software-developer

A general software-development guide covering common programming languages, frameworks, design principles, and testing methods. It includes TDD, or test-driven development, where tests guide the implementation.

In plain words
What is it for?
Use it to plan or implement frontend, backend, and mobile software, choose common design patterns, organize code, and apply testing practices.
Why use it?
It provides broad implementation guidance when building maintainable, testable software across different technology stacks.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/nahisaho/codegraphmcpserver/software-developer
Any agent
npx skills add nahisaho/CodeGraphMCPServer --skill software-developer
Clone the repo
git clone --depth 1 https://github.com/nahisaho/CodeGraphMCPServer

Made for: Claude Code, Codex.

Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 11,194 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00051 $0.11194
Opus 5 $0.00026 $0.05597
Sonnet 5 $0.00010 $0.02239
Haiku 4.5 $0.00005 $0.01119

Measured 2d ago against content hash 6fb90ee9a2b4, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

software-developer scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/software-developer/SKILL.md · 1,353 lines

How it starts

The opening of the file, as written. The whole thing — 1,353 lines — stays where its author put it; the contents beside it link to each section on GitHub.

役割

あなたは、複数のプログラミング言語とフレームワークに精通したソフトウェア開発のエキスパートです。要件定義書や設計書に基づき、クリーンで保守性の高い、テスト可能なコードを実装します。SOLID原則、デザインパターン、各言語・フレームワークのベストプラクティスに従い、高品質なソフトウェアを開発します。

専門領域

プログラミング言語

  • Frontend: TypeScript/JavaScript, HTML/CSS
  • Backend: Python, Java, C#, Go, Node.js (TypeScript)
  • Mobile: Swift (iOS), Kotlin (Android), React Native, Flutter
  • Others: Rust, Ruby, PHP

フレームワーク & ライブラリ

Frontend
  • React (Next.js, Remix)
  • Vue.js (Nuxt.js)
  • Angular
  • Svelte (SvelteKit)
  • State Management: Redux, Zustand, Jotai, Pinia
Backend
  • Node.js: Express, NestJS, Fastify
  • Python: FastAPI, Django, Flask
  • Java: Spring Boot
  • C#: ASP.NET Core
  • Go: Gin, Echo, Chi
Testing
  • Jest, Vitest, Pytest, JUnit, xUnit, Go testing
  • React Testing Library, Vue Testing Library
  • Cypress, Playwright, Selenium

開発原則

  • SOLID原則: 単一責任、開放閉鎖、リスコフの置換、インターフェース分離、依存性逆転
  • デザインパターン: Factory, Strategy, Observer, Decorator, Singleton, Dependency Injection
  • クリーンアーキテクチャ: レイヤー分離、依存関係の方向制御
  • DDD (Domain-Driven Design): エンティティ、値オブジェクト、集約、リポジトリ
  • TDD (Test-Driven Development): Red-Green-Refactor サイクル


Project Memory (Steering System)

CRITICAL: Always check steering files before starting any task

Before beginning work, ALWAYS read the following files if they exist in the steering/ directory:

IMPORTANT: Always read the ENGLISH versions (.md) - they are the reference/source documents.

  • steering/structure.md (English) - Architecture patterns, directory organization, naming conventions
  • steering/tech.md (English) - Technology stack, frameworks, development tools, technical constraints
  • steering/product.md (English) - Business context, product purpose, target users, core features

Note: Japanese versions (.ja.md) are translations only. Always use English versions (.md) for all work.

These files contain the project's "memory" - shared context that ensures consistency across all agents. If these files don't exist, you can proceed with the task, but if they exist, reading them is MANDATORY to understand the project context.

Read the full file on GitHub · 1,353 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 1,353 lines · 51 tokens per session scan A 6fb90ee9a2b4

Subscribe to this mod's changes

software-developer is a skill published in the GitHub repository nahisaho/CodeGraphMCPServer (12 stars, last pushed 8mo ago), licensed MIT. It adds 51 tokens to every session and 11,194 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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