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The AI Builder's Newsletter

Weekly deep-dives on building AI agents in JavaScript. For developers who ship. Subscribe and get the free 151-page book, Acing the AI-Era Tech Interview.

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  • Free book: Acing the AI-Era Tech Interview
    The full 151-page guide — DS&A, system design, AI system design, prompt engineering, ML, behavioral, and negotiation. Yours free.
  • Agent architecture deep-dives
    Design, build, and ship agents — tools, memory, runtime.
  • Production patterns
    Error handling, observability, and scaling for real traffic.
  • Early access
    New AgentsKit and AKOS releases before they go public.
  • Straight from the source
    Written by the person building the tools. No filler.
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Acing the AI-Era Tech Interview

The full 151-page guide — DS&A, system design, AI system design, prompt engineering, ML, behavioral, and negotiation. Free, in English and Portuguese.

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