27 pages of plain-English software engineering foundations + a 30-term AI cheat sheet. Free.

What's inside

✅ Terminal — 12 commands, paths, pipes, env vars ✅ IDEs — VS Code, day-one extensions, key shortcuts ✅ Git & GitHub — the "save game" mental model, 7 commands, the PR workflow ✅ APIs — HTTP, REST, JSON, status codes, auth patterns, how to read docs ✅ Security primer — the four-things rule every project must follow ✅ 30-term AI cheat sheet — Agent · MCP · Token · RAG · 26 more

Every term gets the same four-line treatment: definition · why it matters · how you'll know it's relevant · how to ask Claude.

Why free

Foundation knowledge. Gating it out would exclude the people who'd most benefit from the paid guides.

📄 27 pages · PDF · no email gate · keep it open forever

— Toddy · @buildwithtoddy