Agent skill

Xs GitHub Repo Analyzer

by karaage0703 in karaage0703/ai-assistant-workspace

GitHubリポジトリの内容を詳しく分析するスキル。現行HEADを確認し、DeepWikiの索引commitの鮮度を検証して併用。リポジトリ構造・技術スタック・主要ファイルを整理して報告。「リポジトリ分析して」「このリポジトリ見て」で使用。

MITAuto-check passed

Install Xs GitHub Repo Analyzer

skills CLI
$ npx skills add karaage0703/ai-assistant-workspace --skill xs-github-repo-analyzer -a claude-code

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

GitHub CLI
$ gh skill install karaage0703/ai-assistant-workspace xs-github-repo-analyzer --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/karaage0703/ai-assistant-workspace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/xs-github-repo-analyzer .claude/skills/xs-github-repo-analyzer && 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
xs-github-repo-analyzer
GitHub stars
136
Token cost
~724 tokens
SKILL.md length
75 words
Files
2
Skills in repo
23
Repo updated
First seen
Licence
MIT

At a glance

GitHubリポジトリの内容を詳しく分析するスキル。現行HEADを確認し、DeepWikiの索引commitの鮮度を検証して併用。リポジトリ構造・技術スタック・主要ファイルを整理して報告。「リポジトリ分析して」「このリポジトリ見て」で使用。

  • Works in 5 steps: リポジトリ情報の正規化 → 現行HEADとDeepWikiの情報を取得 → 現行コードで主要な主張を確認 → …
  • SKILL.md covers 手順(必ずこの順番で実行), 注意点 and 使用例
  • Calls gh and git; reaches github.com and deepwiki.com

What it does

Xs GitHub Repo Analyzer is an agent skill from karaage0703/ai-assistant-workspace. GitHubリポジトリの内容を詳しく分析するスキル。現行HEADを確認し、DeepWikiの索引commitの鮮度を検証して併用。リポジトリ構造・技術スタック・主要ファイルを整理して報告。「リポジトリ分析して」「このリポジトリ見て」で使用。

Its SKILL.md is about 720 tokens, which your agent loads only when the skill is triggered. The skill folder holds 1 other file (for example `README.md`).

It works with GitHub. The licence is MIT.

Example prompts

  • “/xs-github-repo-analyzer”

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. リポジトリ情報の正規化
  2. 現行HEADとDeepWikiの情報を取得
  3. 現行コードで主要な主張を確認
  4. レポート生成
  5. 保存(求められた場合)

What it can do on your machine

Read from SKILL.md and the folder at commit c689862. 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

    Shell commands in SKILL.md call:

    • gh
    • git

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

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • github.com
    • deepwiki.com

    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

Xs GitHub Repo Analyzer loads about 724 tokens when it runs. Until then it costs about 36 tokens; SKILL.md has 75 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~36
When it runs · the whole SKILL.md, loaded when a task matches
~724

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 karaage0703/ai-assistant-workspace at commit c689862, republished under its MIT licence (© karaage0703). 75 words, ~724 tokens.

Download SKILL.mdSave it as .claude/skills/xs-github-repo-analyzer/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
xs-github-repo-analyzer
description
GitHubリポジトリの内容を詳しく分析するスキル。現行HEADを確認し、DeepWikiの索引commitの鮮度を検証して併用。リポジトリ構造・技術スタック・主要ファイルを整理して報告。「リポジトリ分析して」「このリポジトリ見て」で使用。

GitHub Repo Analyzer

GitHubリポジトリの内容を詳しく分析し、構造化レポートを生成する。

手順(必ずこの順番で実行)

Step 1: リポジトリ情報の正規化

ユーザー入力から owner/repo を抽出:

  • https://github.com/owner/repo → owner/repo
  • owner/repo → そのまま使用
Step 2: 現行HEADとDeepWikiの情報を取得

最初にGitHubでdefault branchと現行HEADを確認する。

bash
is_private="$(gh api repos/<owner>/<repo> --jq '.private')"
default_branch="$(gh api repos/<owner>/<repo> --jq '.default_branch')"
head_sha="$(gh api repos/<owner>/<repo>/commits/"$default_branch" --jq '.sha')"

以後のソース確認はこのSHAを基準にする。is_private=true の場合はDeepWikiの取得を省略する。

2a. Deepwikiで詳細情報を取得(並行実行):

公開リポジトリの場合だけ、利用できるWeb取得ツールで https://deepwiki.com/<owner>/<repo> にアクセス。非公開リポジトリの識別子やコードはDeepWikiへ送らず、GitHubの許可された読み取り経路を使う。

取得する情報: 概要・目的、アーキテクチャ・設計思想、ディレクトリ構造、技術スタック、主要コンポーネント

2b. gh CLIでメタ情報を取得(並行実行):

bash
gh repo view <owner>/<repo> --json name,description,stargazerCount,forkCount,licenseInfo,primaryLanguage,createdAt,updatedAt

Star数・Fork数・ライセンス・作成日などはDeepwikiにないため、常にgh CLIで取得する。

DeepWikiの Last indexed のcommitリンクから索引SHAを取得し、GitHubの現行HEADと比較する。

bash
gh api repos/<owner>/<repo>/compare/<index_sha>..."$head_sha" \
  --jq '{status, ahead_by, behind_by, total_commits}'
  • SHA一致: 現行版の補助解説として使う。
  • HEADが先行: 差分があることを示し、主要な主張を現行コードで確認する。
  • SHA不明・比較不能・分岐: 鮮度を検証できないと明記し、現在の仕様をDeepWikiだけで断定しない。

いずれの場合もStep 3で主要な機能・構成を確認する。

Step 3: 現行コードで主要な主張を確認

DeepWikiの取得成否にかかわらず、README・主要コード・設定を確認する。

bash
# リポジトリのメタ情報取得
gh repo view <owner>/<repo>

# READMEを取得
gh api "repos/<owner>/<repo>/readme?ref=$head_sha" --jq '.content' | base64 -d

# ディレクトリ構造を取得(ルート)
gh api "repos/<owner>/<repo>/contents?ref=$head_sha"

# 言語構成を取得
gh api repos/<owner>/<repo>/languages

必要に応じて /tmp にcloneして詳細分析:

bash
repo_tmp="$(mktemp -d)"
gh repo clone <owner>/<repo> "$repo_tmp" -- --depth 1
git -C "$repo_tmp" fetch origin "$head_sha"
git -C "$repo_tmp" checkout --detach "$head_sha"

分析後は今回作成した repo_tmp だけを、環境のゴミ箱など復元可能な方法で片付ける。他の既存checkoutを削除しない。片付け手段がなければ保存場所を報告する。

Step 4: レポート生成

以下の形式で整理して報告:

## <owner>/<repo> 分析レポート

https://github.com/<owner>/<repo>

### 概要
[リポジトリの目的・何をするものか]
- Star: [数] / Fork: [数]
- 作成: [日付] / 最終更新: [日付]

### 情報鮮度
- 確認したGitHub HEAD: [SHA]
- DeepWiki: [索引SHAと差分 / 未索引 / 検証不能]

### 技術スタック
- 言語: [主要言語]
- フレームワーク: [使用フレームワーク]
- 主要ライブラリ: [依存関係]

### ディレクトリ構造
[主要ディレクトリとその役割]

### アーキテクチャ
[設計思想・パターン]

### 主要ファイル
[重要なファイルとその役割]

### ライセンス
[ライセンス情報]

### 所感
[特筆すべき点、参考になる設計、気になった点]
Step 5: 保存(求められた場合)

note-taking スキルの手順に従い notes/ に保存。

注意点

  • Deepwikiはオープンリポジトリのみ対応。プライベートリポジトリは gh CLI を使う
  • cloneは毎回固有の一時ディレクトリへ作成し、確認対象のSHAを固定する
  • 大規模リポジトリの場合、全ファイルを読むのではなく構造とREADMEから把握する

使用例

このリポジトリ分析して: owner/repo
https://github.com/owner/repo を見て

© karaage0703, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file in skills/xs-github-repo-analyzer of karaage0703/ai-assistant-workspace.

  • SKILL.md
  • README.md

Open the folder on GitHubat commit c689862

Compare with similar skills

Xs GitHub Repo Analyzer 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.

Xs GitHub Repo Analyzer compared with similar skills
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Xs GitHub Repo Analyzer this skillkaraage0703/ai-assistant-workspace136—~724Automated safety check: PassMIT
PR Babysitteropeninterpreter/openinterpreter69k3 repos~4.2kAutomated safety check: PassApache-2.0
Greplooponyx-dot-app/onyx32k4 repos~3.3kAutomated safety check: PassMIT
GitHub Deep Researchbytedance/deer-flow84k4 repos~1.3kAutomated safety check: PassMIT
Diagnosing Superpowers Sessionsobra/superpowers297k3 repos~1.7kAutomated safety check: PassMIT
Update V8 Versionopeninterpreter/openinterpreter69k2 repos~845Automated safety check: PassApache-2.0

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Works with

Questions about Xs GitHub Repo Analyzer

What does Xs GitHub Repo Analyzer do?

GitHubリポジトリの内容を詳しく分析するスキル。現行HEADを確認し、DeepWikiの索引commitの鮮度を検証して併用。リポジトリ構造・技術スタック・主要ファイルを整理して報告。「リポジトリ分析して」「このリポジトリ見て」で使用。. Xs GitHub Repo Analyzer is an agent skill from karaage0703/ai-assistant-workspace.

How do I install Xs GitHub Repo Analyzer in Claude Code?

Run `npx skills add karaage0703/ai-assistant-workspace --skill xs-github-repo-analyzer -a claude-code`. Or copy the skill folder (skills/xs-github-repo-analyzer in karaage0703/ai-assistant-workspace) into .claude/skills/xs-github-repo-analyzer in your project. Claude Code loads it when a task matches its description.

How do I install Xs GitHub Repo Analyzer in Codex?

Run `npx skills add karaage0703/ai-assistant-workspace --skill xs-github-repo-analyzer -a codex`. Or copy the skill folder (skills/xs-github-repo-analyzer in karaage0703/ai-assistant-workspace) into .agents/skills/xs-github-repo-analyzer in your project. Codex loads it when a task matches its description.

Can I use Xs GitHub Repo Analyzer 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 karaage0703/ai-assistant-workspace --skill xs-github-repo-analyzer -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/xs-github-repo-analyzer, .gemini/skills/xs-github-repo-analyzer, .github/skills/xs-github-repo-analyzer and .opencode/skills/xs-github-repo-analyzer in your project.

What does Xs GitHub Repo Analyzer need to run?

Going by SKILL.md and its folder, Xs GitHub Repo Analyzer needs the command-line tools its instructions call (gh and git).

Does Xs GitHub Repo Analyzer access the network?

SKILL.md names 2 domains. In commands or code: github.com and deepwiki.com; the agent is likely to contact these when it follows the instructions. This is read from the text; nothing was executed.

Is Xs GitHub Repo Analyzer 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 Xs GitHub Repo Analyzer use?

Xs GitHub Repo Analyzer 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 Xs GitHub Repo Analyzer use?

About 724 tokens (SKILL.md is roughly 2.9k 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 Xs GitHub Repo Analyzer?

Skills that share tags, products or a category with Xs GitHub Repo Analyzer: PR Babysitter (openinterpreter/openinterpreter, 69k stars), Greploop (onyx-dot-app/onyx, 32k stars), GitHub Deep Research (bytedance/deer-flow, 84k stars) and Diagnosing Superpowers Sessions (obra/superpowers, 297k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Xs GitHub Repo Analyzer?

karaage0703 (a GitHub user) maintains it in karaage0703/ai-assistant-workspace, which has 136 GitHub stars. The repository holds 23 skills in this directory. The repository was last updated on September 23, 2026.

Source: karaage0703/ai-assistant-workspace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.