diff --git a/packages/astro/src/vite-plugin-markdown/content-entry-type.ts b/packages/astro/src/vite-plugin-markdown/content-entry-type.ts
new file mode 100644
index 000000000..b6b27fedd
--- /dev/null
+++ b/packages/astro/src/vite-plugin-markdown/content-entry-type.ts
@@ -0,0 +1,16 @@
+import type { ContentEntryType } from 'astro';
+import { fileURLToPath } from 'node:url';
+import { parseFrontmatter } from '../content/utils.js';
+
+export const markdownContentEntryType: ContentEntryType = {
+	extensions: ['.md'],
+	async getEntryInfo({ fileUrl, contents }: { fileUrl: URL; contents: string }) {
+		const parsed = parseFrontmatter(contents, fileURLToPath(fileUrl));
+		return {
+			data: parsed.data,
+			body: parsed.content,
+			slug: parsed.data.slug,
+			rawData: parsed.matter,
+		};
+	},
+};