diff --git a/app/assets/javascripts/discourse/app/components/modal/bulk-topic-actions.gjs b/app/assets/javascripts/discourse/app/components/modal/bulk-topic-actions.gjs
index 0af8b8d4399..5ee59bf64e0 100644
--- a/app/assets/javascripts/discourse/app/components/modal/bulk-topic-actions.gjs
+++ b/app/assets/javascripts/discourse/app/components/modal/bulk-topic-actions.gjs
@@ -4,7 +4,6 @@ import { Input } from "@ember/component";
 import { action, computed } from "@ember/object";
 import { service } from "@ember/service";
 import { Promise } from "rsvp";
-import ChangeTags from "discourse/components/bulk-actions/change-tags";
 import ConditionalLoadingSection from "discourse/components/conditional-loading-section";
 import DButton from "discourse/components/d-button";
 import DModal from "discourse/components/d-modal";
@@ -16,6 +15,12 @@ import i18n from "discourse-common/helpers/i18n";
 import CategoryChooser from "select-kit/components/category-chooser";
 import TagChooser from "select-kit/components/tag-chooser";
 
+const _customActions = {};
+
+export function addBulkDropdownAction(name, customAction) {
+  _customActions[name] = customAction;
+}
+
 export default class BulkTopicActions extends Component {
   @service router;
   @service toasts;
@@ -32,7 +37,11 @@ export default class BulkTopicActions extends Component {
     super(...arguments);
 
     if (this.args.model.initialAction === "set-component") {
-      this.setComponent(ChangeTags);
+      if (this.args.model.initialActionLabel in _customActions) {
+        _customActions[this.args.model.initialActionLabel]({
+          setComponent: this.setComponent.bind(this),
+        });
+      }
     }
   }
 
@@ -110,6 +119,11 @@ export default class BulkTopicActions extends Component {
     this.activeComponent = component;
   }
 
+  @action
+  registerCustomAction(customAction) {
+    this.customAction = customAction;
+  }
+
   @action
   performAction() {
     this.loading = true;
@@ -165,6 +179,14 @@ export default class BulkTopicActions extends Component {
           (t) => t.set("category_id", this.categoryId)
         );
         break;
+      default:
+        // Plugins can register their own custom actions via onRegisterAction
+        // when the activeComponent is rendered.
+        if (this.customAction) {
+          this.customAction(this.performAndRefresh.bind(this));
+        } else {
+          _customActions[this.args.model.initialActionLabel](this);
+        }
     }
   }
 
@@ -292,6 +314,13 @@ export default class BulkTopicActions extends Component {
                 @categoryId={{@categoryId}}
               /></p>
           {{/if}}
+
+          {{#if this.activeComponent}}
+            {{component
+              this.activeComponent
+              onRegisterAction=this.registerCustomAction
+            }}
+          {{/if}}
         </ConditionalLoadingSection>
       </:body>
 
diff --git a/app/assets/javascripts/discourse/app/lib/plugin-api.gjs b/app/assets/javascripts/discourse/app/lib/plugin-api.gjs
index 096c92ce495..ddc4ad7169b 100644
--- a/app/assets/javascripts/discourse/app/lib/plugin-api.gjs
+++ b/app/assets/javascripts/discourse/app/lib/plugin-api.gjs
@@ -141,6 +141,7 @@ import {
   replaceIcon,
 } from "discourse-common/lib/icon-library";
 import { addImageWrapperButton } from "discourse-markdown-it/features/image-controls";
+import { addBulkDropdownButton } from "select-kit/components/bulk-select-topics-dropdown";
 import { CUSTOM_USER_SEARCH_OPTIONS } from "select-kit/components/user-chooser";
 import { modifySelectKit } from "select-kit/mixins/plugin-api";
 
@@ -2877,9 +2878,11 @@ class PluginApi {
    * @param {string} opts.class
    * @param {buttonVisibilityCallback} opts.visible
    * @param {buttonAction} opts.action
+   * @param {string} opts.actionType - type of the action, either performanAndRefresh or setComponent
    */
   addBulkActionButton(opts) {
     _addBulkButton(opts);
+    addBulkDropdownButton(opts);
   }
 
   /**
diff --git a/app/assets/javascripts/select-kit/addon/components/bulk-select-topics-dropdown.js b/app/assets/javascripts/select-kit/addon/components/bulk-select-topics-dropdown.js
index 1395906dabc..c75786024d3 100644
--- a/app/assets/javascripts/select-kit/addon/components/bulk-select-topics-dropdown.js
+++ b/app/assets/javascripts/select-kit/addon/components/bulk-select-topics-dropdown.js
@@ -1,9 +1,32 @@
 import { action } from "@ember/object";
 import { service } from "@ember/service";
-import BulkTopicActions from "discourse/components/modal/bulk-topic-actions";
+import BulkTopicActions, {
+  addBulkDropdownAction,
+} from "discourse/components/modal/bulk-topic-actions";
 import i18n from "discourse-common/helpers/i18n";
 import DropdownSelectBoxComponent from "select-kit/components/dropdown-select-box";
 
+const _customButtons = [];
+const _customOnSelection = {};
+
+export function addBulkDropdownButton(opts) {
+  _customButtons.push({
+    id: opts.label,
+    icon: opts.icon,
+    name: i18n(opts.label),
+    visible: opts.visible,
+  });
+  addBulkDropdownAction(opts.label, opts.action);
+  const actionOpts = {
+    label: opts.label,
+    setComponent: true,
+  };
+  if (opts.actionType === "performAndRefresh") {
+    actionOpts.setComponent = false;
+  }
+  _customOnSelection[opts.label] = actionOpts;
+}
+
 export default DropdownSelectBoxComponent.extend({
   classNames: ["bulk-select-topics-dropdown"],
   headerIcon: null,
@@ -104,7 +127,7 @@ export default DropdownSelectBoxComponent.extend({
       },
     ]);
 
-    return [...options].filter(({ visible }) => {
+    return [...options, ..._customButtons].filter(({ visible }) => {
       if (visible) {
         return visible({
           topics: this.bulkSelectHelper.selected,
@@ -119,16 +142,30 @@ export default DropdownSelectBoxComponent.extend({
 
   showBulkTopicActionsModal(actionName, title, opts = {}) {
     let allowSilent = false;
+    let initialAction = null;
+    let initialActionLabel = null;
     if (opts.allowSilent === true) {
       allowSilent = true;
     }
+    if (opts.custom === true) {
+      title = i18n(_customOnSelection[actionName].label);
+      initialActionLabel = actionName;
+      if (opts.setComponent === true) {
+        initialAction = "set-component";
+      }
+    } else {
+      title = i18n(`topics.bulk.${title}`);
+    }
+
     this.modal.show(BulkTopicActions, {
       model: {
         action: actionName,
-        title: i18n(`topics.bulk.${title}`),
+        title,
         bulkSelectHelper: this.bulkSelectHelper,
         refreshClosure: () => this.router.refresh(),
         allowSilent,
+        initialAction,
+        initialActionLabel,
       },
     });
   },
@@ -174,6 +211,13 @@ export default DropdownSelectBoxComponent.extend({
       case "defer":
         this.showBulkTopicActionsModal(id, "defer");
         break;
+      default:
+        if (_customOnSelection[id]) {
+          this.showBulkTopicActionsModal(id, _customOnSelection[id].label, {
+            custom: true,
+            setComponent: _customOnSelection[id].setComponent,
+          });
+        }
     }
   },
 });