diff --git a/src/layouts/Layout.astro b/src/layouts/Layout.astro
index b61d8fe..2717b54 100644
--- a/src/layouts/Layout.astro
+++ b/src/layouts/Layout.astro
@@ -10,7 +10,7 @@ interface Props {
   title: string;
   description: string;
   path?: string;
-  ogImage: string;
+  ogImage?: string;
 }
 
 const defaultTitle = siteConfig.title
diff --git a/src/pages/404.astro b/src/pages/404.astro
new file mode 100644
index 0000000..c73b661
--- /dev/null
+++ b/src/pages/404.astro
@@ -0,0 +1,25 @@
+---
+import Layout from '../layouts/Layout.astro';
+
+const url = Astro.url.pathname
+---
+
+<Layout title="404 | Terminal Blog" description="Page not found">
+  <h1 class="title">command not found.</h1>
+  
+  <div class="content">
+    <p class="typewriter">sh: <span class="path">~{url}</span>: command not found.</p>
+    
+    <div style="margin-top: 2rem;">
+      <span class="command">help</span>
+      <div style="margin-top: 1rem; margin-left: 1rem;">
+        <p>
+          Looks like this is an unknown command or file, try:
+        </p>
+        <p>
+          <a href="/">Return to Home</a>
+        </p>
+      </div>
+    </div>
+  </div>
+</Layout>
\ No newline at end of file
diff --git a/src/pages/blog.astro b/src/pages/blog.astro
index 0e7f986..08c41a6 100644
--- a/src/pages/blog.astro
+++ b/src/pages/blog.astro
@@ -6,7 +6,7 @@ const posts = await getCollection('posts');
 posts.sort((a, b) => new Date(b.data.pubDate).getTime() - new Date(a.data.pubDate).getTime());
 ---
 
-<Layout title="Blog | Terminal Blog">
+<Layout title="Blog | Terminal Blog" description="List all files and folders in the directory.">
   <h1 class="title">~/blog</h1>
   
   <div class="content">
diff --git a/src/pages/index.astro b/src/pages/index.astro
index 79733f8..f8bda82 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -3,10 +3,11 @@ import Layout from '../layouts/Layout.astro';
 
 ---
 
-<Layout title="Home | Terminal Blog">
+<Layout title="Home | Terminal Blog" description="That a good start.">
   <h1 class="title">~/</h1>
-  
   <div class="content">
+    <h3>Welcome!</h3>
+
     Not much here yet, but you can check out my blog posts <a href="/blog">here</a>.
     <br />
     If you are site owner, please edit <code>src/pages/index.astro</code> to customize this page.
diff --git a/src/pages/llms.txt.js b/src/pages/llms.txt.js
new file mode 100644
index 0000000..b917536
--- /dev/null
+++ b/src/pages/llms.txt.js
@@ -0,0 +1,42 @@
+import { getCollection } from "astro:content";
+import { siteConfig } from "../config";
+
+// Modified version that outputs markdown content
+export async function GET(context) {
+  let baseUrl = context.site?.href || "https://terminal-blog.example.com";
+  if (baseUrl.at(-1) === "/") baseUrl = baseUrl.slice(0, -1);
+  const markdownText = `# ${siteConfig.title}
+
+> ${siteConfig.description}
+
+${await generateMarkdownSection("posts", "Post", baseUrl)}
+
+${await generateMarkdownSection("pages", "Page", baseUrl)}`;
+
+  return new Response(markdownText);
+}
+
+async function generateMarkdownSection(collectionName, sectionTitle, baseUrl) {
+  const items = await getCollection(collectionName);
+
+  // Sort posts by pubDate if available
+  const sortedItems =
+    collectionName === "posts"
+      ? items.sort((a, b) => (a.data.pubDate > b.data.pubDate ? -1 : 1))
+      : items;
+
+  let markdown = `## ${sectionTitle}\n`;
+
+  for (const item of sortedItems) {
+    const { title, description, slug } = getMetaData(item);
+    markdown += `\n- [${title}](${baseUrl}/post/${slug}): ${description}`;
+  }
+
+  return markdown;
+}
+
+function getMetaData(collection) {
+  const { title, description } = collection.data;
+  const { slug } = collection;
+  return { title, description, slug };
+}