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

# Context Builder • AI Agent SDK

> Context Builder for PreparedTurnContext.

# context\_builder

<Badge color="blue">AI Agent</Badge>

Context Builder for PreparedTurnContext.

This module provides the DefaultTurnContextBuilder that prepares
PreparedTurnContext instances from agent configuration and request
parameters. It consolidates the scattered context preparation logic
from chat\_mixin.py, chat\_handler.py, and other execution paths.

## Import

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
from praisonaiagents.runtime import context_builder
```

## Classes

<CardGroup cols={2}>
  <Card title="DefaultTurnContextBuilder" icon="brackets-curly" href="../classes/DefaultTurnContextBuilder">
    Default implementation of turn context building.
  </Card>
</CardGroup>

***

## Related Documentation

<CardGroup cols={2}>
  <Card title="Context Concept" icon="layer-group" href="/docs/docs/concepts/context" />

  <Card title="Context Management" icon="sliders" href="/docs/docs/features/context-management" />

  <Card title="Context Strategies" icon="diagram-project" href="/docs/docs/features/context-strategies" />
</CardGroup>