Open-source AI Engineering from Scratch: 503 lessons, 20 phases, 320 hours, free

mdancho84 · x · 2026-11-08

"AI Engineering from Scratch" is a free, MIT-licensed curriculum with 503 lessons across 20 phases (320 hours), already at 48k GitHub stars.

You implement backprop from the math, build a tokenizer, code attention and Transformers, write your own agent loops and MCP servers, then deploy production AI systems—each lesson ships a reusable artifact. Covers Python, TypeScript, Rust, and Julia across foundations, modern AI (NLP/LLM/generative), and AI engineering (RAG, tools, MCP, agents). The pitch: 84% of students use AI tools but only 18% feel prepared to use them professionally.

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