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AI Engineering Hub is a curated repository of Jupyter Notebooks and tutorials covering the full stack of modern AI engineering — from fine-tuning and retrieval-augmented generation to production agent architectures and LLM evaluation. Each notebook is self-contained and walkthrough-style, making it practical for engineers who learn by doing. With over 35,000 stars it is one of the most bookmarked learning resources for developers building LLM-powered applications.