Coding AI Prompts
Prompts for writing, debugging, reviewing, and explaining code.
9 prompts · Free · No login
Explain This Code
beginnerExplain the following code in plain English. Describe what it does, how it works, and any potential issues: ``` [PASTE CODE HERE] ```
Debug My Code
intermediateI have the following code that is producing this error: "[ERROR MESSAGE]". Find the bug, explain why it occurs, and provide a corrected version: ``` [PASTE CODE HERE] ```
Write a REST API Endpoint
intermediateWrite a [LANGUAGE] REST API endpoint for [FRAMEWORK] that handles [HTTP METHOD] requests to "[ROUTE]". It should [DESCRIBE WHAT IT DOES]. Include input validation and error handling.
Code Review
advancedReview the following code for correctness, performance, security vulnerabilities, and best practices. Provide specific improvement suggestions with examples: ``` [PASTE CODE HERE] ```
Convert Code to Another Language
intermediateConvert the following [SOURCE LANGUAGE] code to [TARGET LANGUAGE]. Keep the same logic, follow [TARGET LANGUAGE] best practices, and add comments where needed: ``` [PASTE CODE HERE] ```
Write Unit Tests
intermediateWrite comprehensive unit tests for the following [LANGUAGE] function using [TEST FRAMEWORK]. Cover happy path, edge cases, and error scenarios: ``` [PASTE FUNCTION HERE] ```
Optimize This Code
advancedOptimize the following code for performance and readability. Explain each optimization you make and why it improves the code: ``` [PASTE CODE HERE] ```
Write a SQL Query
intermediateWrite an optimized SQL query that [DESCRIBE WHAT IT SHOULD DO] from a table called "[TABLE NAME]" with columns: [LIST COLUMNS]. Include comments explaining the logic.
Regex Pattern
advancedWrite a regular expression that matches [DESCRIBE WHAT TO MATCH]. Explain each part of the pattern and provide 3 examples of strings it would match and 2 it would not match.
Frequently Asked Questions
What are Coding AI prompts?
Coding AI prompts are ready-to-use instructions you give to an AI model like ChatGPT or Claude to get high-quality coding outputs. Each prompt on this page is crafted to get the best results.
Which AI models work best with these coding prompts?
These prompts are tested with ChatGPT (GPT-4o), Claude 3.5+, and Gemini 1.5 Pro. Most prompts work across all major LLMs — the model tags on each card show which ones are recommended.
Can I use these prompts for free?
Yes. All prompts on LLMs Guru are completely free to use. No signup, no limits. Click Copy and paste directly into your AI tool.
How do I get the best results from these prompts?
Replace the placeholder text (shown in [BRACKETS]) with your specific details. The more context you provide, the better the AI output. You can also chain prompts — use one output as input for the next.