Struct CorsConfig 

pub struct CorsConfig {
    pub allowed_origins: Vec<String>,
    pub allowed_methods: Vec<Method>,
    pub allowed_headers: Vec<String>,
    pub allow_credentials: bool,
    pub max_age: Option<u32>,
    pub expose_headers: Vec<String>,
}

CORS configuration for Lambda MCP servers

Fields

allowed_origins: Vec<String>

Allowed origins for CORS requests Use “*” to allow all origins (not recommended for production)

allowed_methods: Vec<Method>

Allowed HTTP methods

allowed_headers: Vec<String>

Allowed request headers

allow_credentials: bool

Whether to allow credentials (cookies, authorization headers)

max_age: Option<u32>

Maximum age for preflight cache (in seconds)

expose_headers: Vec<String>

Headers to expose to the client

Implementations

impl CorsConfig

pub fn allow_all() -> Self

Create a CORS config that allows all origins (for development)

pub fn for_origins(origins: Vec<String>) -> Self

Create a CORS config for specific origins

pub fn from_env() -> Self

Create a CORS config from environment variables

Trait Implementations

impl Clone for CorsConfig

fn clone(&self) -> CorsConfig

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CorsConfig

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

Formats the value using the given formatter.

impl Default for CorsConfig

fn default() -> Self

Returns the “default value” for a type.