Does this skill improve code quality through testing?

Yes, it implements Goal-Driven Execution, which requires Claude to define verifiable success criteria, such as writing a reproduction test for a bug before attempting to fix it.

Will this skill refactor my entire file when making a change?

No, one of its core principles is Surgical Changes, meaning Claude is instructed to touch only what is necessary and match existing style without 'improving' adjacent code.

What is Karpathy mode in Claude Code?

Karpathy mode is a set of instructions that forces Claude to prioritize simplicity, clarify assumptions before coding, and make minimal, surgical changes to your codebase.

How does this skill help reduce code bloat?

The skill explicitly forbids speculative features, unnecessary configurability, and over-engineered abstractions, ensuring the AI writes the minimum code necessary to solve the problem.

Karpathy Coding Principles

Name: Karpathy Coding Principles
Author: grenos

bygrenos

0•

生产力与工作流

Enforces a minimalist, first-principles coding philosophy to ensure Claude produces simple, surgical, and verifiable code changes.

The Karpathy skill transforms Claude into a more deliberate and precise coding assistant by implementing principles inspired by high-level engineering best practices. It directs the AI to think through assumptions, prioritize simplicity over abstraction, and perform surgical edits that maintain codebase integrity. This skill is ideal for developers who want to avoid bloated AI-generated code, ensuring every change is purposeful, minimal, and backed by verifiable success criteria rather than speculative features.

主要功能

01Surgical file editing to minimize changes to unrelated lines and styling

02Goal-driven execution using specific, verifiable success criteria and testing loops

03Explicit assumption validation and clarification before code implementation

040 GitHub stars

05Automatic cleanup of orphaned variables and imports created by code changes

06Minimalist code generation that rejects unnecessary abstractions and features

使用场景

01Developing new features where surgical precision and minimal bloat are higher priorities than speed

02Performing precise bug fixes in legacy codebases without disturbing surrounding code style

03Refactoring complex logic into the simplest possible implementation for better maintainability

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add grenos/gh-viewer karpathy

For use in Claude.ai and ChatGPT

Download Skill