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Agent skill

Cpp Coding Standards

by affaan-m in affaan-m/ECC

C++コアガイドラインに基づくC++コーディング標準（isocpp.github.io）。現代的で安全で慣用的なプラクティスを強制するためにC++コードを書き、レビュー、またはリファクタリングする場合に使用します。

MITAuto-check passedDevelopment

Install Cpp Coding Standards

skills CLI
$ npx skills add affaan-m/ECC --skill cpp-coding-standards -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install affaan-m/ECC cpp-coding-standards --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/affaan-m/ECC.git skills-src && mkdir -p .claude/skills && cp -r skills-src/docs/ja-JP/skills/cpp-coding-standards .claude/skills/cpp-coding-standards && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
cpp-coding-standards
GitHub stars
274k
Token cost
~313 tokens
SKILL.md length
55 words
Files
1
Skills in repo
657
Repo updated
First seen
Licence
MIT

At a glance

C++コアガイドラインに基づくC++コーディング標準（isocpp.github.io）。現代的で安全で慣用的なプラクティスを強制するためにC++コードを書き、レビュー、またはリファクタリングする場合に使用します。

  • Works in 6 steps: 至るところにRAII：リソースライフタイムをオブジェクトライフタイムにバインド → デフォルトで不変性：const/constexprで開始；変更可能性は例外 → タイプセーフティ：型システムを使用してコンパイル時にエラーを防止 → …
  • Tasks that involve Code quality
  • SKILL.md covers 使用時期, クロスカッティング原則, 主要なルール and スマートポインタと所有権
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Cpp Coding Standards is an agent skill from affaan-m/ECC. C++コアガイドラインに基づくC++コーディング標準（isocpp.github.io）。現代的で安全で慣用的なプラクティスを強制するためにC++コードを書き、レビュー、またはリファクタリングする場合に使用します。

Its SKILL.md is about 310 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Development, covering Code quality. It works with C++ and GitHub. The repository describes itself as: The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond. The licence is MIT.

When your agent uses it

  • Tasks that involve Code quality

Example prompts

  • “/cpp-coding-standards”

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. 至るところにRAII：リソースライフタイムをオブジェクトライフタイムにバインド
  2. デフォルトで不変性：const/constexprで開始；変更可能性は例外
  3. タイプセーフティ：型システムを使用してコンパイル時にエラーを防止
  4. 意図を表現：名前、タイプ、概念は目的を伝える必要があります
  5. 複雑性を最小化：シンプルなコードが正しいコード
  6. 値セマンティクス対ポインタセマンティクス：値で返すか、スコープ付きオブジェクトを好む

What it can do on your machine

Read from SKILL.md and the folder at commit ef648e0. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Cpp Coding Standards loads about 313 tokens when it runs. Until then it costs about 32 tokens; SKILL.md has 55 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~32
When it runs · the whole SKILL.md, loaded when a task matches
~313

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from affaan-m/ECC at commit ef648e0, republished under its MIT licence (© affaan-m). 55 words, ~313 tokens.

Download SKILL.mdSave it as .claude/skills/cpp-coding-standards/SKILL.md (or your agent's skills folder).
name
cpp-coding-standards
description
C++コアガイドラインに基づくC++コーディング標準（isocpp.github.io）。現代的で安全で慣用的なプラクティスを強制するためにC++コードを書き、レビュー、またはリファクタリングする場合に使用します。
origin
ECC

C++コーディング標準（C++コアガイドライン）

C++コアガイドラインから派生した最新のC++（C++17/20/23）の包括的なコーディング標準。タイプセーフティ、リソースセーフティ、不変性、明確性を強制します。

使用時期

  • 新しいC++コードを書く（クラス、関数、テンプレート）
  • 既存のC++コードをレビューまたはリファクタリング
  • C++プロジェクトでアーキテクチャ決定を行う
  • C++コードベース全体で一貫性のあるスタイルを実施
  • 言語機能の選択（例：enum vs enum class、生ポインタ対スマートポインタ）

クロスカッティング原則

これらのテーマはガイドライン全体に繰り返され、基礎を形成：

  1. 至るところにRAII：リソースライフタイムをオブジェクトライフタイムにバインド
  2. デフォルトで不変性：const/constexprで開始；変更可能性は例外
  3. タイプセーフティ：型システムを使用してコンパイル時にエラーを防止
  4. 意図を表現：名前、タイプ、概念は目的を伝える必要があります
  5. 複雑性を最小化：シンプルなコードが正しいコード
  6. 値セマンティクス対ポインタセマンティクス：値で返すか、スコープ付きオブジェクトを好む

主要なルール

RuleSummary
P.1コード内のアイデアを直接表現
P.3意図を表現
P.4理想的には、プログラムは静的にタイプセーフである必要があります
P.5ランタイムチェックに対するコンパイル時チェック
P.8リソースをリークしない
P.10変更可能なデータより不変データを好む
I.1インターフェースを明示的にする
I.2非const グローバル変数を避ける
I.4インターフェースを正確にし、強く型付けされたものにする

スマートポインタと所有権

現代的なC++では、生ポインタの代わりにスマートポインタを使用：

  • std::unique_ptr<T> 単一所有者向け
  • std::shared_ptr<T> 共有所有権向け
  • std::weak_ptr<T> 循環参照を回避するため

© affaan-m, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in docs/ja-JP/skills/cpp-coding-standards of affaan-m/ECC.

Open the folder on GitHubat commit ef648e0

Compare with similar skills

Cpp Coding Standards next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Cpp Coding Standards compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Cpp Coding Standards this skillaffaan-m/ECC274k—~313Automated safety check: PassMIT
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Qt C++ Code Reviewx-tools-author/x-tools1.1k2 repos~4.3kAutomated safety check: PassBSD-3-Clause
pybind11 Release Publicationpybind/pybind1118k—~2.5kAutomated safety check: PassCustom licence
OBS Plugin Dependency Upgradesorayuki/obs-multi-rtmp5.1k—~609Automated safety check: PassGPL-2.0

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Works with

Categories

Questions about Cpp Coding Standards

What does Cpp Coding Standards do?

C++コアガイドラインに基づくC++コーディング標準（isocpp.github.io）。現代的で安全で慣用的なプラクティスを強制するためにC++コードを書き、レビュー、またはリファクタリングする場合に使用します。. Cpp Coding Standards is an agent skill from affaan-m/ECC.

When should I use Cpp Coding Standards?

Cpp Coding Standards fits situations like: tasks that involve Code quality.

How do I install Cpp Coding Standards in Claude Code?

Run `npx skills add affaan-m/ECC --skill cpp-coding-standards -a claude-code`. Or copy the skill folder (docs/ja-JP/skills/cpp-coding-standards in affaan-m/ECC) into .claude/skills/cpp-coding-standards in your project. Claude Code loads it when a task matches its description.

How do I install Cpp Coding Standards in Codex?

Run `npx skills add affaan-m/ECC --skill cpp-coding-standards -a codex`. Or copy the skill folder (docs/ja-JP/skills/cpp-coding-standards in affaan-m/ECC) into .agents/skills/cpp-coding-standards in your project. Codex loads it when a task matches its description.

Can I use Cpp Coding Standards in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add affaan-m/ECC --skill cpp-coding-standards -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/cpp-coding-standards, .gemini/skills/cpp-coding-standards, .github/skills/cpp-coding-standards and .opencode/skills/cpp-coding-standards in your project.

What does Cpp Coding Standards need to run?

SKILL.md names no scripts, command-line tools or credentials: Cpp Coding Standards is instructions for the agent only.

Does Cpp Coding Standards access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Cpp Coding Standards safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Cpp Coding Standards use?

Cpp Coding Standards is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Cpp Coding Standards use?

About 313 tokens (SKILL.md is roughly 1.3k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Cpp Coding Standards?

Skills that share tags, products or a category with Cpp Coding Standards: Cpp Coding Standards (xu-xiang/everything-claude-code-zh, 2k stars), Add Opik Code Quality Hook (comet-ml/opik, 22k stars), Qt C++ Code Review (x-tools-author/x-tools, 1.1k stars) and pybind11 Release Publication (pybind/pybind11, 18k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Cpp Coding Standards?

affaan-m (a GitHub user) maintains it in affaan-m/ECC, which has 274,360 GitHub stars. The repository holds 657 skills in this directory. The repository was last updated on October 5, 2026.

Source: affaan-m/ECC on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.