diff --git a/public/src/admin/settings/activitypub.js b/public/src/admin/settings/activitypub.js
new file mode 100644
index 0000000000..ad112b2398
--- /dev/null
+++ b/public/src/admin/settings/activitypub.js
@@ -0,0 +1,79 @@
+'use strict';
+
+define('admin/settings/activitypub', [
+	'benchpress',
+	'bootbox',
+	'categorySelector',
+	'api',
+], function (Benchpress, bootbox, categorySelector, api) {
+	const Module = {};
+
+	Module.init = function () {
+		const rulesEl = document.getElementById('rules');
+		if (rulesEl) {
+			rulesEl.addEventListener('click', (e) => {
+				const subselector = e.target.closest('[data-action]');
+				if (subselector) {
+					const action = subselector.getAttribute('data-action');
+					switch (action) {
+						case 'rules.add': {
+							Module.throwRulesModal();
+							break;
+						}
+
+						case 'rules.delete': {
+							const rid = subselector.closest('tr').getAttribute('data-rid');
+							api.del(`/admin/activitypub/rules/${rid}`, {}).then(async (data) => {
+								const html = await Benchpress.render('admin/settings/activitypub', { rules: data }, 'rules');
+								const tbodyEl = document.querySelector('#rules tbody');
+								if (tbodyEl) {
+									tbodyEl.innerHTML = html;
+								}
+							});
+						}
+					}
+				}
+			});
+		}
+	};
+
+	Module.throwRulesModal = function () {
+		Benchpress.render('admin/partials/activitypub/rules', {}).then(function (html) {
+			const submit = function () {
+				const formEl = modal.find('form').get(0);
+				const payload = Object.fromEntries(new FormData(formEl));
+
+				api.post('/admin/activitypub/rules', payload).then(async (data) => {
+					const html = await Benchpress.render('admin/settings/activitypub', { rules: data }, 'rules');
+					const tbodyEl = document.querySelector('#rules tbody');
+					if (tbodyEl) {
+						tbodyEl.innerHTML = html;
+					}
+				});
+			};
+			const modal = bootbox.dialog({
+				title: '[[admin/settings/activitypub:rules.add]]',
+				message: html,
+				buttons: {
+					save: {
+						label: '[[global:save]]',
+						className: 'btn-primary',
+						callback: submit,
+					},
+				},
+			});
+
+			// category switcher
+			categorySelector.init(modal.find('[component="category-selector"]'), {
+				onSelect: function (selectedCategory) {
+					modal.find('[name="cid"]').val(selectedCategory.cid);
+				},
+				cacheList: false,
+				showLinks: true,
+				template: 'admin/partials/category/selector-dropdown-right',
+			});
+		});
+	};
+
+	return Module;
+});
diff --git a/src/activitypub/rules.js b/src/activitypub/rules.js
new file mode 100644
index 0000000000..3a9a560552
--- /dev/null
+++ b/src/activitypub/rules.js
@@ -0,0 +1,33 @@
+'use strict';
+
+const db = require('../database');
+const utils = require('../utils');
+
+const Rules = module.exports;
+
+Rules.list = async () => {
+	const rids = await db.getSortedSetMembers('categorization:rid');
+	let rules = await db.getObjects(rids.map(rid => `rid:${rid}`));
+	rules = rules.map((rule, idx) => {
+		rule.rid = rids[idx];
+		return rule;
+	});
+
+	return rules;
+};
+
+Rules.add = async (type, value, cid) => {
+	const uuid = utils.generateUUID();
+
+	await Promise.all([
+		db.setObject(`rid:${uuid}`, { type, value, cid }),
+		db.sortedSetAdd('categorization:rid', Date.now(), uuid),
+	]);
+};
+
+Rules.delete = async (rid) => {
+	await Promise.all([
+		db.sortedSetRemove('categorization:rid', rid),
+		db.delete(`rid:${rid}`),
+	]);
+};
\ No newline at end of file
diff --git a/src/views/admin/partials/activitypub/rules.tpl b/src/views/admin/partials/activitypub/rules.tpl
new file mode 100644
index 0000000000..e321a86744
--- /dev/null
+++ b/src/views/admin/partials/activitypub/rules.tpl
@@ -0,0 +1,26 @@
+<p class="lead">[[admin/settings/activitypub:rules.modal.title]]</p>
+<p>[[admin/settings/activitypub:rules.modal.instructions]]</p>
+
+<hr />
+
+<form role="form">
+	<div class="mb-3">
+		<label class="form-label" for="type">Type</label>
+		<select class="form-control" name="type" id="type">
+			<option value="hashtag">Hashtag</option>
+			<!--<option value="content">Content contains...</option>-->
+		</select>
+	</div>
+	<div class="mb-3">
+		<label class="form-label" for="value">Value</label>
+		<input type="text" id="value" name="value" title="Value" class="form-control" placeholder="forum">
+		<p class="form-text">[[admin/settings/activitypub:rules.modal.values-multiple]]</p>
+	</div>
+	<div class="mb-3">
+		<label class="form-label">Category</label>
+		<div class="d-block">
+			<!-- IMPORT admin/partials/category/selector-dropdown-left.tpl -->
+		</div>
+		<input type="hidden" name="cid" />
+	</div>
+</form>
\ No newline at end of file