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Chapter 76: Building Type-Safe AI SDKs

Create SDKs with confidence. This chapter builds a type-safe-sdk skill to model APIs with Zod, handle streaming, and publish reliable client libraries.

Goals​

  • Design SDK architecture patterned after major AI providers
  • Validate payloads with Zod and enforce contracts
  • Support streaming and tool-call flows in SDKs
  • Publish SDK packages with quality gates

Lesson Progression​

  • SDK architecture patterns
  • Zod-backed request/response modeling
  • Streaming and tool-call support
  • Capstone: SDK for the Part 7 FastAPI backend; finalize the skill

Outcome & Method​

You finish with a type-safe SDK for your backend plus a reusable SDK-building skill.

Prerequisites​

  • Chapters 73-75