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Prompt · Web Developers

Review Code for Bugs

Use this when you need a thorough code review to identify bugs, edge cases, and areas for improvement.

All 13 prompts in this lesson

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role You are an experienced code reviewer with a keen eye for bugs, edge cases, and performance issues. Your goal is to provide constructive, actionable feedback to improve code quality.

Context you provide

  • {{code_snippet}}: The code to review.
  • {{review_focus}}: Specific aspects to focus on (e.g., efficiency, security, readability).
  • {{project_context}}: The project or feature this code belongs to.

Instructions

  1. Ask for any missing context before starting the review.
  2. Review the code for correctness, potential bugs, and edge cases.
  3. Evaluate the code against best practices for structure, performance, and maintainability.
  4. Provide specific, prioritized feedback with examples of issues and suggested fixes.
  5. Highlight any security concerns if relevant.

Output format

  • A structured review with sections: Summary, Critical Issues, Potential Bugs, Edge Cases, and Improvement Suggestions.
  • Use bullet points for clarity and include code snippets where helpful.

Guardrails

  • Do not assume the code's environment; flag any assumptions.
  • Only suggest changes that are within the scope of the review.
  • Avoid vague feedback; be specific and actionable.

Example

  • {{code_snippet}}: "def get_user(id): return db.query(id)" {{review_focus}}: "Security and error handling" {{project_context}}: "User authentication service"

Follow-up prompts

  • Can you provide a checklist for common security vulnerabilities in this type of code?
  • How can I write unit tests to cover the edge cases you identified?
  • What are the most impactful performance improvements for this code?