github-pr-review

majiayu000's avatarfrom majiayu000

Extract and review GitHub Pull Requests with comprehensive analysis

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[Code Review]

When & Why to Use This Skill

The GitHub PR Review skill automates the extraction and analysis of GitHub Pull Requests, providing a structured methodology for comprehensive code reviews. By fetching metadata, commits, comments, and diffs via the GitHub API, it helps developers identify issues in code quality, security, and testing, significantly accelerating the PR approval workflow and ensuring high standards of software engineering.

Use Cases

  • Streamlining Peer Reviews: Automatically generate detailed summaries and initial findings for complex Pull Requests to save time for senior reviewers and focus on critical logic.
  • Security and Compliance Auditing: Systematically analyze PR diffs for potential security vulnerabilities and ensure adherence to organizational coding standards and best practices.
  • Centralized Review Documentation: Maintain a structured, searchable history of PR extractions and reviews within a local directory for future reference, team knowledge sharing, and audit trails.
  • Developer Mentorship: Provide junior developers with consistent, high-quality feedback based on a structured review methodology to improve code quality across the team.
namegithub-pr-review
descriptionExtract and review GitHub Pull Requests with comprehensive analysis

GitHub PR Review Skill

Purpose

This skill extracts comprehensive GitHub Pull Request data and provides a structured methodology for code review. It fetches PR metadata, commits, comments, reviews, file changes, and diffs via the GitHub API, then guides analysis across code quality, security, testing, and best practices.

When to Use

Use this skill when you need to:

  • Review a GitHub Pull Request
  • Extract detailed PR information for analysis
  • Generate a comprehensive PR summary
  • Provide structured code review feedback

Prerequisites

Required Tools

  • curl - for GitHub API requests
  • jq - for JSON parsing
  • git - for repository operations

Environment

  • GITHUB_TOKEN - GitHub personal access token (optional for public repos, required for private)

Usage

Use the pr-reviewer agent for context isolation:

/review-pr https://github.com/owner/repo/pull/123

Direct Skill Invocation

Follow the instructions in instructions.md:

  1. Run extraction:
$HOME/.claude/skills/github-pr-review/scripts/extract.sh \
  --owner <owner> --repo <repo> --pr <number>

  1. Read the generated extract.md from the output directory

  2. Apply the review methodology from instructions.md

  3. Save the review to review.md in the same directory

What Gets Extracted

Data Source
PR metadata Title, author, URL, description
Commit history All commits with SHA, title, description, author
Comments General PR comments with timestamps
Review comments Line-specific comments with file:line context
Reviews Approval states (APPROVED, CHANGES_REQUESTED, etc.)
File changes Diffs and full post-change content
Documentation links Auto-detected based on file types

Output

The skill creates a directory structure for each PR review:

$BRAIN_HOME/github-pr-reviews/{owner}/{repo}/pr-{number}/
├── extract.md    # Raw PR data from GitHub API
└── review.md     # Structured analysis with summary, findings, and verdict

This organization:

  • Keeps all PR reviews in a central location
  • Preserves review history for future reference
  • Groups reviews by repository for easy navigation

Integration

  • Agent: agents/pr-reviewer.md - runs skill in isolated context
  • Command: commands/review-pr.md - invokes the agent