diff --git a/frontend/tests/e2e/graph-flow.spec.ts b/frontend/tests/e2e/graph-flow.spec.ts
new file mode 100644
index 0000000..a05150c
--- /dev/null
+++ b/frontend/tests/e2e/graph-flow.spec.ts
@@ -0,0 +1,25 @@
+import { test, expect } from '@playwright/test';
+
+test('admin creates a routing graph via the UI', async ({ page }) => {
+  // login
+  await page.goto('/login');
+  await page.getByPlaceholder('Admin password').fill('hunter2');
+  await page.getByRole('button', { name: /sign in/i }).click();
+  await page.waitForURL(/^http:\/\/[^/]+\/$/);
+
+  // create first node
+  await page.getByRole('button', { name: /add node/i }).click();
+  await page.getByPlaceholder('Name', { exact: true }).fill('sender');
+  await page.getByPlaceholder(/Stream name/i).fill('SENDER');
+  await page.getByPlaceholder(/Subjects/i).fill('mail.inbox.test-sender.*');
+  await page.getByRole('button', { name: /^create$/i }).click();
+  await expect(page.getByText('SENDER')).toBeVisible({ timeout: 5000 });
+
+  // create second node
+  await page.getByRole('button', { name: /add node/i }).click();
+  await page.getByPlaceholder('Name', { exact: true }).fill('receiver');
+  await page.getByPlaceholder(/Stream name/i).fill('RECEIVER');
+  await page.getByPlaceholder(/Subjects/i).fill('mail.inbox.test-receiver.abcd');
+  await page.getByRole('button', { name: /^create$/i }).click();
+  await expect(page.getByText('RECEIVER')).toBeVisible({ timeout: 5000 });
+});