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Andrej Karpathy Skills
by forrestchang · forrestchang/andrej-karpathy-skills
A single CLAUDE.md file to improve Claude Code behavior, derived from Karpathy's observations on LLM coding pitfalls.
Andrej Karpathy Skills is a Claude skill / skill pack maintained by forrestchang. A single CLAUDE.md file to improve Claude Code behavior, derived from Karpathy's observations on LLM coding pitfalls. See README for installation and configuration: https://github.com/forrestchang/andrej-karpathy-skills
Why use it
Key features
- A single CLAUDE.md file to improve Claude Code behavior, derived from Karpathy's observations on LLM coding pitfalls.
- See README for implementation details
- 138768+ GitHub stars at verification time
- Community project
Live Demo
What it looks like in practice
andrej-karpathy-skills.replay
▶ ready
Use Cases
Real-world ways to use Andrej Karpathy Skills
When to use: See repo README for canonical use cases.
Flow
-
Install
Install Andrej Karpathy Skills per README.✓ Copied
→ Tool/skill registered with client
-
Configure
Provide credentials/config as instructed.✓ Copied
→ Successful auth/init
-
Use
Run a sample task with Andrej Karpathy Skills.✓ Copied
→ Expected output
Outcome: You can drive the documented workflow end-to-end.
Pitfalls
- Skipping README — Read the repo README and CHANGELOG before shipping to prod.
Cost & Limits
What this costs to run
- API quota
- None of its own; bounded by upstream provider quotas if any
- Tokens per call
- Depends on usage
- Monetary
- Open source — check repo LICENSE
- Tip
- Review upstream API costs (if any) before automating.
Security
Permissions, secrets, blast radius
Minimum scopes: Whatever the upstream provider requires
Credential storage: Env vars or local config — never commit secrets
Data egress: Forwards data per its README
Never grant: Full admin to untrusted prompts
- Project moves fast — pin a version in production.
Troubleshooting
Common errors and fixes
Auth fails
Verify credentials and required scopes match README.
Verify: Re-read repo README auth section.
Tool not found by client
Ensure MCP client config points to correct command/path.
Verify: Restart the client after editing config.