> ## 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.

# Allowed Host • Rust AI Agent SDK

> allowed_host: Add allowed host

# allowed\_host

<div className="flex items-center gap-2">
  <Badge color="purple">Method</Badge>
</div>

> This is a method of the [**SecurityConfig**](../classes/SecurityConfig) class in the [**mcp**](../modules/mcp) module.

Add allowed host

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def allowed_host(mut self, host: impl Into<String>) -> Self
```

## Parameters

<ParamField query="host" type="impl Into<String>" required={true}>
  No description available.
</ParamField>

### Returns

<ResponseField name="Returns" type="Self">
  The result of the operation.
</ResponseField>