Type Alias McpError`Experimental`

UNSTABLE

An inner MCP error, distinct from an outer ACP binding or runtime error.

code and message are required and non-null. data is optional; explicit null is preserved separately from an omitted key.

type McpError = {
    code: number;
    message: string;
    data?: unknown;
    [key: string]: unknown;
}

Properties

code: number

Inner MCP error code; never an ACP error code.

message: string

Inner MCP error message.

data?: unknown

Optional error data; explicit null is retained.