Coding & Dev prompts

Refactoring, tests, debugging and reviews. Every prompt is tested on a named tool, with an example input and output.

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Claude Debug This Error for Claude Paste an error, the code around it and what you already tried; get ranked hypotheses, the one check that distinguishes them, … Coding & Dev Code 0 0

Claude Code Unit Test Generator for Claude Code Generate a focused unit test suite for a function or module: happy path, edge cases, error paths and one property-style test,… Coding & Dev Code 0 0

Cursor Refactor a Legacy Function Safely in Cursor Point Cursor at a messy function and get a behaviour-preserving refactor: characterization tests first, then the rewrite, the… Coding & Dev Code 0 0

Claude Prompt: Senior Code Review with Severity Triage Get a structured, prioritized code review on a pull request, function, or module — without the noise of nitpicks drowning out… Coding & Dev Code 0 1

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How this library works

Every prompt names the tool it was tested on.
Fill in the variables, then copy the finished prompt.
Example input and the real output are shown, so you know what to expect.
Fork any prompt to adapt it; upvote the ones that work.

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