diff --git a/packages/frontend/src/components/MkAsUi.vue b/packages/frontend/src/components/MkAsUi.vue
index bc1e25957b..ec214f0396 100644
--- a/packages/frontend/src/components/MkAsUi.vue
+++ b/packages/frontend/src/components/MkAsUi.vue
@@ -33,6 +33,12 @@
 		<option v-for="item in c.items" :key="item.value" :value="item.value">{{ item.text }}</option>
 	</MkSelect>
 	<MkButton v-else-if="c.type === 'postFormButton'" :primary="c.primary" :rounded="c.rounded" :small="size === 'small'" @click="openPostForm">{{ c.text }}</MkButton>
+	<FormFolder v-else-if="c.type === 'folder'" :default-open="c.opened">
+		<template #label>{{ c.title }}</template>
+		<template v-for="child in c.children" :key="child">
+			<MkAsUi v-if="!g(child).hidden" :component="g(child)" :components="props.components" :size="size"/>
+		</template>
+	</FormFolder>
 	<div v-else-if="c.type === 'container'" :class="[$style.container, { [$style.fontSerif]: c.font === 'serif', [$style.fontMonospace]: c.font === 'monospace', [$style.containerCenter]: c.align === 'center' }]" :style="{ backgroundColor: c.bgColor ?? null, color: c.fgColor ?? null, borderWidth: c.borderWidth ? `${c.borderWidth}px` : 0, borderColor: c.borderColor ?? 'var(--divider)', padding: c.padding ? `${c.padding}px` : 0, borderRadius: c.rounded ? '8px' : 0 }">
 		<template v-for="child in c.children" :key="child">
 			<MkAsUi v-if="!g(child).hidden" :component="g(child)" :components="props.components" :size="size"/>
@@ -50,6 +56,7 @@ import MkSwitch from '@/components/form/switch.vue';
 import MkTextarea from '@/components/form/textarea.vue';
 import MkSelect from '@/components/form/select.vue';
 import { AsUiComponent } from '@/scripts/aiscript/ui';
+import FormFolder from '@/components/form/folder.vue';
 
 const props = withDefaults(defineProps<{
 	component: AsUiComponent;
diff --git a/packages/frontend/src/scripts/aiscript/ui.ts b/packages/frontend/src/scripts/aiscript/ui.ts
index f4c89b8276..6e0e312116 100644
--- a/packages/frontend/src/scripts/aiscript/ui.ts
+++ b/packages/frontend/src/scripts/aiscript/ui.ts
@@ -100,6 +100,13 @@ export type AsUiSelect = AsUiComponentBase & {
 	caption?: string;
 };
 
+export type AsUiFolder = AsUiComponentBase & {
+	type: 'folder';
+	children?: AsUiComponent['id'][];
+	title?: string;
+	opened?: boolean;
+};
+
 export type AsUiPostFormButton = AsUiComponentBase & {
 	type: 'postFormButton';
 	text?: string;
@@ -110,7 +117,7 @@ export type AsUiPostFormButton = AsUiComponentBase & {
 	};
 };
 
-export type AsUiComponent = AsUiRoot | AsUiContainer | AsUiText | AsUiMfm | AsUiButton | AsUiButtons | AsUiSwitch | AsUiTextarea | AsUiTextInput | AsUiNumberInput | AsUiSelect | AsUiPostFormButton;
+export type AsUiComponent = AsUiRoot | AsUiContainer | AsUiText | AsUiMfm | AsUiButton | AsUiButtons | AsUiSwitch | AsUiTextarea | AsUiTextInput | AsUiNumberInput | AsUiSelect | AsUiFolder | AsUiPostFormButton;
 
 export function patch(id: string, def: values.Value, call: (fn: values.VFn, args: values.Value[]) => Promise<values.Value>) {
 	// TODO
@@ -389,6 +396,26 @@ function getSelectOptions(def: values.Value | undefined, call: (fn: values.VFn,
 	};
 }
 
+function getFolderOptions(def: values.Value | undefined): Omit<AsUiFolder, 'id' | 'type'> {
+	utils.assertObject(def);
+
+	const children = def.value.get('children');
+	if (children) utils.assertArray(children);
+	const title = def.value.get('title');
+	if (title) utils.assertString(title);
+	const opened = def.value.get('opened');
+	if (opened) utils.assertBoolean(opened);
+
+	return {
+		children: children ? children.value.map(v => {
+			utils.assertObject(v);
+			return v.value.get('id').value;
+		}) : [],
+		title: title?.value ?? '',
+		opened: opened?.value ?? true,
+	};
+}
+
 function getPostFormButtonOptions(def: values.Value | undefined, call: (fn: values.VFn, args: values.Value[]) => Promise<values.Value>): Omit<AsUiPostFormButton, 'id' | 'type'> {
 	utils.assertObject(def);
 
@@ -519,6 +546,10 @@ export function registerAsUiLib(components: Ref<AsUiComponent>[], done: (root: R
 			return createComponentInstance('select', def, id, getSelectOptions, opts.call);
 		}),
 
+		'Ui:C:folder': values.FN_NATIVE(async ([def, id], opts) => {
+			return createComponentInstance('folder', def, id, getFolderOptions, opts.call);
+		}),
+
 		'Ui:C:postFormButton': values.FN_NATIVE(async ([def, id], opts) => {
 			return createComponentInstance('postFormButton', def, id, getPostFormButtonOptions, opts.call);
 		}),