Type Alias Error 

pub type Error = McpError;

v3.0 Error alias for migration (prefer McpError directly)

Aliased Type

pub struct Error {
    pub id: Uuid,
    pub kind: ErrorKind,
    pub message: String,
    pub source_location: Option<String>,
    pub context: Option<Box<ErrorContext>>,
    pub timestamp: DateTime<Utc>,
}

Fields

id: Uuid

Available on crate feature rich-errors only.

Unique error ID for tracing (only with rich-errors feature)

kind: ErrorKind

Error classification

message: String

Human-readable error message

source_location: Option<String>

Source location (file:line for debugging) Note: Never serialized to clients to prevent information leakage

context: Option<Box<ErrorContext>>

Additional context (boxed to keep McpError small)

timestamp: DateTime<Utc>

Available on crate feature rich-errors only.

Timestamp when error occurred (only with rich-errors feature)