Claude Supercode Skills

161 AI Agent Skills for Claude Code, Gemini CLI, and Google Antigravity

A comprehensive collection of specialized AI coding skills that extend the capabilities of AI coding assistants. Each skill provides domain-specific knowledge, workflows, and best practices for professional software development.

Platforms Supported

Platform	Branch	Skill File	Install Location
Claude Code	main	SKILL.md	~/.claude/skills/
Gemini CLI	gemini-cli	skill.yaml	~/.gemini/skills/
Antigravity	antigravity	skill.yaml	~/.gemini/antigravity/skills/

Quick Install

Claude Code (Anthropic)

# Clone main branch
git clone https://github.com/404kidwiz/claude-supercode-skills.git ~/.claude/skills

# Or add specific skills
git clone https://github.com/404kidwiz/claude-supercode-skills.git /tmp/skills
cp -r /tmp/skills/python-pro-skill ~/.claude/skills/

Gemini CLI

# Clone gemini-cli branch
git clone -b gemini-cli https://github.com/404kidwiz/claude-supercode-skills.git ~/.gemini/skills

Google Antigravity

# Clone antigravity branch
mkdir -p ~/.gemini/antigravity
git clone -b antigravity https://github.com/404kidwiz/claude-supercode-skills.git ~/.gemini/antigravity/skills

Skills by Category

Development - Languages (21)

Skill	Description
cpp-pro-skill	C++20 specialist with performance optimization and system programming
csharp-developer-skill	.NET 8 and C# 12 with ASP.NET Core and EF Core
dotnet-core-expert-skill	.NET 8 cross-platform with MAUI and modern C#
dotnet-framework-4.8-expert-skill	Legacy .NET Framework with WCF and ASP.NET MVC
elixir-expert-skill	Elixir, Phoenix, and OTP for concurrent applications
golang-pro-skill	Go 1.21+ with goroutines, channels, and stdlib
java-architect-skill	Java 21, Spring Boot 3, and Jakarta EE
javascript-pro-skill	ES2023+, Node.js, and async patterns
kotlin-specialist-skill	Kotlin 2.0, KMP, Coroutines, and Ktor
laravel-specialist-skill	Laravel 11+, Octane, and Livewire 3
php-pro-skill	PHP 8.2+ with modern patterns and Composer
python-pro-skill	Python 3.11+, type annotations, and FastAPI
rails-expert-skill	Rails 7+ with Hotwire, Turbo, and Stimulus
rust-engineer-skill	Rust async, ownership patterns, FFI, and WASM
spring-boot-engineer-skill	Spring Boot 3+, Virtual Threads, and Cloud Native
swift-expert-skill	iOS/macOS with SwiftUI and Combine
typescript-pro-skill	TypeScript 5+ advanced types and generics

Development - Frontend (12)

Skill	Description
angular-architect-skill	Angular 15+ enterprise patterns and NgRx
frontend-developer-skill	Modern frontend development tools and patterns
frontend-ui-ux-engineer-skill	Designer-developer for stunning UI/UX
nextjs-developer-skill	Next.js 14+, App Router, and Server Components
react-native-specialist-skill	React Native cross-platform mobile development
react-specialist-skill	React 18+, hooks, concurrent features, Zustand
threejs-pro-skill	Three.js, WebGL, React Three Fiber, and WebGPU
vue-expert-skill	Vue 3 Composition API, Pinia, and Nuxt.js
canvas-design-skill	Visual art in PNG/PDF using design philosophy
algorithmic-art-skill	Generative art with p5.js and seeded randomness
ui-designer-skill	Visual UI design and component systems
theme-factory-skill	Styling artifacts with preset themes

Development - Backend (8)

Skill	Description
backend-developer-skill	Production-ready server-side applications
django-developer-skill	Django 4+, DRF, PostgreSQL, and Celery
graphql-architect-skill	GraphQL schema, federation, and resolvers
api-designer-skill	REST/GraphQL API with OpenAPI 3.1
websocket-engineer-skill	Real-time WebSocket and Socket.IO systems
kafka-engineer-skill	Apache Kafka streaming and event processing
event-driven-architect-skill	Async systems with AsyncAPI and CloudEvents
payment-integration-skill	Stripe, PayPal, Adyen integration

Development - Mobile (4)

Skill	Description
flutter-expert-skill	Flutter 3+, Dart, and Firebase integration
mobile-app-developer-skill	Native/cross-platform iOS and Android
mobile-developer-skill	React Native and Flutter development
macos-developer-skill	macOS development with SwiftUI

Development - Desktop (3)

Skill	Description
electron-pro-skill	Electron desktop apps with auto-update
windows-app-developer-skill	WinUI 3, WPF, and Windows App SDK
game-developer-skill	Unity, Unreal, and custom game engines

Development - Fullstack (2)

Skill	Description
fullstack-developer-skill	Frontend-backend integration and architecture
mcp-developer-skill	Model Context Protocol servers and clients

Architecture & Design (9)

Skill	Description
architect-reviewer-skill	System design validation and pattern assessment
cloud-architect-skill	AWS, Azure, GCP multi-cloud strategies
microservices-architect-skill	Service decomposition and orchestration
solution-architect-skill	Enterprise solutions with TOGAF adaptation
legacy-modernizer-skill	Strangler Fig, CDC, and anti-corruption layers
refactoring-specialist-skill	Design patterns and SOLID principles
llm-architect-skill	LLM deployment and optimization strategies
workflow-orchestrator-skill	Temporal, Camunda, and event-driven workflows
context-manager-skill	Vector databases, RAG, and context optimization

DevOps & Infrastructure (16)

Skill	Description
devops-engineer-skill	CI/CD automation and SRE practices
deployment-engineer-skill	CI/CD with Jenkins, GitHub Actions, GitLab
kubernetes-specialist-skill	K8s orchestration across EKS, AKS, GKE
terraform-engineer-skill	Infrastructure as Code and cloud architecture
azure-infra-engineer-skill	Azure infrastructure and Bicep IaC
platform-engineer-skill	Internal developer platforms and self-service
sre-engineer-skill	SLOs, error budgets, and incident management
build-engineer-skill	Build systems and optimization
build-skill	Compilation and packaging specialist
chaos-engineer-skill	Failure injection and resilience testing
devops-incident-responder-skill	Incident detection and root cause analysis
incident-responder-skill	Security and operational incident response
network-engineer-skill	Network architecture and zero-trust
video-engineer-skill	Video processing and streaming protocols
iot-engineer-skill	Edge computing and sensor networks
embedded-systems-skill	RTOS, microcontrollers, and firmware

Data & AI/ML (14)

Skill	Description
ai-engineer-skill	LLMs, RAG, and autonomous agents
data-analyst-skill	BI, visualization, and statistical analysis
data-engineer-skill	Scalable data pipelines and ETL/ELT
data-researcher-skill	Data discovery and insight extraction
data-scientist-skill	ML, EDA, and predictive modeling
machine-learning-engineer-skill	ML model deployment and inference
ml-engineer-skill	ML system development and pipelines
mlops-engineer-skill	ML lifecycles and production monitoring
nlp-engineer-skill	NLP with Hugging Face, spaCy, LangChain
prompt-engineer-skill	Prompt design and Chain-of-Thought
quant-analyst-skill	Algorithmic trading and financial analysis
csv-data-wrangler-skill	High-performance CSV processing
knowledge-synthesizer-skill	Ontology building and GraphRAG
trend-analyst-skill	Forecasting and market intelligence

Databases (5)

Skill	Description
database-administrator-skill	PostgreSQL, MySQL, MongoDB HA and tuning
database-optimizer-skill	Query optimization and index strategies
postgres-pro-skill	PostgreSQL administration and optimization
sql-pro-skill	SQL development across major platforms
fintech-engineer-skill	Double-entry ledgers and high-precision math

Security (9)

Skill	Description
security-auditor-skill	Infrastructure security and zero-trust
security-engineer-skill	DevSecOps and vulnerability management
penetration-tester-skill	Ethical hacking and security testing
ad-security-reviewer-skill	Active Directory security analysis
compliance-auditor-skill	SOC2, HIPAA, GDPR compliance
powershell-security-hardening-skill	Windows security configuration
risk-manager-skill	Financial and operational risk assessment
legal-advisor-skill	Contracts, compliance, and IP guidance
dependency-manager-skill	Package management and supply chain security

Testing & Quality (6)

Skill	Description
test-automator-skill	Test framework selection and automation
qa-expert-skill	Test strategy and quality processes
accessibility-tester-skill	WCAG 2.1 AA compliance and audits
performance-testing-skill	Load testing and performance optimization
performance-engineer-skill	Application optimization and profiling
code-reviewer-skill	Quality-focused code review with security

Debugging & Analysis (5)

Skill	Description
debugger-skill	Advanced debugging and root cause analysis
error-detective-skill	Error pattern analysis across microservices
error-detector-skill	Error analysis and pattern detection
error-coordinator-skill	Multi-agent resilience and self-healing
codebase-exploration-skill	Deep contextual grep for codebases

Documentation (6)

Skill	Description
document-writer-skill	Technical docs, ADRs, and RFCs
documentation-engineer-skill	Documentation systems and knowledge sharing
technical-writer-skill	API docs, user guides, and tutorials
api-documenter-skill	OpenAPI/Swagger specifications
docx-skill	Word document automation
pptx-skill	PowerPoint automation
pdf-skill	PDF generation and manipulation
xlsx-skill	Excel workflow automation

Windows & PowerShell (7)

Skill	Description
windows-infra-admin-skill	AD, DNS/DHCP, and Group Policy
m365-admin-skill	Microsoft 365 administration and Graph API
powershell-5.1-expert-skill	Legacy Windows PowerShell with WMI/ADSI
powershell-7-expert-skill	Cross-platform PowerShell Core
powershell-module-architect-skill	PowerShell module design and structure
powershell-ui-architect-skill	PowerShell GUI/TUI with WinForms/WPF
it-ops-orchestrator-skill	Cross-domain IT task coordination

Project Management (7)

Skill	Description
product-manager-skill	Product strategy and roadmap development
project-manager-skill	Traditional and agile project management
scrum-master-skill	Scrum facilitation and team coaching
business-analyst-skill	Requirements engineering and BPMN
bmad-bmm-analyst-skill	BMAD methodology business analysis
bmad-master-skill	BMAD workflow orchestration
ux-researcher-skill	User research and behavior analysis

Research & Analysis (5)

Skill	Description
research-analyst-skill	Multi-source research and synthesis
market-researcher-skill	Market analysis and consumer insights
competitive-analyst-skill	Competitor analysis and positioning
search-specialist-skill	Advanced information retrieval
technical-advisory-skill	Expert guidance for architecture decisions

Communication & Marketing (5)

Skill	Description
content-marketer-skill	Content strategy and SEO storytelling
sales-engineer-skill	Technical demos and PoC validation
customer-success-manager-skill	Onboarding, adoption, and retention
internal-comms-skill	Corporate communication and change management
seo-specialist-skill	Search rankings and organic traffic

Agent Orchestration (7)

Skill	Description
agent-organizer-skill	Multi-agent system design and orchestration
multi-agent-coordinator-skill	100+ agent coordination with scaling
task-distributor-skill	Load balancing and token economics
performance-monitor-skill	Agent benchmarking and latency analysis
explore-skill	Contextual grep for codebase exploration
librarian-skill	External reference and documentation search
oracle-skill	Expert reasoning for complex decisions
general-skill	General-purpose research and task execution
plan-skill	Strategic planning and task breakdown

Developer Tools (5)

Skill	Description
tooling-engineer-skill	CLI utilities and IDE extensions
cli-developer-skill	Command-line and terminal interfaces
git-workflow-manager-skill	Git branching and collaboration strategies
dx-optimizer-skill	Developer portals and DORA metrics
skill-creator-skill	Guide for creating new skills

Specialized (6)

Skill	Description
blockchain-developer-skill	Smart contracts and DeFi protocols
wordpress-master-skill	WordPress themes, plugins, and scaling
slack-expert-skill	Slack app development with Bolt
multimodal-looker-skill	PDF, image, and diagram analysis

Skill File Format

All skills use YAML frontmatter with markdown content:

---
name: skill-name
description: Third-person description with trigger phrases. Use when...
---

# Skill Content

Instructions, patterns, and best practices...

Requirements

• name: lowercase, hyphens only, max 64 characters
• description: third-person voice, max 1024 characters, include trigger phrases
• content: under 500 lines (use REFERENCE.md for large skills)

Progressive Disclosure

Large skills (500+ lines) are split into:

• SKILL.md / skill.yaml - Core instructions (under 500 lines)
• REFERENCE.md - Detailed patterns and templates
• EXAMPLES.md - Code examples and use cases

Anthropic Compliance

This collection follows the official Anthropic skill specification:

• Case-sensitive SKILL.md filenames (main branch)
• Clean frontmatter (only name and description)
• Third-person descriptions with trigger terms
• Progressive disclosure for large skills

Contributing

1. Fork the repository
2. Create a skill directory: my-skill-skill/
3. Add SKILL.md with proper frontmatter
4. Follow existing patterns in similar skills
5. Submit a pull request

License

MIT License - Free to use and modify.

Resources

• Anthropic Skills Documentation
• Anthropic Best Practices
• Gemini CLI Skills
• Antigravity Documentation