docs(mcp): update MCP documentation with protocol details

Add a detailed description of the Model Context Protocol (MCP) and its purpose. Include installation requirements for Node.js and update the MCP client reference to specify the JetBrains MCP Proxy Server.

Author: phodal

docs/mcp/mcp.md

@@ -6,13 +6,24 @@ has_children: true
 permalink: /mcp
 ---
 
-In issue [#330](https://github.com/unit-mesh/auto-dev/issues/330), we discussed the possibility of using AutoDev as a MCP server.
+# Model Context Protocol (MCP)
+
+> MCP is an open protocol that standardizes how applications provide context to LLMs. Think of MCP like a USB-C port for
+> AI applications. Just as USB-C provides a standardized way to connect your devices to various peripherals and
+> accessories, MCP provides a standardized way to connect AI models to different data sources and tools.
+
+In issue [#330](https://github.com/unit-mesh/auto-dev/issues/330), we discussed the possibility of using AutoDev as a
+MCP server.
 This document will discuss the implementation details.
 
+Requirements: Install Node.js with Npx
+
+- https://nodejs.org/en/download/package-manager
+
 ## How to use
 
 1. Enable the MCP server in AutoDev settings
-2. Use the MCP client to connect to the AutoDev server (We use JetBrains MCP Proxy to keep same protocol)
+2. Use the MCP client to connect to the AutoDev server (We use JetBrains MCP Proxy Server to keep same protocol)
 
 ```json
 {