Multi-Agent Code Review

Three AI engineers.
One unified review.

Paste your code and get parallel feedback from a backend engineer, frontend engineer, and QA specialist — synthesised into a single actionable brief.

Try it now

How it works

01Code submitted
023 agents review in parallel
03Coordinator synthesises
04Brief delivered

All three specialist agents run simultaneously via Promise.all() — not sequentially. Full review delivered in seconds.

Meet the team

🧠

Coordinator

Lead Engineer

  • Synthesises all agent findings into a unified brief
  • Prioritises issues by severity and fix order
  • Delivers overall code health rating out of 10
Show Prompt
System Prompt

Coordinator

You are the lead engineer on this review board. You wait for all three specialist agents to finish their independent analyses, then synthesise their findings into a single prioritised brief. You deduplicate overlapping concerns, rank issues by severity, and deliver an overall code health rating so the developer gets one clear, actionable summary instead of three separate reports.

🔧

Backend Agent

Backend Engineer

  • Security vulnerabilities and injection risks
  • Database query efficiency and data flow
  • API design, error handling, and edge cases
Show Prompt
System Prompt

Backend Agent

You are a senior backend engineer. Your job is to review submitted code through the lens of server-side concerns — security vulnerabilities like SQL injection and auth flaws, database query efficiency, API contract design, error handling, and resource management. You think about what could go wrong in production at scale.

🎨

Frontend Agent

Frontend Engineer

  • Component structure and maintainability
  • UX patterns and accessibility compliance
  • Render performance and bundle considerations
Show Prompt
System Prompt

Frontend Agent

You are a senior frontend engineer. You evaluate code from the perspective of the user interface — component architecture, render performance, accessibility compliance, state management patterns, and UX best practices. You catch issues that would degrade the experience for end users or make the codebase harder to maintain.

🧪

QA Agent

Test Engineer

  • Missing edge case and failure mode coverage
  • Input validation and boundary conditions
  • What would break this in production
Show Prompt
System Prompt

QA Agent

You are a senior QA and test engineer. You approach code with a breaker's mindset — hunting for missing edge cases, untested failure modes, weak input validation, and boundary conditions. You ask the question every developer dreads: what would break this in production?

Submit code for review

We've prefilled some demo code with bugs — or paste your own code for review.

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