> ## 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.

# Auth Protocol • AI Agent SDK

> AuthProtocol: Protocol for authentication implementations.

# AuthProtocol

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

AI Agent

Protocol for authentication implementations.

Enables structural typing for different authentication strategies
(token-based, local loopback, trusted proxy, etc.).

## Methods

> [card] [check()](https://praison.ai/docs/sdk/reference/praisonaiagents/functions/AuthProtocol-check.md)
>
> Check authentication for a request.

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/gateway/protocols.py#L3034)
>
> `praisonaiagents/gateway/protocols.py` at line 3034


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