BuilderHow to Read Code
A practical course on five modes of reading code — previewing, skimming, scanning, detailed reading, and critical reading — so you can navigate any codebase with confidence.
The catalog
Courses
Structured courses that walk you through AI concepts at a human pace — no prior technical background needed.
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Free previewThe Physics of Attention
Why AI hallucinates, the attention math that causes it, and how to engineer your prompts to stop it — in nine short lessons.
9 lessons
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Free previewIntro to Evals
AI quality is a distribution, not a binary — evals are how you test a curve. Ten short lessons on why pass/fail can't see what's wrong, and what to measure instead.
10 lessons
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Free previewCareer Cheat Codes
The unwritten rules of getting hired — why tailoring resumes makes you a commodity, and how to become an asset instead.
10 lessons
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Free previewClaude.md Pro Tips
Nine pro tips for writing CLAUDE.md files that actually work — under budget, precisely structured, and maintained like a living spec.
11 lessons
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Free previewIntro to RAG
Ten lessons on why AI makes things up — and the open-book-exam fix behind nearly every real AI product.
10 lessons
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Coming soonAI for Product Managers
Ten one-minute lessons on the six AI workflows every PM needs — from first draft to prioritization to knowing when not to trust it.
Coming soon
Drops September 17, 2026
Coming soonAI for Product Owners
Ten one-minute lessons on the six AI operations every PO needs — ticket authoring, CD3 ranking, dependency wiring, decomposition, feedback intake, and 10-minute refinement prep.
Coming soon
Drops September 24, 2026
Coming soonAgent Memory Architecture
Ten one-minute lessons on why your coding agent forgets everything — and the four-type memory system that fixes it, using nothing but markdown files.
Coming soon
Drops October 1, 2026