diff --git a/scripts/seed-users.ts b/scripts/seed-users.ts
new file mode 100644
index 00000000000..d23fc2a9e14
--- /dev/null
+++ b/scripts/seed-users.ts
@@ -0,0 +1,78 @@
+import { faker } from '@faker-js/faker';
+import KeycloakAdminClient from '@keycloak/keycloak-admin-client';
+
+const host = 'http://127.0.0.1:8080/';
+const keycloak = new KeycloakAdminClient({
+	baseUrl: host,
+	realmName: 'master',
+});
+
+async function login(): Promise<void> {
+	await keycloak.auth({
+		clientId: 'admin-cli',
+		grantType: 'password',
+		username: 'keycloak',
+		password: 'keycloak',
+	});
+}
+
+async function refresh(): Promise<void> {
+	const { access_token, refresh_token } = await (
+		await fetch(`http://${host}/realms/master/protocol/openid-connect/token`, {
+			method: 'post',
+			body: JSON.stringify({
+				client_id: 'admin-cli',
+				grant_type: 'refresh_token',
+				refresh_token: keycloak.refreshToken,
+			}),
+		})
+	).json();
+	keycloak.setAccessToken(access_token);
+	keycloak.refreshToken = refresh_token;
+}
+
+async function createUser(index: number): Promise<void> {
+	const firstName = faker.person.firstName();
+	const lastName = faker.person.lastName();
+	try {
+		await keycloak.users.create({
+			realm: 'foobar',
+			username: `${index}.${lastName}@sp-sh.de`,
+			firstName,
+			lastName,
+			email: `${index}.${lastName}@sp-sh.de`,
+		});
+	} catch (err) {
+		// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access
+		if (err.response.status === 401) {
+			await refresh();
+			await keycloak.users.create({
+				realm: 'foobar',
+				username: `${index}.${lastName}@sp-sh.de`,
+				firstName,
+				lastName,
+				email: `${index}.${lastName}@sp-sh.de`,
+			});
+		}
+		console.warn(err);
+	}
+}
+
+async function main(): Promise<void> {
+	await login();
+
+	const count = keycloak.users.count({ realm: 'foobar' });
+	console.log(`${count} users in the foobar realm.`);
+
+	// for (let i = 0; i < 100; i += 1) {
+	// 	const tasks = new Array<Promise<void>>();
+	// 	for (let j = 0; j < 1_000; j += 1) {
+	// 		tasks.push(createUser(j + j * i));
+	// 	}
+	// 	await Promise.allSettled(tasks);
+	// }
+}
+
+main()
+	.then(() => console.log('seeded all users'))
+	.catch((error) => console.error(error));