> ## 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.
# Security Config • Rust AI Agent SDK
> SecurityConfig: Security configuration for MCP.
# SecurityConfig
> Defined in the [**MCP**](../modules/mcp) module.
Rust AI Agent SDK
Security configuration for MCP.
## Fields
| Name | Type | Description |
| --------------- | ------------------- | ------------------------------------ |
| `allow_fs` | `bool` | Allow file system access |
| `allow_network` | `bool` | Allow network access |
| `allow_env` | `bool` | Allow environment variable access |
| `allowed_hosts` | `Vec<String>` | Allowed hosts for network access |
| `allowed_paths` | `Vec<String>` | Allowed paths for file system access |
## Methods
### `permissive`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn permissive() -> Self
```
Create a permissive security config
### `restrictive`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn restrictive() -> Self
```
Create a restrictive security config
### `allow_fs`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn allow_fs(mut self, allow: bool) -> Self
```
Allow file system access
**Parameters:**
| Name | Type |
| ------- | ------ |
| `allow` | `bool` |
### `allow_network`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn allow_network(mut self, allow: bool) -> Self
```
Allow network access
**Parameters:**
| Name | Type |
| ------- | ------ |
| `allow` | `bool` |
### `allowed_host`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn allowed_host(mut self, host: impl Into) -> Self
```
Add allowed host
**Parameters:**
| Name | Type |
| ------ | ------------------------- |
| `host` | `impl Into<String>` |
### `allowed_path`
```rust theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
fn allowed_path(mut self, path: impl Into) -> Self
```
Add allowed path
**Parameters:**
| Name | Type |
| ------ | ------------------------- |
| `path` | `impl Into<String>` |
## Source
`praisonai/src/mcp/mod.rs` at line 132
***
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