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Code Review Workflow with Cursor AI

Run AI code review in Cursor: check correctness and edge cases, scan for security issues, catch N+1s, and post a structured PR comment.

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Your Prompt
prompt.txt
Review the following code changes in my Python/FastAPI project. The PR implements adds rate limiting middleware with Redis-backed token bucket algorithm. 1) Check for correctness: does the code actually accomplish what the PR description states? Look for edge cases with Redis connection failure, concurrent requests from same user, rate limit reset at boundary. 2) Security review: scan for IP spoofing via headers, rate limit bypass, information leakage in error responses including injection attacks, auth bypasses, and data exposure. 3) Performance analysis: identify any N+1 queries, unnecessary re-renders, memory leaks, or blocking operations. 4) Code style: verify adherence to our conventions — type hints on all functions, docstrings for public methods, no bare except clauses. 5) Test coverage: are the tests sufficient? Identify untested branches and suggest additional test cases. 6) Naming and readability: flag any confusing variable names, overly complex functions, or missing documentation. 7) Suggest specific improvements with code examples, not just problem descriptions. Format the review as a structured comment I can post directly on the PR.

What this prompt does

This prompt runs a structured AI code review in Cursor as a first pass before human eyes are on the PR. You set the [language]/[framework] and describe the change with [pr_description], and the AI checks correctness against that description including edge cases from [edge_case_scenarios], runs a security scan for [security_concerns] such as injection and auth bypasses, analyzes performance for N+1 queries and unnecessary re-renders and blocking operations, verifies your [style_rules], assesses test coverage and names untested branches, flags naming and readability issues, and formats everything as a structured comment you can post directly on the PR.

The structure works because it follows a sensible review order: correctness first, then security, then performance. Checking whether the code actually does what [pr_description] claims catches the most expensive mistakes early, before anyone debates style. The [edge_case_scenarios] and [security_concerns] variables focus the scan on the risks that genuinely matter for this specific change rather than asking for a vague, generic pass that surfaces noise. The request for concrete code-example fixes rather than bare problem descriptions is what makes the output immediately actionable. And the structured-comment format is the difference between a usable review and a wall of prose you would have to reformat by hand before posting.

When to use it

  • You want an AI first pass on a PR before you read it yourself
  • The change has known [edge_case_scenarios] you want checked explicitly rather than hoped about
  • Security matters and you want a focused scan for [security_concerns] like injection or auth bypass
  • You suspect performance issues such as N+1 queries, unnecessary re-renders, or blocking operations
  • You want test-coverage gaps and untested branches identified with suggested cases
  • You need the review formatted as a comment that is ready to post on the PR without editing

Example output

You get a structured review comment: a correctness section measuring the code against [pr_description] and [edge_case_scenarios], a security section covering [security_concerns], a performance section flagging N+1 queries and re-renders, a style section against [style_rules], a test-coverage assessment with suggested cases, readability notes, and concrete code-example fixes — all formatted to paste directly onto the PR.

Pro tips

  • Write [pr_description] accurately; the correctness check is only meaningful against what the PR really claims to do
  • List the real [edge_case_scenarios] for this change so the scan targets your actual risk surface, not generic cases
  • Name concrete [security_concerns] rather than asking for a generic security pass that returns noise
  • Treat the output as a first pass, not a verdict; the AI misses the broader context a human reviewer has
  • Ask for code-example fixes, not just problem descriptions, so every suggestion is immediately actionable
  • Keep the structured-comment format; it is what makes the review usable directly on the PR without rework

Frequently Asked Questions

Can this replace human code review?
No. It is a first pass that catches correctness, security, and performance issues before a human reviews. The AI lacks the broader context a reviewer has about intent and history, so treat it as a filter that sharpens your own review rather than a replacement for it.
How does it check correctness?
It compares the code against `[pr_description]` and the `[edge_case_scenarios]` you supply, asking whether the change actually accomplishes what it claims. Accurate inputs matter: a vague description makes the correctness check weak, so describe the PR precisely.
What performance issues does it look for?
It scans for N+1 queries, unnecessary re-renders, memory leaks, and blocking operations. These are common, high-impact issues that are easy to miss in a quick read, so surfacing them in the first pass saves a slower discovery later.
Why does the prompt ask for a structured comment format?
Because a review is only useful if you can act on it. Formatting the output as a structured comment with sectioned findings and code-example fixes lets you post it directly on the PR, instead of reformatting a wall of prose into actionable notes.
Engr Mejba Ahmed

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Engr Mejba Ahmed

AI Developer · Software Engineer

I'm Mejba — I design and ship production AI systems, automations, and full-stack apps. If you want this turned into a working solution for your team, let's talk.

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