> ## 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.

# Session Deduplication Cache • AI Agent SDK

> SessionDeduplicationCache: Thread-safe session-level content deduplication cache.

# SessionDeduplicationCache

> Defined in the [**manager**](https://praison.ai/docs/sdk/reference/praisonaiagents/modules/manager.md) module.

AI Agent

Thread-safe session-level content deduplication cache.

Tracks content hashes across all agents in a workflow session
to prevent duplicate content from being sent to LLM.

## Constructor

**max\_size** `int` (default: 1000)

No description available.

## Methods

> [card] [check\_and\_add()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/SessionDeduplicationCache-check_and_add.md)
>
> Check if content hash exists and add if new.

> [card] [get\_stats()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/SessionDeduplicationCache-get_stats.md)
>
> Get deduplication statistics.

> [card] [clear()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/SessionDeduplicationCache-clear.md)
>
> Clear the cache.

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/context/manager.py#L39)
>
> `praisonaiagents/context/manager.py` at line 39

***

## Related Documentation

> [card] [Session Management](https://praison.ai/docs/docs/concepts/session-management)

> [card] [Sessions Feature](https://praison.ai/docs/docs/features/sessions)

> [card] [Session Persistence](https://praison.ai/docs/docs/features/session-persistence)

> [card] [Caching Concept](https://praison.ai/docs/docs/concepts/caching)


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