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pr-reviewer

by @briancolinger

Automated GitHub PR code review with diff analysis, lint integration, and structured reports. Use when reviewing pull requests, checking for security issues,...

Versionv1.0.1
Downloads7,249
Installs53
Comments2
TERMINAL
clawhub install pr-reviewer

πŸ“– About This Skill


name: pr-reviewer version: 1.0.1 description: Automated GitHub PR code review with diff analysis, lint integration, and structured reports. Use when reviewing pull requests, checking for security issues, error handling gaps, test coverage, or code style problems. Supports Go, Python, and JavaScript/TypeScript. Requires gh CLI authenticated with repo access. metadata: openclaw: requires: bins: ["gh", "python3"] anyBins: ["golangci-lint", "ruff"]

PR Reviewer

Automated code review for GitHub pull requests. Analyzes diffs for security issues, error handling gaps, style problems, and test coverage.

Prerequisites

  • gh CLI installed and authenticated (gh auth status)
  • Repository access (read at minimum, write for posting comments)
  • Optional: golangci-lint for Go linting, ruff for Python linting
  • Quick Start

    # Review all open PRs in current repo
    scripts/github/pr-reviewer.sh check

    Review a specific PR

    scripts/github/pr-reviewer.sh review 42

    Post review as GitHub comment

    scripts/github/pr-reviewer.sh post 42

    Check status of all open PRs

    scripts/github/pr-reviewer.sh status

    List unreviewed PRs (useful for heartbeat/cron integration)

    scripts/github/pr-reviewer.sh list-unreviewed

    Configuration

    Set these environment variables or the script auto-detects from the current git repo:

  • PR_REVIEW_REPO β€” GitHub repo in owner/repo format (default: detected from gh repo view)
  • PR_REVIEW_DIR β€” Local checkout path for lint (default: git root of cwd)
  • PR_REVIEW_STATE β€” State file path (default: ./data/pr-reviews.json)
  • PR_REVIEW_OUTDIR β€” Report output directory (default: ./data/pr-reviews/)
  • Directories Written

  • PR_REVIEW_STATE (default: ./data/pr-reviews.json) β€” Tracks reviewed PRs and their HEAD SHAs
  • PR_REVIEW_OUTDIR (default: ./data/pr-reviews/) β€” Markdown review reports
  • What It Checks

    | Category | Icon | Examples | |----------|------|----------| | Security | πŸ”΄ | Hardcoded credentials, AWS keys, secrets in code | | Error Handling | 🟑 | Discarded errors (Go _ :=), bare except: (Python), unchecked Close() | | Risk | 🟠 | panic() calls, process.exit() | | Style | πŸ”΅ | fmt.Print/print()/console.log in prod, very long lines | | TODOs | πŸ“ | TODO, FIXME, HACK, XXX markers | | Test Coverage | πŸ“Š | Source files changed without corresponding test changes |

    Smart Re-Review

    Tracks HEAD SHA per PR. Only re-reviews when new commits are pushed. Use review to force re-review.

    Report Format

    Reports are saved as markdown files in the output directory. Each report includes:

  • PR metadata (author, branch, changes)
  • Commit list
  • Changed file categorization by language/type
  • Automated diff findings with file, line, category, and context
  • Test coverage analysis
  • Local lint results (when repo is checked out locally)
  • Summary verdict: πŸ”΄ SECURITY / 🟑 NEEDS ATTENTION / πŸ”΅ MINOR NOTES / βœ… LOOKS GOOD
  • Heartbeat/Cron Integration

    Add to a periodic check (heartbeat, cron job, or CI):

    UNREVIEWED=$(scripts/github/pr-reviewer.sh list-unreviewed)
    if [ -n "$UNREVIEWED" ]; then
      scripts/github/pr-reviewer.sh check
    fi
    

    Extending

    The analysis patterns in the script are organized by language. Add new patterns by appending to the relevant pattern list in the analyze_diff() function:

    # Add a new Go pattern
    go_patterns.append((r'^\+.*os\.Exit\(', 'RISK', 'Direct os.Exit() β€” consider returning error'))
    

    πŸ’‘ Examples

    # Review all open PRs in current repo
    scripts/github/pr-reviewer.sh check

    Review a specific PR

    scripts/github/pr-reviewer.sh review 42

    Post review as GitHub comment

    scripts/github/pr-reviewer.sh post 42

    Check status of all open PRs

    scripts/github/pr-reviewer.sh status

    List unreviewed PRs (useful for heartbeat/cron integration)

    scripts/github/pr-reviewer.sh list-unreviewed

    βš™οΈ Configuration

    Set these environment variables or the script auto-detects from the current git repo:

  • PR_REVIEW_REPO β€” GitHub repo in owner/repo format (default: detected from gh repo view)
  • PR_REVIEW_DIR β€” Local checkout path for lint (default: git root of cwd)
  • PR_REVIEW_STATE β€” State file path (default: ./data/pr-reviews.json)
  • PR_REVIEW_OUTDIR β€” Report output directory (default: ./data/pr-reviews/)