> ## 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

AI Agent

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

> [card] [DefaultTurnContextBuilder](https://praison.ai/docs/sdk/reference/praisonaiagents/classes/DefaultTurnContextBuilder.md)
>
> Default implementation of turn context building.

***

## Related Documentation

> [card] [Context Concept](https://praison.ai/docs/docs/concepts/context)

> [card] [Context Management](https://praison.ai/docs/docs/features/context-management)

> [card] [Context Strategies](https://praison.ai/docs/docs/features/context-strategies)


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