Karpathy Skills: Elevate Your Claude Code Workflow

Karpathy Skills: Elevate Your Claude Code Workflow

Karpathy Skills

Integrate Andrej Karpathy's coding principles into Claude Code. Four powerful guidelines that transform how you build with AI.

What Are Karpathy Skills?

Andrej Karpathy is a legendary engineer known for writing code that is both powerful and elegant. His philosophy emphasizes thinking deeply, simplifying ruthlessly, making precise changes, and always maintaining clarity about the goal.

These four principles—Think Before Coding, Simplicity First, Surgical Changes, and Goal-Driven Execution—can be integrated directly into Claude Code, transforming how you collaborate with AI on complex projects. You'll work more thoughtfully, make better decisions faster, and produce cleaner code.

The Four Principles

01. Think Before Coding

Resist the urge to code immediately. Spend time understanding the problem, the constraints, and the architecture. Write pseudocode. Sketch the approach. Only then implement.

02. Simplicity First

Choose the simplest solution that solves the problem. Avoid premature optimization. Reject unnecessary abstractions. A simple, clear solution beats a clever one every time.

03. Surgical Changes

Make precise, targeted changes. Avoid sprawling refactors that touch too much code at once. Each change should be small enough to reason about completely.

04. Goal-Driven Execution

Know exactly what you're building and why. Every line of code should move you toward that goal. Avoid scope creep and gold-plating. Ship what matters.

How to Install

At the Claude Code prompt, copy and paste this:

Copy this prompt:
I'm giving you a set of coding guidelines called Karpathy Skills. Get the file from https://raw.githubusercontent.com/forrestchang/andrej-karpathy-skills/main/CLAUDE.md with principles (Think Before Coding, Simplicity First, Surgical Changes, Goal-Driven Execution) that improve how you handle coding tasks. Do NOT overwrite any existing CLAUDE.md file. If one exists, merge these four principles into it — add them as a new section without removing or changing anything that's already there. If no CLAUDE.md exists, save the file as-is to the project root. After installing, read the file back and confirm which principles are now active.

What Happens Next

Fetch & Merge

Claude retrieves the Karpathy Skills guidelines and intelligently merges them into your project's existing CLAUDE.md file (or creates one if none exists).

Preserve Existing Config

Your original coding guidelines remain intact. Karpathy Skills are added as a new section, not replacing anything.

Confirmation

Claude reads back the updated file and shows you which principles are now active, giving you full visibility into what's been installed.

Immediate Effect

From that moment on, Claude Code respects these principles in every coding session. They guide your AI pair programmer's behavior.

Integration Strategies

Here are six practical ways to bring Karpathy Skills into your workflow:

Start with a New Project

The simplest approach: Install Karpathy Skills into a fresh project first. Work through a small feature completely, from problem definition to shipping code. Feel how the principles guide your workflow before adding them to existing projects.

Best for: First-time users, testing the approach, learning the philosophy.

Layer into Existing Code

Add Karpathy Skills to active projects incrementally. Start with new features or bug fixes using these principles. As your team gets comfortable, apply them retroactively to refactoring work.

Best for: Teams with established workflows, mature codebases, gradual adoption.

Per-Project Customization

Different projects have different needs. Install the base Karpathy Skills, then customize the CLAUDE.md file to match your project's specific constraints, tech stack, and code review standards.

Best for: Organizations with diverse projects, polyglot codebases, strong engineering cultures.

Team-Wide Standardization

Make Karpathy Skills your default. Add the installation prompt to your team onboarding docs. Encourage all engineers to install it in their personal Claude Code instances.

Best for: Engineering teams, organizations scaling development, standardizing practices.

Combine with Your Guidelines

Merge Karpathy Skills with any existing CLAUDE.md guidelines you've already built. The installation is smart enough to preserve your original instructions while adding these principles.

Best for: Teams that have invested in custom guidelines, organizations with strong engineering practices.

Iterate and Evolve

After a few weeks of using them, review what's working and what isn't. Edit the CLAUDE.md file to reflect what your team has learned. Let the principles evolve with your team's maturity.

Best for: Continuous improvement cultures, teams that reflect on process regularly.

Ready to Elevate Your Code?

Copy the installation prompt above, paste it into Claude Code, and start coding with Karpathy Skills in your next session.

Get Started

Karpathy Skills • Andrej Karpathy's coding philosophy integrated with Claude Code

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