Enum BackendConfig 

pub enum BackendConfig {
    Stdio {
        command: String,
        args: Option<Vec<String>>,
        env: Option<HashMap<String, String>>,
    },
    Url {
        url: String,
        headers: Option<HashMap<String, String>>,
    },
}

Backend configuration for the MCP server

Defines how the proxy connects to the upstream MCP service.

Variants

Stdio

Connect to a local command via stdio

Fields

command: String

Command to execute (e.g., “npx”, “python”, etc.)

args: Option<Vec<String>>

Arguments for the command

env: Option<HashMap<String, String>>

Environment variables from MCP JSON config

Url

Connect to a remote URL

Fields

url: String

URL of the MCP service

headers: Option<HashMap<String, String>>

Custom HTTP headers (including Authorization)

Trait Implementations

impl Clone for BackendConfig

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BackendConfig

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

Formats the value using the given formatter.