Coding & Cursor Rules templates

Rules files and prompts for Cursor, Claude Code, and vibe coding.

A .cursorrules file that keeps Cursor writing clean, typed Next.js App Router code.

Rules that make AI editors write typed, tested, modern Python.

Turn a fuzzy app idea into a scoped plan before the AI writes any code.

Paste an error and get the root cause, a fix, and a way to prevent it.

Get a senior-engineer style review of a diff or file.

Get thorough unit tests, including edge cases, for any function.

Onboard yourself to an unfamiliar repo fast.

Refactor messy code without changing behavior.

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