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Coding AI Prompts

Prompts for writing, debugging, reviewing, and explaining code.

9 prompts · Free · No login

Explain This Code

beginner

Explain the following code in plain English. Describe what it does, how it works, and any potential issues: ``` [PASTE CODE HERE] ```

ChatGPTClaudeGemini

Debug My Code

intermediate

I 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] ```

ChatGPTClaude

Write a REST API Endpoint

intermediate

Write 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.

ChatGPTClaude

Code Review

advanced

Review the following code for correctness, performance, security vulnerabilities, and best practices. Provide specific improvement suggestions with examples: ``` [PASTE CODE HERE] ```

ChatGPTClaude

Convert Code to Another Language

intermediate

Convert 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] ```

ChatGPTClaudeGemini

Write Unit Tests

intermediate

Write comprehensive unit tests for the following [LANGUAGE] function using [TEST FRAMEWORK]. Cover happy path, edge cases, and error scenarios: ``` [PASTE FUNCTION HERE] ```

ChatGPTClaude

Optimize This Code

advanced

Optimize the following code for performance and readability. Explain each optimization you make and why it improves the code: ``` [PASTE CODE HERE] ```

ChatGPTClaude

Write a SQL Query

intermediate

Write 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.

ChatGPTClaudeGemini

Regex Pattern

advanced

Write 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.

ChatGPTClaude

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.

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