# How to Customize Quality Check Commands for Linting and Typechecking in Ralph Prompts

> Customize Ralph quality check commands for linting & typechecking by editing your local prompt.md or CLAUDE.md file. Replace placeholders with your project's specific commands.

- Repository: [Ryan Carson/ralph](https://github.com/snarktank/ralph)
- Tags: how-to-guide
- Published: 2026-04-13

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**You customize quality check commands in Ralph by editing the "Project-specific quality check commands" section inside your local [`prompt.md`](https://github.com/snarktank/ralph/blob/main/prompt.md) (for Amp) or [`CLAUDE.md`](https://github.com/snarktank/ralph/blob/main/CLAUDE.md) (for Claude Code) file, replacing the placeholders with whatever lint, typecheck, or test commands your project requires.**

Ralph is an AI coding workflow tool from the `snarktank/ralph` repository that automates the implementation of user stories through structured iteration prompts. When the AI agent reaches step 6 of its cycle, it executes the **quality check commands