Configure Cloudflare Access with OAuth
• cloudflare-access-troubleshoot - Troubleshoot Cloudflare Access issues
• cloudflare-dns-operations - Cloudflare DNS management
• cloudflare-service-token-setup - Cloudflare Access service tokens
• cloudflare-tunnel-setup - Set up Cloudflare Tunnel
• cloudflare-tunnel-troubleshoot - Troubleshoot Cloudflare Tunnel
• github-webhook-setup - GitHub webhook configuration
• ha-operations - Home Assistant operations and maintenance
• infrastructure-backup-restore - Infrastructure backup and restore
• infrastructure-health-check - Infrastructure health monitoring
• infrastructure-monitoring-setup - Set up infrastructure monitoring
• pihole-dns-setup - Pi-hole DNS setup
• pihole-dns-troubleshoot - Troubleshoot Pi-hole DNS issues
• pihole-dns-troubleshoot-ipv6 - IPv6 troubleshooting for Pi-hole

GCP & Cloud Platform (7 skills)

• gcp-gke-cluster-setup - GKE cluster setup and configuration
• gcp-gke-cost-optimization - GKE cost optimization strategies
• gcp-gke-deployment-strategies - GKE deployment patterns
• gcp-gke-monitoring-observability - GKE monitoring and observability
• gcp-gke-troubleshooting - GKE troubleshooting guide
• gcp-gke-workload-identity - GKE Workload Identity setup
• gcp-pubsub - Google Cloud Pub/Sub patterns

Gradle & Java Build Tools (7 skills)

• gradle-ci-cd-integration - Gradle CI/CD integration
• gradle-dependency-management - Gradle dependency management
• gradle-docker-jib - Docker image building with Jib
• gradle-performance-optimization - Gradle build optimization
• gradle-spring-boot-integration - Spring Boot with Gradle
• gradle-testing-setup - Gradle test configuration
• gradle-troubleshooting - Gradle troubleshooting

Terraform & IaC (6 skills)

• terraform-basics - Terraform fundamentals
• terraform-gcp-integration - Terraform with GCP
• terraform-module-design - Terraform module patterns
• terraform-secrets-management - Secrets management in Terraform
• terraform-state-management - Terraform state management
• terraform-troubleshooting - Terraform troubleshooting

Java Development (6 skills)

• java-best-practices-code-review - Java code review best practices
• java-best-practices-debug-analyzer - Java debugging and analysis
• java-best-practices-refactor-legacy - Legacy Java code refactoring
• java-best-practices-security-audit - Java security auditing
• java-spring-service - Spring service development
• java-test-generator - Java test generation

Lotus Notes Migration (5 skills)

• lotus-analyze-nsf-structure - Analyze Lotus Notes NSF structure
• lotus-analyze-reference-dependencies - Analyze Notes database dependencies
• lotus-convert-rich-text-fields - Convert rich text fields from Notes
• lotus-migration - Lotus Notes to modern platform migration
• lotus-replace-odbc-direct-writes - Replace ODBC direct writes

Python Metrics & Observability (7 skills)

• python-micrometer-business-metrics - Business metrics with Micrometer
• python-micrometer-cardinality-control - Metrics cardinality management
• python-micrometer-core - Micrometer core patterns for Python
• python-micrometer-gcp-cloud-monitoring - GCP Cloud Monitoring integration
• python-micrometer-metrics-setup - Set up Micrometer metrics
• python-micrometer-sli-slo-monitoring - SLI/SLO monitoring
• python-test-micrometer-testing-metrics - Test metrics instrumentation

CAD & OpenSCAD (1 additional skill)

• openscad-collision-detection - Collision detection for OpenSCAD models

🗂️ Repository Structure

.
├── skills/              # 205+ skill definitions
│   ├── architecture-*/  # Architecture & design skills
│   ├── quality-*/       # Quality gates & code review
│   ├── test-*/          # Testing skills
│   ├── implement-*/     # Implementation patterns
│   ├── ha-*/            # Home Assistant skills
│   ├── svelte-*/        # Svelte/SvelteKit skills
│   ├── clickhouse-*/    # ClickHouse data engineering
│   ├── kafka-*/         # Kafka streaming
│   ├── gcp-*/           # Google Cloud Platform
│   ├── cloudflare-*/    # Cloudflare infrastructure
│   ├── gradle-*/        # Gradle build tools
│   ├── terraform-*/     # Infrastructure as Code
│   ├── java-*/          # Java development
│   ├── lotus-*/         # Lotus Notes migration
│   ├── docx, xlsx, pptx, pdf  # Document creation skills
│   ├── brand-*, canvas-*, theme-*  # Design & branding
│   └── ...
├── agents/              # Custom agent definitions
├── plugins/             # Claude Code plugins
└── commands/            # Custom CLI commands

📖 Skill Structure

Each skill follows a standard structure:

skill-name/
├── SKILL.md            # Skill definition and documentation
├── examples/           # Usage examples (optional)
└── tests/              # Validation tests (optional)

🤝 Contributing

Contributions welcome! To add a new skill:

1. Create a new directory in skills/
2. Add a SKILL.md file following the skill template
3. Test the skill thoroughly
4. Submit a PR with a clear description

📜 License

MIT

🔗 Related Resources

• Claude Code Documentation
• Claude Agent SDK
• MCP Servers

✨ Highlights

CCV Principle

Many skills enforce the Creation + Connection + Verification principle to ensure code isn't just written but actually integrated and working in production.

Quality Gates

Comprehensive quality gate skills ensure code meets standards before merging:

• Type checking
• Linting and formatting
• Test coverage
• Regression detection
• Architecture validation

Multi-Domain Support

Skills span multiple domains:

• Backend: Python, Java, CQRS, repositories, microservices
• Frontend: Svelte, SvelteKit, web components
• Data Engineering: ClickHouse, Kafka, streaming, analytics
• Cloud & Infrastructure: GCP, Cloudflare, Caddy, Pi-hole, Terraform
• Testing: pytest, Playwright, integration testing, test factories
• Build Tools: Gradle, UV package manager
• Home Automation: Home Assistant dashboards and integrations
• CAD/3D: OpenSCAD modeling and design
• TUI: Textual framework applications
• Browser Automation: Chrome, Playwright workflows
• Observability: OpenTelemetry, Micrometer metrics, logging
• Migration: Lotus Notes to modern platforms
• JIRA & Atlassian: Advanced ADF, workflows, automation
• Document Creation: Word, Excel, PowerPoint, PDF manipulation
• Design & Branding: Brand guidelines, themes, canvas design

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Last Updated: 2026-01-22 Total Skills: 205+ Maintained by: @dawiddutoit