diff --git a/packages/astro/test/actions.test.ts b/packages/astro/test/actions.test.ts
index 73a55be537c2..91affd5c5225 100644
--- a/packages/astro/test/actions.test.ts
+++ b/packages/astro/test/actions.test.ts
@@ -509,6 +509,58 @@ it('Works with adapter and all pages prerendered', async () => {
 	await devServer.stop();
 });
 
+describe('Astro Actions with adapter and all project pages prerendered', () => {
+	it('exposes action RPC routes in dev', async () => {
+		const fixture = await loadFixture({
+			root: './fixtures/actions-all-prerendered/',
+			adapter: testAdapter(),
+		});
+		const devServer = await fixture.startDevServer();
+		assert.ok(devServer, 'Expected dev server to start');
+
+		try {
+			const res = await fixture.fetch('/_actions/ping', {
+				method: 'POST',
+				headers: {
+					'Content-Type': 'application/json',
+				},
+				body: JSON.stringify({ message: 'hello' }),
+			});
+
+			assert.equal(res.ok, true);
+			assert.equal(res.headers.get('Content-Type'), 'application/json+devalue');
+
+			const data = devalue.parse(await res.text());
+			assert.equal(data.message, 'hello');
+		} finally {
+			await devServer.stop();
+		}
+	});
+
+	it('builds server output and exposes action RPC routes', async () => {
+		const fixture = await loadFixture({
+			root: './fixtures/actions-all-prerendered/',
+			adapter: testAdapter(),
+		});
+		await fixture.build();
+		const app = await fixture.loadTestAdapterApp();
+		const req = new Request('http://example.com/_actions/ping', {
+			method: 'POST',
+			headers: {
+				'Content-Type': 'application/json',
+			},
+			body: JSON.stringify({ message: 'hello' }),
+		});
+		const res = await app.render(req);
+
+		assert.equal(res.ok, true);
+		assert.equal(res.headers.get('Content-Type'), 'application/json+devalue');
+
+		const data = devalue.parse(await res.text());
+		assert.equal(data.message, 'hello');
+	});
+});
+
 it('Base path should be used', async () => {
 	const fixture = await loadFixture({
 		root: './fixtures/actions/',
diff --git a/packages/astro/test/fixtures/actions-all-prerendered/astro.config.mjs b/packages/astro/test/fixtures/actions-all-prerendered/astro.config.mjs
new file mode 100644
index 000000000000..5fcf16f98722
--- /dev/null
+++ b/packages/astro/test/fixtures/actions-all-prerendered/astro.config.mjs
@@ -0,0 +1,8 @@
+import { defineConfig } from 'astro/config';
+
+export default defineConfig({
+	output: 'server',
+	security: {
+		checkOrigin: false,
+	},
+});
diff --git a/packages/astro/test/fixtures/actions-all-prerendered/package.json b/packages/astro/test/fixtures/actions-all-prerendered/package.json
new file mode 100644
index 000000000000..916597b61fcd
--- /dev/null
+++ b/packages/astro/test/fixtures/actions-all-prerendered/package.json
@@ -0,0 +1,8 @@
+{
+	"name": "@test/actions-all-prerendered",
+	"version": "0.0.0",
+	"private": true,
+	"dependencies": {
+		"astro": "workspace:*"
+	}
+}
diff --git a/packages/astro/test/fixtures/actions-all-prerendered/src/actions/index.ts b/packages/astro/test/fixtures/actions-all-prerendered/src/actions/index.ts
new file mode 100644
index 000000000000..d2ab0beb5977
--- /dev/null
+++ b/packages/astro/test/fixtures/actions-all-prerendered/src/actions/index.ts
@@ -0,0 +1,13 @@
+import { defineAction } from 'astro:actions';
+import { z } from 'astro/zod';
+
+export const server = {
+	ping: defineAction({
+		input: z.object({
+			message: z.string(),
+		}),
+		handler: async ({ message }) => {
+			return { message };
+		},
+	}),
+};
diff --git a/packages/astro/test/fixtures/actions-all-prerendered/src/pages/index.astro b/packages/astro/test/fixtures/actions-all-prerendered/src/pages/index.astro
new file mode 100644
index 000000000000..f6e8d17cfdd5
--- /dev/null
+++ b/packages/astro/test/fixtures/actions-all-prerendered/src/pages/index.astro
@@ -0,0 +1,5 @@
+---
+export const prerender = true;
+---
+
+<p>All project pages are prerendered.</p>
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index d50f0d8b24b4..b9f069601a72 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1901,6 +1901,12 @@ importers:
         specifier: workspace:*
         version: link:../../..
 
+  packages/astro/test/fixtures/actions-all-prerendered:
+    dependencies:
+      astro:
+        specifier: workspace:*
+        version: link:../../..
+
   packages/astro/test/fixtures/alias:
     dependencies:
       '@astrojs/svelte':