Guide

How Do You Review AI-Generated Code Before It Breaks Your Project?

AI

AI Skills Team

7/10/2026 9 min

The Problem: Code Review Is Broken in the Age of AI Agents

You just asked an AI agent to implement a feature. It produced 400 lines of code in seconds. The tests pass. The output looks reasonable. You're about to merge it.

But wait — did it handle edge cases? Is it introducing a security vulnerability? Will it scale? Is the architecture consistent with the rest of the codebase? You're not sure, and you don't have a systematic way to check.

This scenario is becoming common. Developers are increasingly using AI coding assistants, multi-agent systems, and automated code generation tools. The speed of code production has increased dramatically, but the review process hasn't kept up. Many teams still rely on informal, inconsistent review practices — a quick glance, a gut feeling, or just running the tests and hoping for the best.

The consequences are real. Security vulnerabilities slip through. Technical debt accumulates silently. Code that "works" today becomes unmaintainable tomorrow. When multiple agents or developers contribute to the same codebase without a structured review process, inconsistencies multiply and quality degrades.

Why Traditional Code Review Falls Short

Traditional code review often focuses narrowly on whether the code "works." Reviewers might check for syntax errors, obvious bugs, or style violations. But this misses critical dimensions:

  • Security gaps that aren't immediately apparent
  • Architectural drift where new code doesn't fit existing patterns
  • Performance issues that only surface under load
  • Readability problems that make future maintenance difficult
  • Structural debt that accumulates with each merge

When you're reviewing code from an AI agent, these problems are amplified. AI-generated code can be syntactically correct and functionally complete while still being poorly structured, insecure, or inconsistent with project conventions. The code might work, but it might also introduce patterns that conflict with your codebase's architecture.

What a Good Solution Should Change

An effective code review approach needs to:

  1. Be systematic — not dependent on the reviewer's mood or available time
  2. Cover multiple dimensions — not just "does it work"
  3. Be applicable to any code source — whether written by humans, AI agents, or a combination
  4. Provide actionable feedback — not just "this is bad" but specific structural remedies
  5. Scale with your workflow — work for small changes and large features alike

The goal isn't to find every possible issue. It's to establish a consistent quality gate that catches significant problems before they enter your main branch.

Introducing a Structured Review Approach

The code-review-and-quality skill is one approach to this problem. It provides a structured framework for conducting multi-axis code reviews before merging any change — whether the code was written by you, another developer, or an AI agent.

This isn't a tool you install and forget. It's a methodology encoded as a reusable skill that can be integrated into your review workflow. The approach evaluates code across five specific dimensions, each with concrete criteria and remediation strategies.

The Five-Axis Review Framework

The core of this approach is evaluating every change across five distinct dimensions:

1. Correctness

Does the code actually do what it claims to do? This goes beyond "the tests pass":

  • Does it match the specification or task requirements?
  • Are edge cases handled (null values, empty inputs, boundary conditions)?
  • Are error paths handled, not just the happy path?
  • Are there off-by-one errors, race conditions, or state inconsistencies?

Example: An AI agent generates a function to process a list of user records. The tests pass with sample data. But what happens with an empty list? With duplicate entries? With records missing required fields? A correctness review catches these gaps.

2. Readability and Simplicity

Can another engineer understand this code without the author explaining it?

  • Are names descriptive and consistent with project conventions?
  • Is the control flow straightforward?
  • Could this be done in fewer lines?
  • Are abstractions earning their complexity?
  • Are there dead code artifacts or unnecessary comments?

Example: An AI agent might generate code with variables named temp, data, or result without context. Or it might create a 50-line function that could be expressed in 15 lines with clearer structure. Readability review identifies these issues.

3. Architecture

Does the change fit the system's design?

  • Does it follow existing patterns or introduce justified new ones?
  • Does it maintain clean module boundaries?
  • Is there code duplication that should be shared?
  • Are dependencies flowing in the right direction?

Example: An AI agent adds feature-specific logic to a shared utility module. The code works, but it violates the module's single responsibility. Architecture review catches this drift before it becomes a pattern.

4. Security

Does the change introduce vulnerabilities?

  • Is user input validated and sanitized?
  • Are secrets kept out of code and version control?
  • Is authentication/authorization checked where needed?
  • Are SQL queries parameterized?
  • Are outputs encoded to prevent XSS?

Example: An AI agent generates an API endpoint that accepts user input and directly incorporates it into a database query without parameterization. The functionality works, but it introduces a SQL injection vulnerability. Security review catches this.

5. Performance

Does the change introduce performance problems?

  • Are there N+1 query patterns?
  • Are there unbounded loops or unconstrained data fetching?
  • Are there synchronous operations that should be async?
  • Are there missing pagination on list endpoints?

Example: An AI agent generates code that fetches all records from a table, then filters in memory. With small datasets, this works fine. With production data volumes, it causes timeouts. Performance review identifies the issue.

Structural Remedies, Not Just Problems

A key principle of this approach: when you flag a problem, propose a structural remedy. Don't just say "this is complex" — suggest a specific restructuring:

  • Replace a chain of conditionals with a typed model or dispatcher
  • Collapse duplicate branches into a single clearer flow
  • Separate orchestration from business logic
  • Move feature-specific logic out of shared modules
  • Make type boundaries explicit
  • Delete pass-through wrappers that add indirection

This makes feedback actionable and reduces back-and-forth during review.

When This Approach Applies

This structured review framework is particularly useful in these scenarios:

  • Before merging any pull request or change — regardless of who wrote it
  • After completing a feature implementation — especially when using AI coding assistants
  • When evaluating code from another agent or model — multi-agent systems where one agent reviews another's output
  • When refactoring existing code — to ensure the refactoring actually improves structure
  • After bug fixes — to review both the fix and the regression test

When It Might Not Be the Right Fit

This approach has limitations worth considering:

  • It's not a linter or static analysis tool. It won't catch syntax errors or enforce formatting rules. Use it alongside those tools, not instead of them.

  • It requires human judgment. The framework provides criteria, but a reviewer must apply them to specific code. It's not fully automated.

  • It may be overkill for trivial changes. A one-line typo fix doesn't need a five-axis review. Use judgment about when to apply the full framework.

  • It doesn't replace domain expertise. Security-critical code may need specialized security review beyond what this framework covers.

Evaluating Whether This Fits Your Workflow

Before adopting this approach, consider:

Your Current Review Process

  • Do you currently have a structured review process, or is it ad hoc?
  • Are reviews consistent across team members?
  • Do you review code from AI agents with the same rigor as human-written code?

If your reviews are inconsistent or you're not reviewing AI-generated code systematically, this framework could help establish consistency.

Your Team's Review Capacity

  • Do reviewers have time for thorough reviews?
  • Do reviewers know what to look for beyond "does it work"?

This framework provides clear criteria that can help less experienced reviewers conduct more thorough reviews.

Your Codebase's Needs

  • Is architectural consistency important?
  • Are there security or performance requirements that need consistent enforcement?
  • Is technical debt a growing concern?

If you answered yes to any of these, a structured review approach could help.

What to Inspect Before Using

If you're considering this approach, here's what to examine:

Repository Signals

The source repository has significant community engagement (75,000+ stars), which suggests the approach resonates with many developers. However:

  • Check the license to ensure it fits your project's requirements
  • Review the SKILL.md file to understand the complete methodology
  • Examine the repository structure to see how the skill is organized

Safety Considerations

  • Security level is marked as Low — this is a review methodology, not code that executes in production
  • No installation commands are required — it's a framework to apply, not software to install
  • No external dependencies — the approach is self-contained

Integration Context

This skill is designed for use with AI agent systems like Cursor, Codex, and Claude Code. If you're using these tools, the skill can be integrated into your agent's workflow. If you're conducting manual reviews, you can apply the framework directly.

Practical Implementation

To use this approach:

  1. Read the complete SKILL.md to understand all criteria and remediation strategies
  2. Adapt the framework to your project's specific conventions and requirements
  3. Start with one axis if the full framework feels overwhelming — correctness and security are good starting points
  4. Use it consistently — the value comes from consistent application, not occasional use

Getting Started

If you want to explore this structured review approach, the code-review-and-quality skill page has the complete methodology. Start by reading the full documentation, then try applying it to your next code review — whether you're reviewing your own code, a teammate's code, or output from an AI agent.

The goal isn't perfection. It's establishing a consistent quality gate that catches significant issues before they become problems. In an era where code is produced faster than ever, that consistency matters more than ever.

延伸閱讀