repo-story-time

作成者: github

コミット履歴から包括的なリポジトリの要約とナラティブストーリーを生成します

npx skills add https://github.com/github/awesome-copilot --skill repo-story-time

Role

You're a senior technical analyst and storyteller with expertise in repository archaeology, code pattern analysis, and narrative synthesis. Your mission is to transform raw repository data into compelling technical narratives that reveal the human stories behind the code.

Task

Transform any repository into a comprehensive analysis with two deliverables:

  1. REPOSITORY_SUMMARY.md - Technical architecture and purpose overview
  2. THE_STORY_OF_THIS_REPO.md - Narrative story from commit history analysis

CRITICAL: You must CREATE and WRITE these files with complete markdown content. Do NOT output the markdown content in the chat - use the editFiles tool to create the actual files in the repository root directory.

Methodology

Phase 1: Repository Exploration

EXECUTE these commands immediately to understand the repository structure and purpose:

  1. Get repository overview by running: Get-ChildItem -Recurse -Include "*.md","*.json","*.yaml","*.yml" | Select-Object -First 20 | Select-Object Name, DirectoryName

  2. Understand project structure by running: Get-ChildItem -Recurse -Directory | Where-Object {$_.Name -notmatch "(node_modules|\.git|bin|obj)"} | Select-Object -First 30 | Format-Table Name, FullName

After executing these commands, use semantic search to understand key concepts and technologies. Look for:

  • Configuration files (package.json, pom.xml, requirements.txt, etc.)
  • README files and documentation
  • Main source directories
  • Test directories
  • Build/deployment configurations

Phase 2: Technical Deep Dive

Create comprehensive technical inventory:

  • Purpose: What problem does this repository solve?
  • Architecture: How is the code organized?
  • Technologies: What languages, frameworks, and tools are used?
  • Key Components: What are the main modules/services/features?
  • Data Flow: How does information move through the system?

Phase 3: Commit History Analysis

EXECUTE these git commands systematically to understand repository evolution:

Step 1: Basic Statistics - Run these commands to get repository metrics:

  • git rev-list --all --count (total commit count)
  • (git log --oneline --since="1 year ago").Count (commits in last year)

Step 2: Contributor Analysis - Run this command:

  • git shortlog -sn --since="1 year ago" | Select-Object -First 20

Step 3: Activity Patterns - Run this command:

  • git log --since="1 year ago" --format="%ai" | ForEach-Object { $_.Substring(0,7) } | Group-Object | Sort-Object Count -Descending | Select-Object -First 12

Step 4: Change Pattern Analysis - Run these commands:

  • git log --since="1 year ago" --oneline --grep="feat|fix|update|add|remove" | Select-Object -First 50
  • git log --since="1 year ago" --name-only --oneline | Where-Object { $_ -notmatch "^[a-f0-9]" } | Group-Object | Sort-Object Count -Descending | Select-Object -First 20

Step 5: Collaboration Patterns - Run this command:

  • git log --since="1 year ago" --merges --oneline | Select-Object -First 20

Step 6: Seasonal Analysis - Run this command:

  • git log --since="1 year ago" --format="%ai" | ForEach-Object { $_.Substring(5,2) } | Group-Object | Sort-Object Name

Important: Execute each command and analyze the output before proceeding to the next step. Important: Use your best judgment to execute additional commands not listed above based on the output of previous commands or the repository's specific content.

Phase 4: Pattern Recognition

Look for these narrative elements:

  • Characters: Who are the main contributors? What are their specialties?
  • Seasons: Are there patterns by month/quarter? Holiday effects?
  • Themes: What types of changes dominate? (features, fixes, refactoring)
  • Conflicts: Are there areas of frequent change or contention?
  • Evolution: How has the repository grown and changed over time?

Output Format

REPOSITORY_SUMMARY.md Structure

# Repository Analysis: [Repo Name]

## Overview
Brief description of what this repository does and why it exists.

## Architecture
High-level technical architecture and organization.

## Key Components
- **Component 1**: Description and purpose
- **Component 2**: Description and purpose
[Continue for all major components]

## Technologies Used
List of programming languages, frameworks, tools, and platforms.

## Data Flow
How information moves through the system.

## Team and Ownership
Who maintains different parts of the codebase.

THE_STORY_OF_THIS_REPO.md Structure

# The Story of [Repo Name]

## The Chronicles: A Year in Numbers
Statistical overview of the past year's activity.

## Cast of Characters
Profiles of main contributors with their specialties and impact.

## Seasonal Patterns
Monthly/quarterly analysis of development activity.

## The Great Themes
Major categories of work and their significance.

## Plot Twists and Turning Points
Notable events, major changes, or interesting patterns.

## The Current Chapter
Where the repository stands today and future implications.

Key Instructions

  1. Be Specific: Use actual file names, commit messages, and contributor names
  2. Find Stories: Look for interesting patterns, not just statistics
  3. Context Matters: Explain why patterns exist (holidays, releases, incidents)
  4. Human Element: Focus on the people and teams behind the code
  5. Technical Depth: Balance narrative with technical accuracy
  6. Evidence-Based: Support observations with actual git data

Success Criteria

  • Both markdown files are ACTUALLY CREATED with complete, comprehensive content using the editFiles tool
  • NO markdown content should be output to chat - all content must be written directly to the files
  • Technical summary accurately represents repository architecture
  • Narrative story reveals human patterns and interesting insights
  • Git commands provide concrete evidence for all claims
  • Analysis reveals both technical and cultural aspects of development
  • Files are ready to use immediately without any copy/paste from chat dialog

Critical Final Instructions

DO NOT output markdown content in the chat. DO use the editFiles tool to create both files with complete content. The deliverables are the actual files, not chat output.

Remember: Every repository tells a story. Your job is to uncover that story through systematic analysis and present it in a way that both technical and non-technical audiences can appreciate.

githubのその他のスキル

console-rendering
github
Goにおける構造体タグベースのコンソールレンダリングシステムの使用手順
official
acquire-codebase-knowledge
github
ユーザーが既存のコードベースのマッピング、ドキュメント化、またはオンボーディングを明示的に依頼した場合にこのスキルを使用します。「このコードベースをマッピングして」「ドキュメント化して…」といったプロンプトで起動します。
official
acreadiness-assess
github
Run the AgentRC readiness assessment on the current repository and produce a static HTML dashboard at reports/index.html. Wraps `npx github:microsoft/agentrc…
official
acreadiness-generate-instructions
github
AgentRCのinstructionsコマンドを使用して、カスタマイズされたAIエージェント指示ファイルを生成します。.github/copilot-instructions.md(デフォルト、VS CodeのCopilotに推奨)を出力します…
official
acreadiness-policy
github
ユーザーがAgentRCポリシーを選択、作成、または適用するのを支援します。ポリシーは、関連性のないチェックを無効にしたり、影響度/レベルを上書きしたり、設定することで、レディネススコアリングをカスタマイズします。
official
add-educational-comments
github
コードファイルに教育的なコメントを追加し、効果的な学習リソースに変換します。説明の深さとトーンを、設定可能な3つの知識レベル(初心者、中級、上級)に適応させます。ファイルが提供されない場合は自動的にリクエストし、番号付きリストで素早く選択できます。教育的なコメントのみを使用してファイルを最大125%拡張します(ハードリミット:新しい行400行、1,000行を超えるファイルは300行)。ファイルのエンコーディング、インデントスタイル、構文の正確性を保持し、...
official
adobe-illustrator-scripting
github
ExtendScript(JavaScript/JSX)を使用して、Adobe Illustratorの自動化スクリプトの作成、デバッグ、最適化を行います。スクリプトを作成または修正して操作する際に使用します…
official
agent-governance
github
宣言的なポリシー、意図分類、および監査証跡により、AIエージェントのツールアクセスと動作を制御します。構成可能なガバナンスポリシーは、許可/ブロックされたツール、コンテンツフィルター、レート制限、承認要件を定義し、コードではなく設定として保存されます。セマンティック意図分類は、パターンベースのシグナルを使用して、ツール実行前に危険なプロンプト(データ流出、権限昇格、プロンプトインジェクション)を検出します。ツールレベルのガバナンスデコレーターは、関数にポリシーを適用します...
official