Task prompt · Coding
Refactor messy code without changing behavior
by Agent Yard TeamCleaner code with the same behavior, done in safe steps.
You'll attach
Needs file
Works with
Cursor
Claude Code
Codex
Claude
ChatGPT
GeminiUse cases
- Cleaner code with the same behavior, done in safe steps.
- When you already have a file and want the AI to work from it instead of starting from scratch.
- With Cursor, Claude Code, Codex and more, the AIs that support what this prompt needs.
Featured in: Best Claude prompts for coding.
How to use it
- Open Cursor or Claude Code in your terminal (or another AI listed here).
- Attach the file (PDF, Word, CSV or Excel), or paste its text into the prompt.
- Copy the prompt, paste it into the chat and send.
Prompt
Refactor the attached code for readability and maintainability without changing its behavior. Rules: work in small steps; for each step say what you changed and why; keep public function names and signatures unless I agree; no new dependencies. Focus on: naming, long functions, duplicated logic, deep nesting and unclear error handling. If there are no tests, write characterization tests first so we can prove behavior didn't change.
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