Module notifications 

Core MCP protocol types and error handling MCP Notifications Protocol Types

This module defines types for notifications in MCP according to the 2025-06-18 specification. MCP notifications are JSON-RPC notifications that inform clients about server state changes.

Structs

CancelledNotification

Method: “notifications/cancelled”

CancelledNotificationParams

InitializedNotification

Method: “notifications/initialized”

LoggingMessageNotification

Method: “notifications/message”

LoggingMessageNotificationParams

Notification

Base notification structure following MCP TypeScript specification

NotificationParams

Base notification parameters that can include _meta

ProgressNotification

Method: “notifications/progress”

ProgressNotificationParams

PromptListChangedNotification

Method: “notifications/prompts/listChanged” (per MCP spec)

ResourceListChangedNotification

Method: “notifications/resources/listChanged” (per MCP spec)

ResourceUpdatedNotification

Method: “notifications/resources/updated”

ResourceUpdatedNotificationParams

RootsListChangedNotification

Method: “notifications/roots/listChanged” (per MCP spec)

ToolListChangedNotification

Method: “notifications/tools/listChanged” (per MCP spec)