diff --git a/.changeset/perfect-wasps-grow.md b/.changeset/perfect-wasps-grow.md
new file mode 100644
index 000000000000..855c709837b2
--- /dev/null
+++ b/.changeset/perfect-wasps-grow.md
@@ -0,0 +1,17 @@
+---
+'astro': minor
+---
+
+Exposes `z` from the new `astro:schema` module. This is the new recommended import source for all Zod utilities when using Astro Actions.
+
+## Migration for Astro Actions users
+
+`z` will no longer be exposed from `astro:actions`. To use `z` in your actions, import it from `astro:schema` instead:
+
+```diff
+import {
+  defineAction,
+-  z,
+} from 'astro:actions';
++ import { z } from 'astro:schema';
+```
diff --git a/packages/astro/client.d.ts b/packages/astro/client.d.ts
index ed5c1b894d28..2427a0a46a3e 100644
--- a/packages/astro/client.d.ts
+++ b/packages/astro/client.d.ts
@@ -172,6 +172,10 @@ declare module 'astro:components' {
 	export * from 'astro/components';
 }
 
+declare module 'astro:schema' {
+	export * from 'astro/zod';
+}
+
 type MD = import('./dist/@types/astro.js').MarkdownInstance<Record<string, any>>;
 interface ExportedMarkdownModuleEntities {
 	frontmatter: MD['frontmatter'];
diff --git a/packages/astro/e2e/fixtures/actions-blog/src/actions/index.ts b/packages/astro/e2e/fixtures/actions-blog/src/actions/index.ts
index 7b640be51686..43ffb43d42d4 100644
--- a/packages/astro/e2e/fixtures/actions-blog/src/actions/index.ts
+++ b/packages/astro/e2e/fixtures/actions-blog/src/actions/index.ts
@@ -1,5 +1,6 @@
 import { db, Comment, Likes, eq, sql } from 'astro:db';
-import { ActionError, defineAction, z } from 'astro:actions';
+import { ActionError, defineAction } from 'astro:actions';
+import { z } from 'astro:schema';
 import { getCollection } from 'astro:content';
 
 export const server = {
diff --git a/packages/astro/e2e/fixtures/actions-react-19/src/actions/index.ts b/packages/astro/e2e/fixtures/actions-react-19/src/actions/index.ts
index cd42207729cf..754db0171edc 100644
--- a/packages/astro/e2e/fixtures/actions-react-19/src/actions/index.ts
+++ b/packages/astro/e2e/fixtures/actions-react-19/src/actions/index.ts
@@ -1,5 +1,6 @@
 import { db, Likes, eq, sql } from 'astro:db';
-import { defineAction, z, type SafeResult } from 'astro:actions';
+import { defineAction, type SafeResult } from 'astro:actions';
+import { z } from 'astro:schema';
 import { experimental_getActionState } from '@astrojs/react/actions';
 
 export const server = {
diff --git a/packages/astro/playwright.config.js b/packages/astro/playwright.config.js
index 26572c66c872..d9ea2c46916e 100644
--- a/packages/astro/playwright.config.js
+++ b/packages/astro/playwright.config.js
@@ -7,7 +7,10 @@ process.stdout.isTTY = false;
 
 export default defineConfig({
 	testMatch: 'e2e/*.test.js',
-	timeout: 40000,
+	timeout: 40_000,
+	expect: {
+		timeout: 6_000,
+	},
 	forbidOnly: !!process.env.CI,
 	retries: process.env.CI ? 2 : 0,
 	workers: process.env.CI ? 1 : undefined,
diff --git a/packages/astro/playwright.firefox.config.js b/packages/astro/playwright.firefox.config.js
index 00b82d999786..140f288f9e23 100644
--- a/packages/astro/playwright.firefox.config.js
+++ b/packages/astro/playwright.firefox.config.js
@@ -8,7 +8,10 @@ process.stdout.isTTY = false;
 export default defineConfig({
 	// TODO: add more tests like view transitions and audits, and fix them. Some of them are failing.
 	testMatch: ['e2e/css.test.js', 'e2e/prefetch.test.js', 'e2e/view-transitions.test.js'],
-	timeout: 40000,
+	timeout: 40_000,
+	expect: {
+		timeout: 6_000,
+	},
 	forbidOnly: !!process.env.CI,
 	retries: process.env.CI ? 2 : 0,
 	workers: process.env.CI ? 1 : undefined,
diff --git a/packages/astro/src/actions/runtime/virtual/client.ts b/packages/astro/src/actions/runtime/virtual/client.ts
index 424552a9fe06..c80e6778ae7b 100644
--- a/packages/astro/src/actions/runtime/virtual/client.ts
+++ b/packages/astro/src/actions/runtime/virtual/client.ts
@@ -3,12 +3,3 @@ export * from './shared.js';
 export function defineAction() {
 	throw new Error('[astro:action] `defineAction()` unexpectedly used on the client.');
 }
-
-export const z = new Proxy(
-	{},
-	{
-		get() {
-			throw new Error('[astro:action] `z` unexpectedly used on the client.');
-		},
-	},
-);
diff --git a/packages/astro/src/actions/runtime/virtual/server.ts b/packages/astro/src/actions/runtime/virtual/server.ts
index fcb0dc6030dd..cd1b4269ed38 100644
--- a/packages/astro/src/actions/runtime/virtual/server.ts
+++ b/packages/astro/src/actions/runtime/virtual/server.ts
@@ -6,8 +6,6 @@ import { ActionError, ActionInputError, type SafeResult, callSafely } from './sh
 
 export * from './shared.js';
 
-export { z } from 'zod';
-
 export type ActionAccept = 'form' | 'json';
 
 export type ActionHandler<TInputSchema, TOutput> = TInputSchema extends z.ZodType
diff --git a/packages/astro/src/core/create-vite.ts b/packages/astro/src/core/create-vite.ts
index 93bf266dc99b..28ce9810aab3 100644
--- a/packages/astro/src/core/create-vite.ts
+++ b/packages/astro/src/core/create-vite.ts
@@ -194,6 +194,10 @@ export async function createVite(
 					find: 'astro:middleware',
 					replacement: 'astro/virtual-modules/middleware.js',
 				},
+				{
+					find: 'astro:schema',
+					replacement: 'astro/zod',
+				},
 				{
 					find: 'astro:components',
 					replacement: 'astro/components',
diff --git a/packages/astro/test/fixtures/actions/src/actions/index.ts b/packages/astro/test/fixtures/actions/src/actions/index.ts
index 881656994f22..ed7692799353 100644
--- a/packages/astro/test/fixtures/actions/src/actions/index.ts
+++ b/packages/astro/test/fixtures/actions/src/actions/index.ts
@@ -1,4 +1,5 @@
-import { defineAction, ActionError, z } from 'astro:actions';
+import { defineAction, ActionError } from 'astro:actions';
+import { z } from 'astro:schema';
 
 const passwordSchema = z
 	.string()