Thin MCP Client with Docker MCP Toolkit

This document has a complete usage example of a thin Model Context Protocol (MCP) client of the Wolfram Language paclet "MCPClient". The MCP server is run in Docker -- see "Docker MCP Toolkit". "MCPClient" provides a set of functions for using MCP server's methods by converting them to LLMTool objects. Those objects can be used with Wolfram Language's Large Language Model (LLM) framework.