Capability-Oriented Harness Architecture

Compose agents from independent capabilities

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A bilingual reader for the official Pydantic AI Harness documentation: the capability catalogue, every docs page and the guides for writing new capabilities.

What you will learn

  • Understand how an agent splits into composable capabilities
  • Read and choose capabilities for a given problem
  • Learn how a new capability is written

Who it is for

Python developers designing modular agents.

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