diff --git a/docusaurus.config.ts b/docusaurus.config.ts
index 701c2922b3..d4f325aeb5 100644
--- a/docusaurus.config.ts
+++ b/docusaurus.config.ts
@@ -3,6 +3,7 @@ import type { Config } from "@docusaurus/types";
 import { themes as prismThemes } from "prism-react-renderer";
 
 import markdownExportRegistry from "./src/plugins/markdown-export/registry";
+
 const config: Config = {
   title: "Apache Cloudberry (Incubating)",
   tagline: "One advanced and mature open-source MPP (Massively Parallel Processing) database. Open source alternative to Greenplum Database.",
@@ -69,6 +70,32 @@ const config: Config = {
     ],
   ],
 
+  // "Ask AI" assistant from kapa.ai, answering questions from the docs.
+  // Sources, allowed domains and the Website ID below (public, not a secret)
+  // are managed in the Kapa dashboard. For the ASF privacy policy the widget
+  // sets no tracking cookie, uses hCaptcha instead of Google reCAPTCHA, and
+  // asks for consent before the first question is sent.
+  scripts: [
+    {
+      src: "https://widget.kapa.ai/kapa-widget.bundle.js",
+      "data-website-id": "9d55c09f-0362-44eb-a3bf-37ba3c12d572",
+      "data-project-name": "Apache Cloudberry",
+      "data-project-color": "#ff5900",
+      "data-project-logo": "https://cloudberry.apache.org/img/favicon.ico",
+      "data-modal-title": "Apache Cloudberry AI Assistant",
+      "data-modal-disclaimer":
+        "Answers are generated by AI from the [Apache Cloudberry documentation](https://cloudberry.apache.org/docs/) and may be inaccurate. Please verify important details against the docs.",
+      "data-modal-example-questions":
+        "How do I install Apache Cloudberry?,How is Cloudberry different from Greenplum?,How do I load data with gpfdist?",
+      "data-user-analytics-cookie-enabled": "false",
+      "data-bot-protection-mechanism": "hcaptcha",
+      "data-consent-required": "true",
+      "data-consent-screen-disclaimer":
+        "By clicking "I agree, let's chat", you consent to the use of the AI assistant in accordance with kapa.ai's [Privacy Policy](https://www.kapa.ai/content/privacy-policy). This service uses hCaptcha, which is subject to hCaptcha's [Privacy Policy](https://www.hcaptcha.com/privacy) and [Terms of Service](https://www.hcaptcha.com/terms).",
+      async: true,
+    },
+  ],
+
   presets: [
     [
       "classic",