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Huaqing Xu
Huaqing Xu

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ChatGPT Prompts for Developers: Code Review, Debugging & Documentation

As a developer, ChatGPT can be your pair programmer, code reviewer, and documentation writer — if you use the right prompts. Here are the templates I use daily:

Code Review

Review the following [LANGUAGE] code for [CONCERN: performance/security/readability/maintainability].
Provide:
- 3-5 specific issues with line references
- Suggested fixes with code examples
- Quality score (1-10) with justification
- One architectural improvement

Code: [PASTE CODE]
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Bug Investigation

I'm getting this error: [ERROR MESSAGE]
Context: [WHAT YOU WERE TRYING TO DO]
Code: [PASTE RELEVANT CODE]

Provide:
- Likely root cause analysis
- Step-by-step debugging approach
- Potential fixes with code
- Prevention strategies
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Documentation Generator

Generate documentation for this [LANGUAGE] function/module:

Code: [PASTE CODE]

Include:
- Function purpose (1 sentence)
- Parameters table (name, type, description)
- Return value description
- 2 usage examples
- Edge cases and error handling
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Refactoring Assistant

Refactor this [LANGUAGE] code to improve [GOAL: readability/performance/testability].

Original code: [PASTE CODE]

Provide:
- Refactored code
- Explanation of changes made
- Before/after comparison
- Impact assessment
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Test Case Generator

Generate test cases for this [LANGUAGE] function:

Code: [PASTE CODE]

Include:
- Happy path tests (3 cases)
- Edge case tests (3 cases)
- Error handling tests (2 cases)
- Test framework: [JEST/PYTEST/ETC]
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Code Explanation

Explain this [LANGUAGE] code as if teaching a junior developer.

Code: [PASTE CODE]

Include:
- High-level purpose
- Line-by-line explanation of complex parts
- Design patterns used
- Potential improvements
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API Design Helper

Design a REST API endpoint for [FEATURE].
Requirements: [LIST]

Provide:
- Endpoint URL and HTTP method
- Request body schema (JSON)
- Response schema (JSON)
- Error responses
- Example curl command
- Security considerations
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Git Commit Message

Write a conventional commit message for these changes:

Changes: [DESCRIBE OR PASTE DIFF]

Format: type(scope): description
Include body and footer if needed.
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The Developer's Prompt Framework

All these prompts follow:

Act as a [ROLE: senior developer/reviewer/etc].
Your task is to [TASK: review/debug/document].
Context: [LANGUAGE, FRAMEWORK, CODE].
Requirements: [SPECIFIC OUTPUT FORMAT].
Output: [STRUCTURED RESULT].
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Get 100+ More Templates

These are just 8 of 100+ templates in the full collection. 10 categories: Writing, Programming, Marketing, Education, Productivity, Career, Data Analysis, Email, Creative Writing, Personal Development.

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Works with ChatGPT, Claude, Gemini, Copilot, and any AI assistant.


What's your favorite developer prompt? Share below!

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