Add git ignore

Author: SimengBian

doc/docs/en/user-guide/agent-development.md

@@ -58,13 +58,15 @@ Nexent allows you to quickly use third-party MCP tools to enrich agent capabilit
 
 1. On the "Select Tools" tab, click "MCP Config" to configure MCP servers in the popup and view configured servers
 2. Enter the server name and URL (currently only SSE protocol is supported)
+   - ⚠️ **Note:** The server name must contain only English letters or digits; spaces, underscores, and other characters are not allowed.
 3. Click "Add" to complete the addition
 
 <div style="display: flex; justify-content: left;">
   <img src="./assets/agent/mcp.png" style="width: 80%; height: auto;" />
 </div>
 
 Many third-party services such as [ModelScope](https://www.modelscope.cn/mcp) provide MCP services, which you can quickly integrate and use.
+You can also develop your own MCP services and connect them to Nexent; see [MCP Server Development](../mcp-ecosystem/mcp-server-development.md).
 
 ### Custom Tools
 

doc/docs/zh/user-guide/agent-development.md

@@ -65,7 +65,7 @@ Nexent支持您快速便捷地使用第三方MCP工具，丰富Agent能力。
 </div>
 
 有许多三方服务如 [ModelScope](https://www.modelscope.cn/mcp) 提供了MCP服务，您可以快速接入使用。
-您也可以自行开发MCP服务并接入Nexent使用，
+您也可以自行开发MCP服务并接入Nexent使用，参考文档[MCP 服务开发](../mcp-ecosystem/mcp-server-development.md)。
 
 ### 自定义工具