Module initialize 

Core MCP protocol types and error handling MCP Initialize Protocol Types

This module defines the types used for the MCP initialization handshake.

Structs

ClientCapabilities

Capabilities that a client may support (per MCP 2025-11-25)

CompletionsCapabilities

Capabilities for completions provided by the server

ElicitationCapabilities

Capabilities related to elicitation support (per MCP 2025-11-25)

Implementation

Describes the name and version of an MCP implementation

InitializeRequest

Parameters for initialize request

InitializeResult

Result payload for initialize (per MCP spec)

LoggingCapabilities

Capabilities for logging provided by the server

PromptsCapabilities

Capabilities for prompts provided by the server

ResourcesCapabilities

Capabilities for resources provided by the server

RootsCapabilities

Capabilities related to root listing support

SamplingCapabilities

Capabilities related to sampling support (per MCP 2025-11-25)

ServerCapabilities

Capabilities that a server may support

TasksCancelCapabilities

Signals support for tasks/cancel — presence means supported, extensible via extra

TasksCapabilities

Capabilities for tasks (per MCP 2025-11-25)

TasksListCapabilities

Signals support for tasks/list — presence means supported, extensible via extra

TasksRequestCapabilities

Describes which request types support task augmentation

TasksToolCallCapabilities

Signals support for task-augmented tools/call — presence means supported

TasksToolCapabilities

Tool-level task capabilities

ToolsCapabilities

Capabilities for tools provided by the server