Cheat sheets

AI engineering cheat sheets

Dense reference pages for people who ship AI agents. Each one has code in Python and TypeScript, every claim is checked against official sources, and the check date is printed at the top.

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  Claude Agent SDK

  Claude Agent SDK cheat sheet

  Claude Agent SDK cheat sheet for Python and TypeScript: install, query, tools, permissions, hooks, subagents, sessions, models and cost, checked Oct 28, 2026.