mcp_protocol_sdk::protocol

Module types

Expand description

MCP protocol type definitions

This module contains all the core types defined by the Model Context Protocol specification, including messages, capabilities, and content types.

Structs§

ClientCapabilities: Capabilities advertised by an MCP client
ClientInfo: Information about an MCP client
JsonRpcError: JSON-RPC 2.0 error information
JsonRpcNotification: JSON-RPC 2.0 notification message
JsonRpcRequest: JSON-RPC 2.0 request message
JsonRpcResponse: JSON-RPC 2.0 response message
PromptArgument: Argument for a prompt
PromptInfo: Information about a prompt
PromptMessage: Message in a prompt result
PromptResult: Result of prompt execution
PromptsCapability: Prompt-related server capabilities
ResourceContent: Content of a resource
ResourceInfo: Information about a resource
ResourcesCapability: Resource-related server capabilities
SamplingCapability: Sampling-related capabilities
ServerCapabilities: Capabilities advertised by an MCP server
ServerInfo: Information about an MCP server
ToolInfo: Information about a tool
ToolResult: Result of a tool execution
ToolsCapability: Tool-related server capabilities

Enums§

Content: Content that can be returned by tools, resources, or prompts
PromptContent: Content of a prompt message

Constants§

INTERNAL_ERROR: Internal JSON-RPC error
INVALID_PARAMS: Invalid method parameter(s)
INVALID_REQUEST: The JSON sent is not a valid Request object
METHOD_NOT_FOUND: The method does not exist / is not available
PARSE_ERROR: Invalid JSON was received
PROMPT_NOT_FOUND: Prompt not found
RESOURCE_NOT_FOUND: Resource not found
TOOL_NOT_FOUND: Tool not found