diff --git a/apps/blog/src/pages/sitemap.txt.ts b/apps/blog/src/pages/sitemap.txt.ts
new file mode 100644
index 0000000..f365408
--- /dev/null
+++ b/apps/blog/src/pages/sitemap.txt.ts
@@ -0,0 +1,37 @@
+import { getCollection } from 'astro:content';
+import yaml from 'js-yaml';
+import bookmarksRaw from '../data/bookmarks.yaml?raw';
+import fs from 'node:fs';
+import path from 'node:path';
+import type { APIContext } from 'astro';
+
+interface Bookmark {
+  date: string;
+  title: string;
+  url: string;
+}
+
+export async function GET(context: APIContext) {
+  const site = context.site?.origin ?? 'https://wynne.rs';
+  const posts = await getCollection('posts');
+  const bookmarks = yaml.load(bookmarksRaw) as Bookmark[];
+
+  const txtDir = path.join(process.cwd(), 'public/txt');
+  const txtFiles = fs.existsSync(txtDir)
+    ? fs.readdirSync(txtDir).filter(file => file.endsWith('.txt'))
+    : [];
+
+  const urls = [
+    '/',
+    '/blog',
+    ...posts.map(post => `/blog/${post.id}`),
+    '/txt',
+    ...txtFiles.map(txt => `/txt/${txt}`),
+    '/bookmarks',
+    '/guestbook',
+  ].map(path => `${site}${path}`);
+
+  return new Response(urls.join('\n'), {
+    headers: { 'Content-Type': 'text/plain' },
+  });
+}