Struct McpConfig 

pub struct McpConfig {
    pub connect_timeout: Duration,
    pub request_timeout: Duration,
    pub max_response_size: usize,
    pub require_tls: bool,
    pub auth_token: Option<String>,
}

MCP client configuration

Security

• connect_timeout: Prevents hanging connections (DoS)
• request_timeout: Prevents slow loris attacks
• max_response_size: Limits memory usage
• require_tls: Enforces encrypted connections

Fields

connect_timeout: Duration

Connection timeout

request_timeout: Duration

Request timeout for tool calls

max_response_size: usize

Maximum response size in bytes

require_tls: bool

Require TLS for connections (enforced for non-localhost)

auth_token: Option<String>

OAuth 2.1 token (if authentication required)

Implementations

impl McpConfig

pub fn with_auth(self, token: impl Into<String>) -> Self

Create config with authentication

pub fn allow_insecure(self) -> Self

Allow non-TLS connections (for local development only)

Security Warning

Only use this for localhost connections during development

Trait Implementations

impl Clone for McpConfig

fn clone(&self) -> McpConfig

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for McpConfig

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for McpConfig

fn default() -> Self

Returns the “default value” for a type.