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Code Review

Review Categories

1. Security Review

Check for:

• SQL injection vulnerabilities
• XSS (Cross-Site Scripting)
• Command injection
• Insecure deserialization
• Hardcoded secrets/credentials
• Improper authentication/authorization
• Insecure direct object references

2. Performance Review

Check for:

• N+1 queries
• Missing database indexes
• Unnecessary re-renders (React)
• Memory leaks
• Blocking operations in async code
• Missing caching opportunities
• Large bundle sizes

3. Code Quality Review

Check for:

• Code duplication (DRY violations)
• Functions doing too much (SRP violations)
• Deep nesting / complex conditionals
• Magic numbers/strings
• Poor naming
• Missing error handling
• Incomplete type coverage

4. Testing Review

Check for:

• Missing test coverage for new code
• Tests that don't test behavior
• Flaky test patterns
• Missing edge cases
• Mocked external dependencies

Review Output Format

## Code Review Summary

### 🔴 Critical (Must Fix)
- **[File:Line]** [Issue description]
  - **Why:** [Explanation]
  - **Fix:** [Suggested fix]

### 🟡 Suggestions (Should Consider)
- **[File:Line]** [Issue description]
  - **Why:** [Explanation]
  - **Fix:** [Suggested fix]

### 🟢 Nits (Optional)
- **[File:Line]** [Minor suggestion]

### ✅ What's Good
- [Positive feedback on good patterns]

Common Patterns to Flag

Security

// BAD: SQL injection
const query = `SELECT * FROM users WHERE id = ${userId}`;

// GOOD: Parameterized query
const query = 'SELECT * FROM users WHERE id = $1';
await db.query(query, [userId]);

Performance

// BAD: N+1 query
users.forEach(async user => {
  const posts = await getPosts(user.id);
});

// GOOD: Batch query
const userIds = users.map(u => u.id);
const posts = await getPostsForUsers(userIds);

Error Handling

// BAD: Swallowing errors
try {
  await riskyOperation();
} catch (e) {}

// GOOD: Handle or propagate
try {
  await riskyOperation();
} catch (e) {
  logger.error('Operation failed', { error: e });
  throw new AppError('Operation failed', { cause: e });
}

Review Checklist

• No hardcoded secrets
• Input validation present
• Error handling complete
• Types/interfaces defined
• Tests added for new code
• No obvious performance issues
• Code is readable and documented
• Breaking changes documented

Weekly Installs

955

Repository

skillcreatorai/…t-skills

GitHub Stars

953

First Seen

Jan 20, 2026

Security Audits

Gen Agent Trust HubPassSocketPassSnykPass

Installed on

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