docs(guide): add MCP support documentation to model plugin system

- Add new MCP support documentation page
- Update sidebar navigation to include MCP support link
- Add MCP support to the list of available model tools
- Fix trailing comma formatting in config.ts

Author: dingyi222666

docs/.vitepress/config.ts

@@ -318,6 +318,10 @@ function sidebarGuide(): DefaultTheme.SidebarItem[] {
                             text: "介绍",
                             link: "/guide/model-plugin-system/introduction",
                         },
+                        {
+                            text: "MCP 支持",
+                            link: "/guide/model-plugin-system/mcp",
+                        },
                         {
                             text: "联网搜索",
                             link: "/guide/model-plugin-system/web-search",
@@ -696,8 +700,8 @@ function sidebarEcosystem(): DefaultTheme.SidebarItem[] {
                 {
                     text: "Smash Or Pass (Translator)",
                     link: "/ecosystem/other/translator",
-                }
-            ]
+                },
+            ],
         },
         {
             text: "其他插件",

docs/guide/model-plugin-system/introduction.md

@@ -18,6 +18,7 @@ Agent 工具是 ChatLuna 的核心功能之一，专为 Agent 模式设计。开
 
 目前 ChatLuna 支持以下的模型工具：
 
+- [MCP 支持](mcp.md)
 - [联网搜索](web-search.md)
 - [网页浏览](web-browser.md)
 - [URL 请求](./specify-api-request.md)

docs/guide/model-plugin-system/mcp.md

@@ -0,0 +1,3 @@
+# MCP 支持
+
+阅读 [MCP 协议客户端](../../ecosystem/plugin/mcp-client.md) 以了解更多。