claude-code-skills
A comprehensive skills knowledge base covering the entire software development lifecycle — from design, implementation, testing to deployment. Systematized cross-platform development knowledge spanning iOS, Web, Backend, Scripting, DevOps, and quality assurance. 36 Skills / 952 guides / 43M+ characters.
Claude Code Skills
A systematic knowledge base covering all areas of software development.
From CS fundamentals to AI — 36 Skills / 952 guide files / 43M+ characters.
Status: Phase 2 Quality Review Complete — Errors 0 / Broken Links 0 / Avg Score 90.3/100
Phase 1 Complete — All guides expanded to 40KB+ 952/952 (100%)
[!NOTE]
Guide content is currently written in Japanese. English translation is planned.
Claude Code and other AI tools can interpret and utilize the guides regardless of language.
Overview
| Metric | Value |
|---|---|
| Skills | 36 |
| Guide Files | 952 |
| Total Characters | 43M+ |
| Categories | 8 |
| Phase 1 Progress | 952/952 (100%) |
| Phase 2 Progress | Complete (all 5 criteria met) |
| Avg Quality Score | 90.3/100 |
Categories
01-cs-fundamentals — Computer Science Fundamentals (4 Skills / 131 files)
| Skill | Files | Topics |
|---|---|---|
| computer-science-fundamentals | 55 | Hardware, data representation, theory of computation, programming paradigms |
| algorithm-and-data-structures | 24 | Algorithm design, data structures, complexity analysis |
| operating-system-guide | 20 | Process management, memory, file systems, kernel |
| programming-language-fundamentals | 32 | Type systems, compilers, language design, memory models |
02-programming — Programming Languages & Techniques (6 Skills / 118 files)
| Skill | Files | Topics |
|---|---|---|
| object-oriented-programming | 20 | SOLID principles, design patterns, inheritance vs composition |
| async-and-error-handling | 18 | Asynchronous processing, Promises, error handling strategies |
| typescript-complete-guide | 25 | Type system, generics, utility types |
| go-practical-guide | 18 | Goroutines, channels, practical Go patterns |
| rust-systems-programming | 25 | Ownership, lifetimes, unsafe, concurrency |
| regex-and-text-processing | 12 | Regular expressions, text processing, parsers |
03-software-design — Software Design & Quality (3 Skills / 58 files)
| Skill | Files | Topics |
|---|---|---|
| clean-code-principles | 20 | Naming conventions, function design, refactoring |
| design-patterns-guide | 20 | GoF patterns, architectural patterns |
| system-design-guide | 18 | Scalability, distributed systems, system design interviews |
04-web-and-network — Web & Networking (4 Skills / 75 files)
| Skill | Files | Topics |
|---|---|---|
| network-fundamentals | 20 | TCP/IP, DNS, HTTP, TLS |
| browser-and-web-platform | 18 | Rendering, DOM, Web APIs |
| web-application-development | 20 | Full-stack development, SPA/SSR, state management |
| api-and-library-guide | 17 | REST/GraphQL design, library selection |
05-infrastructure — Infrastructure & DevOps (7 Skills / 130 files)
| Skill | Files | Topics |
|---|---|---|
| linux-cli-mastery | 22 | Shell, commands, system administration |
| docker-container-guide | 22 | Containers, Docker Compose, multi-stage builds |
| aws-cloud-guide | 29 | EC2, Lambda, S3, IAM, VPC |
| devops-and-github-actions | 17 | CI/CD, GitHub Actions, automation |
| development-environment-setup | 14 | Editors, toolchains, dotfiles |
| windows-application-development | 14 | WPF, WinUI, Win32 API |
| version-control-and-jujutsu | 12 | Advanced Git, Jujutsu |
06-data-and-security — Data & Security (3 Skills / 63 files)
| Skill | Files | Topics |
|---|---|---|
| sql-and-query-mastery | 19 | SQL optimization, indexing, transactions |
| security-fundamentals | 25 | Encryption, OWASP, vulnerability mitigation |
| authentication-and-authorization | 19 | OAuth2, JWT, RBAC |
07-ai — AI & LLM (8 Skills / 125 files)
| Skill | Files | Topics |
|---|---|---|
| llm-and-ai-comparison | 20 | LLM model comparison, benchmarks |
| ai-analysis-guide | 16 | AI-powered data analysis, prompt design |
| ai-audio-generation | 14 | AI audio generation, music production |
| ai-visual-generation | 14 | AI image & video generation |
| ai-automation-and-monetization | 15 | AI automation, monetization strategies |
| ai-era-development-workflow | 15 | Development workflows in the AI era |
| ai-era-gadgets | 12 | AI gadgets, hardware |
| custom-ai-agents | 19 | AI agent design & implementation |
08-hobby — Hobby (1 Skill / 207 files)
| Skill | Files | Topics |
|---|---|---|
| dj-skills-guide | 207 | DJ techniques, Rekordbox, Ableton Live, music production |
Directory Structure
skills/
├── 01-cs-fundamentals/ # CS Fundamentals (4)
├── 02-programming/ # Programming (6)
├── 03-software-design/ # Design & Quality (3)
├── 04-web-and-network/ # Web & Networking (4)
├── 05-infrastructure/ # Infrastructure & DevOps (7)
├── 06-data-and-security/ # Data & Security (3)
├── 07-ai/ # AI & LLM (8)
├── 08-hobby/ # Hobby (1)
├── _original-skills/ # Pre-Phase 1 26 Skills (archived)
├── _legacy/ # Legacy directory
├── _meta/ # Project management (SESSION_ARCHIVE, etc.)
└── README.md
Internal Skill Structure
skill-name/
├── SKILL.md # Overview & table of contents
├── docs/ # Guide files (main content)
└── README.md # Usage instructions
Usage
With Claude Code
git clone https://github.com/Gaku52/claude-code-skills.git ~/.claude/skills
Claude Code automatically references ~/.claude/skills/. Skill knowledge is applied during development.
Manual Reference
# View a skill overview
cat ~/.claude/skills/02-programming/typescript-complete-guide/SKILL.md
# Read a specific guide
cat ~/.claude/skills/05-infrastructure/docker-container-guide/docs/multi-stage-build.md
Phase 2: Quality Review & Improvement (Complete)
All 952 files reviewed and fixed based on quality standards (QUALITY_STANDARDS.md).
Achievement Criteria
| Criterion | Target | Result |
|---|---|---|
| Errors | 0 | 0 (improved from 1,315) |
| P0/P1 Issues | All resolved | All resolved |
| Broken Links | 0 | 0 (improved from 1,859) |
| REVIEW_RESULTS | Complete | JSON + Markdown output done |
| Avg Score | 90/100+ | 90.3/100 |
Results by Category
| Category | Files | Errors | Warnings | Status |
|---|---|---|---|---|
| 01-cs-fundamentals | 135 | 0 | 180 | Pass |
| 02-programming | 124 | 0 | 283 | Pass |
| 03-software-design | 61 | 0 | 41 | Pass |
| 04-web-and-network | 79 | 0 | 160 | Pass |
| 05-infrastructure | 137 | 0 | 270 | Pass |
| 06-data-and-security | 66 | 0 | 93 | Pass |
| 07-ai | 133 | 0 | 242 | Pass |
| 08-hobby | 207 | 0 | 455 | Pass |
What was done: Added required sections, expanded content (11 template types), fixed broken links, improved detection patterns, implemented scoring system
Premium Guides
This knowledge base is free and open source. For deeper, production-focused content, premium guides are available:
| Guide | Description | Link |
|---|---|---|
| Building AI Agents with Claude SDK and MCP | 5,300+ words, 39 code examples, ProductionAgent class, MCP integration — based on shipping 7 agents to production | Get the guide ($19) |
License
MIT License - See LICENSE
Last updated: 2026-03-29
Version: 2.2.0 (Phase 2 Complete — Quality Review & Improvement)
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