diff --git a/.changeset/quick-islands-call.md b/.changeset/quick-islands-call.md
new file mode 100644
index 000000000..305e5a382
--- /dev/null
+++ b/.changeset/quick-islands-call.md
@@ -0,0 +1,15 @@
+---
+'astro': patch
+---
+
+Add an `astro/config` entrypoint with a `defineConfig` utility.
+
+Config files can now be easily benefit from Intellisense using the following approach:
+
+```js
+import { defineConfig } from 'astro/config';
+
+export default defineConfig({
+  renderers: []
+})
+```
diff --git a/examples/blog-multiple-authors/astro.config.mjs b/examples/blog-multiple-authors/astro.config.mjs
index a1516f292..a024b64b4 100644
--- a/examples/blog-multiple-authors/astro.config.mjs
+++ b/examples/blog-multiple-authors/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable the Preact renderer to support Preact JSX components.
 	renderers: ['@astrojs/renderer-preact'],
 });
diff --git a/examples/blog/astro.config.mjs b/examples/blog/astro.config.mjs
index b769e1743..f682daa06 100644
--- a/examples/blog/astro.config.mjs
+++ b/examples/blog/astro.config.mjs
@@ -1,14 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
-	// Enable the Preact renderer to support Preact JSX components.
+// https://astro.build/config
+export default defineConfig({
 	renderers: ['@astrojs/renderer-preact'],
 	buildOptions: {
 		site: 'https://example.com/',
diff --git a/examples/component/demo/astro.config.mjs b/examples/component/demo/astro.config.mjs
index d68cea82c..c6e58dbdc 100644
--- a/examples/component/demo/astro.config.mjs
+++ b/examples/component/demo/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Comment out "renderers: []" to enable Astro's default component support.
 	renderers: [],
 });
diff --git a/examples/docs/astro.config.mjs b/examples/docs/astro.config.mjs
index 075ab81fe..9f97b3a89 100644
--- a/examples/docs/astro.config.mjs
+++ b/examples/docs/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	renderers: [
 		// Enable the Preact renderer to support Preact JSX components.
 		'@astrojs/renderer-preact',
diff --git a/examples/env-vars/astro.config.mjs b/examples/env-vars/astro.config.mjs
index 67c95c240..e3579a160 100644
--- a/examples/env-vars/astro.config.mjs
+++ b/examples/env-vars/astro.config.mjs
@@ -1,8 +1,6 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
-	// Comment out "renderers: []" to enable Astro's default component support.
+// https://astro.build/config
+export default defineConfig({
 	renderers: [],
 });
diff --git a/examples/framework-alpine/astro.config.mjs b/examples/framework-alpine/astro.config.mjs
index 05fc24b01..9827239bb 100644
--- a/examples/framework-alpine/astro.config.mjs
+++ b/examples/framework-alpine/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// No renderers are needed for AlpineJS support, just use Astro components!
 	renderers: [],
 });
diff --git a/examples/framework-lit/astro.config.mjs b/examples/framework-lit/astro.config.mjs
index 0e5346799..c86c77bf7 100644
--- a/examples/framework-lit/astro.config.mjs
+++ b/examples/framework-lit/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable the lit renderer to support LitHTML components and templates.
 	renderers: ['@astrojs/renderer-lit'],
 });
diff --git a/examples/framework-multiple/astro.config.mjs b/examples/framework-multiple/astro.config.mjs
index ce173ed92..90f8b2ca4 100644
--- a/examples/framework-multiple/astro.config.mjs
+++ b/examples/framework-multiple/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable many renderers to support all different kinds of components.
 	renderers: ['@astrojs/renderer-preact', '@astrojs/renderer-react', '@astrojs/renderer-svelte', '@astrojs/renderer-vue', '@astrojs/renderer-solid'],
 });
diff --git a/examples/framework-preact/astro.config.mjs b/examples/framework-preact/astro.config.mjs
index a1516f292..a024b64b4 100644
--- a/examples/framework-preact/astro.config.mjs
+++ b/examples/framework-preact/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable the Preact renderer to support Preact JSX components.
 	renderers: ['@astrojs/renderer-preact'],
 });
diff --git a/examples/framework-react/astro.config.mjs b/examples/framework-react/astro.config.mjs
index 443a69232..b35ad27e9 100644
--- a/examples/framework-react/astro.config.mjs
+++ b/examples/framework-react/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable the React renderer to support React JSX components.
 	renderers: ['@astrojs/renderer-react'],
 });
diff --git a/examples/framework-solid/astro.config.mjs b/examples/framework-solid/astro.config.mjs
index 72c154cb3..c78642c43 100644
--- a/examples/framework-solid/astro.config.mjs
+++ b/examples/framework-solid/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable the Solid renderer to support Solid JSX components.
 	renderers: ['@astrojs/renderer-solid'],
 });
diff --git a/examples/framework-svelte/astro.config.mjs b/examples/framework-svelte/astro.config.mjs
index a22ba9c95..4452ef101 100644
--- a/examples/framework-svelte/astro.config.mjs
+++ b/examples/framework-svelte/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable the Svelte renderer to support Svelte components.
 	renderers: ['@astrojs/renderer-svelte'],
 });
diff --git a/examples/framework-vue/astro.config.mjs b/examples/framework-vue/astro.config.mjs
index 950355760..563e8b8fc 100644
--- a/examples/framework-vue/astro.config.mjs
+++ b/examples/framework-vue/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable the Vue renderer to support Vue components.
 	renderers: ['@astrojs/renderer-vue'],
 });
diff --git a/examples/minimal/astro.config.mjs b/examples/minimal/astro.config.mjs
index 67c95c240..c6e58dbdc 100644
--- a/examples/minimal/astro.config.mjs
+++ b/examples/minimal/astro.config.mjs
@@ -1,8 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Comment out "renderers: []" to enable Astro's default component support.
 	renderers: [],
 });
diff --git a/examples/non-html-pages/astro.config.mjs b/examples/non-html-pages/astro.config.mjs
index 67c95c240..c6e58dbdc 100644
--- a/examples/non-html-pages/astro.config.mjs
+++ b/examples/non-html-pages/astro.config.mjs
@@ -1,8 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Comment out "renderers: []" to enable Astro's default component support.
 	renderers: [],
 });
diff --git a/examples/portfolio/astro.config.mjs b/examples/portfolio/astro.config.mjs
index a1516f292..a024b64b4 100644
--- a/examples/portfolio/astro.config.mjs
+++ b/examples/portfolio/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable the Preact renderer to support Preact JSX components.
 	renderers: ['@astrojs/renderer-preact'],
 });
diff --git a/examples/ssr/astro.config.mjs b/examples/ssr/astro.config.mjs
index c96372f66..d54ab5929 100644
--- a/examples/ssr/astro.config.mjs
+++ b/examples/ssr/astro.config.mjs
@@ -1,6 +1,6 @@
 // @ts-check
 
-export default /** @type {import('astro').AstroUserConfig} */ ({
+export default defineConfig({
 	renderers: ['@astrojs/renderer-svelte'],
 	vite: {
 		server: {
diff --git a/examples/starter/astro.config.mjs b/examples/starter/astro.config.mjs
index a5fc95e58..f8ad313bc 100644
--- a/examples/starter/astro.config.mjs
+++ b/examples/starter/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Set "renderers" to "[]" to disable all default, builtin component support.
 	renderers: [],
 });
diff --git a/examples/subpath/astro.config.mjs b/examples/subpath/astro.config.mjs
index 2b41e4ce7..42ecf7db4 100644
--- a/examples/subpath/astro.config.mjs
+++ b/examples/subpath/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Comment out "renderers: []" to enable Astro's default component support.
 	buildOptions: {
 		site: 'http://example.com/blog',
diff --git a/examples/with-markdown-plugins/astro.config.mjs b/examples/with-markdown-plugins/astro.config.mjs
index c25530d6a..26d986ce1 100644
--- a/examples/with-markdown-plugins/astro.config.mjs
+++ b/examples/with-markdown-plugins/astro.config.mjs
@@ -1,15 +1,9 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
-
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
+import { defineConfig } from 'astro/config';
 import astroRemark from '@astrojs/markdown-remark';
 import addClasses from './add-classes.mjs';
 
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable Custom Markdown options, plugins, etc.
 	renderers: [],
 	markdownOptions: {
diff --git a/examples/with-markdown-shiki/astro.config.mjs b/examples/with-markdown-shiki/astro.config.mjs
index 59502b3a8..3e9c52479 100644
--- a/examples/with-markdown-shiki/astro.config.mjs
+++ b/examples/with-markdown-shiki/astro.config.mjs
@@ -1,14 +1,8 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
-
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
+import { defineConfig } from 'astro/config';
 import astroRemark from '@astrojs/markdown-remark';
 
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable Custom Markdown options, plugins, etc.
 	renderers: [],
 	markdownOptions: {
diff --git a/examples/with-markdown/astro.config.mjs b/examples/with-markdown/astro.config.mjs
index cad67e3e4..f5069ec18 100644
--- a/examples/with-markdown/astro.config.mjs
+++ b/examples/with-markdown/astro.config.mjs
@@ -1,12 +1,6 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	renderers: ['@astrojs/renderer-preact', '@astrojs/renderer-react', '@astrojs/renderer-svelte', '@astrojs/renderer-vue'],
 });
diff --git a/examples/with-nanostores/astro.config.mjs b/examples/with-nanostores/astro.config.mjs
index ce173ed92..90f8b2ca4 100644
--- a/examples/with-nanostores/astro.config.mjs
+++ b/examples/with-nanostores/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable many renderers to support all different kinds of components.
 	renderers: ['@astrojs/renderer-preact', '@astrojs/renderer-react', '@astrojs/renderer-svelte', '@astrojs/renderer-vue', '@astrojs/renderer-solid'],
 });
diff --git a/examples/with-tailwindcss/astro.config.mjs b/examples/with-tailwindcss/astro.config.mjs
index a1516f292..a024b64b4 100644
--- a/examples/with-tailwindcss/astro.config.mjs
+++ b/examples/with-tailwindcss/astro.config.mjs
@@ -1,13 +1,7 @@
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
+import { defineConfig } from 'astro/config';
 
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	// Enable the Preact renderer to support Preact JSX components.
 	renderers: ['@astrojs/renderer-preact'],
 });
diff --git a/examples/with-vite-plugin-pwa/astro.config.mjs b/examples/with-vite-plugin-pwa/astro.config.mjs
index a14546663..7f5cebf51 100644
--- a/examples/with-vite-plugin-pwa/astro.config.mjs
+++ b/examples/with-vite-plugin-pwa/astro.config.mjs
@@ -1,15 +1,8 @@
+import { defineConfig } from 'astro/config';
 import { VitePWA } from 'vite-plugin-pwa';
 
-// Full Astro Configuration API Documentation:
-// https://docs.astro.build/reference/configuration-reference
-
-// @type-check enabled!
-// VSCode and other TypeScript-enabled text editors will provide auto-completion,
-// helpful tooltips, and warnings if your exported object is invalid.
-// You can disable this by removing "@ts-check" and `@type` comments below.
-
-// @ts-check
-export default /** @type {import('astro').AstroUserConfig} */ ({
+// https://astro.build/config
+export default defineConfig({
 	renderers: [],
 	vite: {
 		plugins: [VitePWA()],
diff --git a/packages/astro/config.d.ts b/packages/astro/config.d.ts
new file mode 100644
index 000000000..b63f18336
--- /dev/null
+++ b/packages/astro/config.d.ts
@@ -0,0 +1,7 @@
+type AstroUserConfig = import('./dist/types/@types/astro').AstroUserConfig;
+
+/**
+ * See the full Astro Configuration API Documentation
+ * https://astro.build/config
+ */
+export function defineConfig(config: AstroUserConfig): AstroUserConfig;
diff --git a/packages/astro/config.mjs b/packages/astro/config.mjs
new file mode 100644
index 000000000..cf19c5aa4
--- /dev/null
+++ b/packages/astro/config.mjs
@@ -0,0 +1,3 @@
+export function defineConfig(config) {
+	return config;
+}
diff --git a/packages/astro/package.json b/packages/astro/package.json
index 854c5d9fa..3d9fb5b00 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -16,6 +16,7 @@
   "exports": {
     ".": "./astro.js",
     "./env": "./env.d.ts",
+    "./config": "./config.mjs",
     "./internal": "./internal.js",
     "./app/node": "./dist/core/app/node.js",
     "./client/*": "./dist/runtime/client/*",
@@ -45,6 +46,8 @@
     "components",
     "dist",
     "astro.js",
+    "config.d.ts",
+    "config.mjs",
     "env.d.ts",
     "README.md",
     "vendor"