Module protocol 

MCP JSON-RPC Protocol Types

This module defines the core JSON-RPC 2.0 protocol types used for communicating with Model Context Protocol (MCP) servers.

Modules

error_codes

Standard JSON-RPC error codes

Structs

CallToolParams

MCP tools/call request parameters

CallToolResult

MCP tools/call response

JsonRpcError

JSON-RPC 2.0 Error

JsonRpcRequest

JSON-RPC 2.0 Request

JsonRpcResponse

JSON-RPC 2.0 Response

ListToolsParams

MCP tools/list request parameters

ListToolsResult

MCP tools/list response

McpCapabilities

MCP server capabilities.

McpServerInfo

MCP server information.

McpToolDef

MCP Tool Definition (from tools/list response)

ToolDefinition

Tool definition for LLM providers.

ToolInputSchema

JSON Schema for tool inputs (legacy format)

Enums

JsonRpcId

JSON-RPC ID can be string, number, or null

JsonRpcPayload

ToolContent

Tool execution content (text or other types)

Constants

MCP_PROTOCOL_VERSION

Current MCP protocol version.