code-reviewer

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---
name: code-reviewer
description: >
  Code review automation for TypeScript, JavaScript, Python, Go, Swift, and Kotlin. Analyzes
  PRs for complexity, risk, SOLID violations, and code smells. Use when reviewing PRs,
  analyzing code quality, or generating review checklists.
license: MIT + Commons Clause
metadata:
  version: 1.1.0
  author: borghei
  category: engineering
  domain: code-quality
  updated: 2026-06-17
  tags: [code-review, pull-request, code-quality, best-practices]
---
# Code Reviewer

Automated code review tooling that analyzes pull requests for complexity and risk, scans source for code smells and SOLID violations, and consolidates findings into structured review reports with a verdict, score, and prioritized action items. Supports TypeScript, JavaScript, Python, Go, Swift, and Kotlin.

## Core Capabilities

- **PR risk analysis** — scan git diffs for hardcoded secrets, SQL injection, debug statements, lint bypasses, `any` types, and TODO/FIXME, with a 1-10 complexity score.
- **Code quality checking** — detect long functions, large files, god classes, deep nesting, too many params, high cyclomatic complexity, missing error handling, unused imports, and magic numbers against fixed thresholds.
- **SOLID & antipattern detection** — flag structural, logic, security, performance, testing, and async antipatterns with fixes.
- **Review reports** — merge PR and quality findings into a verdict (approve / request changes / block), 0-100 score, and ranked action items in text, markdown, or JSON.
- **Review order prioritization** — sort files so security-sensitive code is inspected first.
- **Commit hygiene** — validate conventional-commit format across a branch.

## When to Use

- Reviewing a PR and needing fast pre-screening before manual logic review.
- Analyzing code quality or auditing a codebase for smells and SOLID violations.
- Generating a structured review report or review checklist.
- Gating merges in CI/CD on a quality score or review verdict.

## Clarify First

Before producing the review, confirm these inputs. If any is unknown or vague, ASK — do not assume:

- [ ] **What to review** — the git diff/branch (base and head) or a source directory (sets `--base`/`--head` or the path the analyzers scan)
- [ ] **Language** — TypeScript, JavaScript, Python, Go, Swift, or Kotlin (selects the rules `code_quality_checker.py` applies via `--language`)
- [ ] **Output & gate** — report format (text/markdown/JSON) and any pass/fail score threshold (sets the artifact format and CI verdict)

Stop rule: ask only the 2-3 that most change the output. If the user says "just draft it," proceed and list your assumptions at the top of the artifact.

## Tools

| Tool | Purpose | Command |
|------|---------|---------|
| `pr_analyzer.py` | Assess PR complexity and risk from a git diff | `python scripts/pr_analyzer.py . --base main --head feature-branch --json` |
| `code_quality_checker.py` | Detect code smells and SOLID violations in source | `python scripts/code_quality_checker.py ./src --language typescript --json` |
| `review_report_generator.py` | Combine PR + quality findings into a review report | `python scripts/review_report_generator.py . --format markdown --output review.md` |

## References

Load the reference that matches the task — keep this file lean and pull detail on demand:

- **[references/tool_reference.md](references/tool_reference.md)** — full per-tool usage, detection lists, threshold/verdict tables, all CLI flags, JSON output samples, supported-language extensions, troubleshooting table, and success criteria. Read when running, configuring, or debugging the scripts.
- **[references/code_review_checklist.md](references/code_review_checklist.md)** — systematic checklists for pre-review, correctness, security, performance, maintainability, testing, and language-specific checks. Read when performing a manual review pass.
- **[references/coding_standards.md](references/coding_standards.md)** — language-specific s