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nanogpt-explainer

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UpdatedMay 30, 2026 at 21:37

Re-explain any ML/AI Python file line-by-line in Karpathy lecture style. Walks reader through the code with intuition, shape annotations, and why-decisions. Triggers on "explain this file like Karpathy", "walk me through this code", "lecture-style explain", "explain line by line".

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Andersonlimahw

Andersonlimahw/ai-starter-kit

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SKILL.md

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name	nanogpt-explainer
description	Re-explain any ML/AI Python file line-by-line in Karpathy lecture style. Walks reader through the code with intuition, shape annotations, and why-decisions. Triggers on "explain this file like Karpathy", "walk me through this code", "lecture-style explain", "explain line by line".

nanogpt-explainer

Turn dense ML code into a lecture.

Workflow

Read target file fully.
Group lines into logical blocks (imports, data, model, train loop, eval).
For each block: state purpose in one sentence, annotate tensor shapes, flag non-obvious decisions.
End with: "what would break if you removed this?" per block.

Format

### Block: <name>  (lines X-Y)
**Purpose**: ...
**Shapes**: input (B,T) → output (B,T,V)
**Why**: ...
**Gotcha**: ...

Tone

Conversational, second-person. Assume reader knows Python, not ML. Build intuition before formalism.

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