diff --git a/.changeset/giant-impalas-design.md b/.changeset/giant-impalas-design.md
new file mode 100644
index 000000000000..9c46aea48b0f
--- /dev/null
+++ b/.changeset/giant-impalas-design.md
@@ -0,0 +1,6 @@
+---
+'astro': patch
+'@astrojs/tailwind': patch
+---
+
+Support "astro add" before installing project dependencies
diff --git a/packages/astro/package.json b/packages/astro/package.json
index 0305562aaa9f..92f31808c68e 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -84,8 +84,8 @@
     "@babel/generator": "^7.17.9",
     "@babel/parser": "^7.17.9",
     "@babel/traverse": "^7.17.9",
-    "@proload/core": "^0.2.2",
-    "@proload/plugin-tsm": "^0.1.1",
+    "@proload/core": "^0.3.2-next.4",
+    "@proload/plugin-tsm": "^0.2.1-next.0",
     "ast-types": "^0.14.2",
     "boxen": "^6.2.1",
     "ci-info": "^3.3.0",
diff --git a/packages/astro/src/cli/index.ts b/packages/astro/src/cli/index.ts
index 45f50f832a37..f4a7ed895ac9 100644
--- a/packages/astro/src/cli/index.ts
+++ b/packages/astro/src/cli/index.ts
@@ -104,15 +104,6 @@ export async function cli(args: string[]) {
 		logging.level = 'silent';
 	}
 
-	let config: AstroConfig;
-	try {
-		// Note: ideally, `loadConfig` would return the config AND its filePath
-		// For now, `add` has to resolve the config again internally
-		config = await loadConfig({ cwd: root, flags, cmd });
-	} catch (err) {
-		return throwAndExit(err);
-	}
-
 	switch (cmd) {
 		case 'add': {
 			try {
@@ -124,6 +115,7 @@ export async function cli(args: string[]) {
 		}
 		case 'dev': {
 			try {
+				const config = await loadConfig({ cwd: root, flags, cmd });
 				await devServer(config, { logging });
 				return await new Promise(() => {}); // lives forever
 			} catch (err) {
@@ -133,6 +125,7 @@ export async function cli(args: string[]) {
 
 		case 'build': {
 			try {
+				const config = await loadConfig({ cwd: root, flags, cmd });
 				return await build(config, { logging });
 			} catch (err) {
 				return throwAndExit(err);
@@ -140,12 +133,14 @@ export async function cli(args: string[]) {
 		}
 
 		case 'check': {
+			const config = await loadConfig({ cwd: root, flags, cmd });
 			const ret = await check(config);
 			return process.exit(ret);
 		}
 
 		case 'preview': {
 			try {
+				const config = await loadConfig({ cwd: root, flags, cmd });
 				const server = await preview(config, { logging });
 				return await server.closed(); // keep alive until the server is closed
 			} catch (err) {
diff --git a/packages/astro/src/core/config.ts b/packages/astro/src/core/config.ts
index de947530d888..74942e56ffdb 100644
--- a/packages/astro/src/core/config.ts
+++ b/packages/astro/src/core/config.ts
@@ -10,7 +10,7 @@ import { pathToFileURL, fileURLToPath } from 'url';
 import { mergeConfig as mergeViteConfig } from 'vite';
 import { BUNDLED_THEMES } from 'shiki';
 import { z } from 'zod';
-import load, { ProloadError } from '@proload/core';
+import load, { resolve, ProloadError } from '@proload/core';
 import loadTypeScript from '@proload/plugin-tsm';
 import postcssrc from 'postcss-load-config';
 import { arraify, isObject } from './util.js';
@@ -385,11 +385,15 @@ export async function resolveConfigURL(
 		userConfigPath = /^\.*\//.test(flags.config) ? flags.config : `./${flags.config}`;
 		userConfigPath = fileURLToPath(new URL(userConfigPath, `file://${root}/`));
 	}
-	// Automatically load config file using Proload
+	// Resolve config file path using Proload
 	// If `userConfigPath` is `undefined`, Proload will search for `astro.config.[cm]?[jt]s`
-	const config = await load('astro', { mustExist: false, cwd: root, filePath: userConfigPath });
-	if (config) {
-		return pathToFileURL(config.filePath);
+	const configPath = await resolve('astro', {
+		mustExist: false,
+		cwd: root,
+		filePath: userConfigPath,
+	});
+	if (configPath) {
+		return pathToFileURL(configPath);
 	}
 }
 
diff --git a/packages/integrations/tailwind/package.json b/packages/integrations/tailwind/package.json
index 86a4769a6c10..55361d10abd0 100644
--- a/packages/integrations/tailwind/package.json
+++ b/packages/integrations/tailwind/package.json
@@ -27,7 +27,7 @@
     "dev": "astro-scripts dev \"src/**/*.ts\""
   },
   "dependencies": {
-    "@proload/core": "^0.2.2",
+    "@proload/core": "^0.3.1",
     "autoprefixer": "^10.4.4",
     "postcss": "^8.4.12",
     "tailwindcss": "^3.0.24"
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 835892abd4a7..7920fc6ed2f5 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -457,8 +457,8 @@ importers:
       '@babel/parser': ^7.17.9
       '@babel/traverse': ^7.17.9
       '@babel/types': ^7.17.0
-      '@proload/core': ^0.2.2
-      '@proload/plugin-tsm': ^0.1.1
+      '@proload/core': ^0.3.2-next.4
+      '@proload/plugin-tsm': ^0.2.1-next.0
       '@types/babel__core': ^7.1.19
       '@types/babel__generator': ^7.6.4
       '@types/babel__traverse': ^7.17.0
@@ -542,8 +542,8 @@ importers:
       '@babel/generator': 7.17.9
       '@babel/parser': 7.17.9
       '@babel/traverse': 7.17.9
-      '@proload/core': 0.2.2
-      '@proload/plugin-tsm': 0.1.1_@proload+core@0.2.2
+      '@proload/core': 0.3.2-next.4
+      '@proload/plugin-tsm': 0.2.1-next.0_@proload+core@0.3.2-next.4
       ast-types: 0.14.2
       boxen: 6.2.1
       ci-info: 3.3.0
@@ -1412,7 +1412,7 @@ importers:
 
   packages/integrations/tailwind:
     specifiers:
-      '@proload/core': ^0.2.2
+      '@proload/core': ^0.3.1
       '@types/tailwindcss': ^3.0.10
       astro: workspace:*
       astro-scripts: workspace:*
@@ -1420,7 +1420,7 @@ importers:
       postcss: ^8.4.12
       tailwindcss: ^3.0.24
     dependencies:
-      '@proload/core': 0.2.2
+      '@proload/core': 0.3.1
       autoprefixer: 10.4.4_postcss@8.4.12
       postcss: 8.4.12
       tailwindcss: 3.0.24
@@ -3652,19 +3652,27 @@ packages:
   /@polka/url/1.0.0-next.21:
     resolution: {integrity: sha512-a5Sab1C4/icpTZVzZc5Ghpz88yQtGOyNqYXcZgOssB2uuAr+wF/MvN6bgtW32q7HHrvBki+BsZ0OuNv6EV3K9g==}
 
-  /@proload/core/0.2.2:
-    resolution: {integrity: sha512-HYQEblYXIpW77kvGyW4penEl9D9e9MouPhTqVaDz9+QVFliYjsq18inTfnfTa81s3oraPVtTk60tqCWOf2fKGQ==}
+  /@proload/core/0.3.1:
+    resolution: {integrity: sha512-u902sdjipQ6WjpV6rxcF0CnQP6Z6Gd54MBPuMbZ5amCcdb/meWY6UtCQSLIJmG+zbXtf8Hwzf6ePBey158QAQQ==}
     dependencies:
       deepmerge: 4.2.2
       escalade: 3.1.1
+      resolve-pkg: 2.0.0
     dev: false
 
-  /@proload/plugin-tsm/0.1.1_@proload+core@0.2.2:
-    resolution: {integrity: sha512-qfGegg6I3YBCZDjYR9xb41MTc2EfL0sQQmw49Z/yi9OstIpUa/67MBy4AuNhoyG9FuOXia9gPoeBk5pGnBOGtA==}
+  /@proload/core/0.3.2-next.4:
+    resolution: {integrity: sha512-58nw3h4+qBDizhlTbt/Q4iGWiiSWcYqdRgIAy3KMla1nqNFO8stG5vzDjPGMPyX6DsAhEj3PCqb4G0d82b2kqQ==}
+    dependencies:
+      deepmerge: 4.2.2
+      escalade: 3.1.1
+    dev: false
+
+  /@proload/plugin-tsm/0.2.1-next.0_@proload+core@0.3.2-next.4:
+    resolution: {integrity: sha512-76NvJmWD1MBip1oifMLohTJfdi4DQihTUnwWacscsLxUaT/5/FNNolD5CIoH/+qhsU6HyVpz8JfEzVpkMuxKfA==}
     peerDependencies:
-      '@proload/core': ^0.2.1
+      '@proload/core': ^0.3.2-next.0
     dependencies:
-      '@proload/core': 0.2.2
+      '@proload/core': 0.3.2-next.4
       tsm: 2.2.1
     dev: false
 
@@ -8963,7 +8971,13 @@ packages:
   /resolve-from/5.0.0:
     resolution: {integrity: sha512-qYg9KP24dD5qka9J47d0aVky0N+b4fTU89LN9iDnjB5waksiC49rvMB0PrUJQGoTmH50XPiqOvAjDfaijGxYZw==}
     engines: {node: '>=8'}
-    dev: true
+
+  /resolve-pkg/2.0.0:
+    resolution: {integrity: sha512-+1lzwXehGCXSeryaISr6WujZzowloigEofRB+dj75y9RRa/obVcYgbHJd53tdYw8pvZj8GojXaaENws8Ktw/hQ==}
+    engines: {node: '>=8'}
+    dependencies:
+      resolve-from: 5.0.0
+    dev: false
 
   /resolve/1.22.0:
     resolution: {integrity: sha512-Hhtrw0nLeSrFQ7phPp4OOcVjLPIeMnRlr5mcnVuMe7M/7eBn98A3hmFRLoFo3DLZkivSYwhRUJTyPyWAk56WLw==}