> ## Documentation Index
> Fetch the complete documentation index at: https://docs.tai42.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Python SDK

> The generated Python SDK reference.

The Python SDK reference is generated from the docstrings of the public `tai42_contract`, `tai42_kit`, and skeleton APIs.

<CardGroup cols={2}>
  <Card title="App facade" icon="layer-group" href="/reference/python-sdk/tai-contract-app">
    The assembled TaiApp facade and its namespaces.
  </Card>

  <Card title="Agents" icon="robot" href="/reference/python-sdk/tai-contract-agent">
    The Agent base class plugin authors subclass.
  </Card>

  <Card title="Versioning" icon="code-branch" href="/reference/python-sdk/tai-contract-versioning">
    The VersionedStore primitive behind presets.
  </Card>

  <Card title="Presets" icon="sliders" href="/reference/python-sdk/tai-contract-presets">
    The PresetStore protocol and preset models.
  </Card>

  <Card title="Tools" icon="wrench" href="/reference/python-sdk/tai-contract-tools">
    Tool registration types and the app tools namespace.
  </Card>

  <Card title="LLM factories" icon="brain" href="/reference/python-sdk/tai-kit-llm">
    LLM, embedding, checkpoint, and store factories.
  </Card>
</CardGroup>