diff --git a/docs/_static/js/chatbot_widget_cn.js b/docs/_static/js/chatbot_widget_cn.js
index 3f0465da64..09a5414665 100644
--- a/docs/_static/js/chatbot_widget_cn.js
+++ b/docs/_static/js/chatbot_widget_cn.js
@@ -5,6 +5,7 @@ document.addEventListener("DOMContentLoaded", function () {
     script.setAttribute("data-website-id", "6b18f5e5-d883-4ccd-9a24-371457cc0d7b");
     script.setAttribute("data-mcp-enabled", "true");
     script.setAttribute("data-mcp-server-url", "https://mcp.espressif.com/docs");
+    script.setAttribute("data-mcp-dropdown-description", "更多关于乐鑫文档 MCP 服务器的信息请参阅[这篇文章](https://blog.csdn.net/espressif/article/details/159958703?spm=1001.2014.3001.5501)。");
     script.setAttribute("data-mcp-button-text", "MCP 服务器");
     script.setAttribute("data-modal-title", "ESP-IDF 编程指南文档 AI 助手");
     script.setAttribute("data-project-name", "ESP-IDF 编程指南");
diff --git a/docs/_static/js/chatbot_widget_en.js b/docs/_static/js/chatbot_widget_en.js
index 17f46d9167..661fdc036f 100644
--- a/docs/_static/js/chatbot_widget_en.js
+++ b/docs/_static/js/chatbot_widget_en.js
@@ -5,6 +5,7 @@ document.addEventListener("DOMContentLoaded", function () {
     script.setAttribute("data-website-id", "e569d308-b8f4-43d1-a0d2-bebc1ece63de");
     script.setAttribute("data-mcp-enabled", "true");
     script.setAttribute("data-mcp-server-url", "https://mcp.espressif.com/docs");
+    script.setAttribute("data-mcp-dropdown-description", "Learn more about Espressif Documentation MCP server in [this article](https://developer.espressif.com/blog/2026/04/doc-mcp-server/).");
     script.setAttribute("data-mcp-button-text", "MCP Server");
     script.setAttribute("data-project-name", "ESP-IDF Programming Guide");
     script.setAttribute("data-project-color", "#C62817");