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karpathy

100 / 100 · Low risk

Fine to try.

By gaasher/Agent-Loop-Skills (GitHub) · coding · 181 stars · scanned at commit f1169e6

Use when the user wants the LLM to do its own ML research: a fully-autonomous loop that hacks the training code, runs it, and keeps changes that lower a single scalar metric (e.g. val_bpb). One agent proposes one change at a time, runs training in the user's env, keeps it only if the metric improves (advancing a git branch) else reverts, and loops forever until the human interrupts. A faithful adaptation of Karpathy's autoresearch. Not for the analysis-first variant that profiles before editing…

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'karpathy' ] || [ -L ~/.agents/skills/'karpathy' ]; then echo 'A skill folder named karpathy already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/gaasher/Agent-Loop-Skills' "$d" && git -C "$d" checkout --quiet 'f1169e6db0b0f8a83ced3a18562b7c57e14a748a' -- 'loops/karpathy' && mkdir -p ~/.agents/skills && cp -R "$d"/'loops/karpathy' ~/.agents/skills/'karpathy' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'karpathy' ~/.claude/skills/'karpathy' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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