diff --git a/.eslintrc.js b/.eslintrc.js
index c1e8f5e0e9b..d1335831550 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -24,7 +24,7 @@ module.exports = {
     // overriding the JS config from @react-native/eslint-config to ensure
     // that we use hermes-eslint for all js files
     {
-      files: ['*.js', '*.js.flow'],
+      files: ['*.js', '*.js.flow', '*.jsx'],
       parser: 'hermes-eslint',
       rules: {
         // These rules are not required with hermes-eslint
diff --git a/packages/community-cli-plugin/src/commands/start/runServer.js b/packages/community-cli-plugin/src/commands/start/runServer.js
index 15820167a52..18540fa1e2c 100644
--- a/packages/community-cli-plugin/src/commands/start/runServer.js
+++ b/packages/community-cli-plugin/src/commands/start/runServer.js
@@ -38,7 +38,7 @@ export type StartCommandArgs = {
   https?: boolean,
   maxWorkers?: number,
   key?: string,
-  platforms?: string[],
+  platforms: string[],
   port?: number,
   resetCache?: boolean,
   sourceExts?: string[],
diff --git a/packages/core-cli-utils/package.json b/packages/core-cli-utils/package.json
index 9107b6fdbe3..04f7d25b7dd 100644
--- a/packages/core-cli-utils/package.json
+++ b/packages/core-cli-utils/package.json
@@ -2,7 +2,7 @@
   "name": "@react-native/core-cli-utils",
   "version": "0.75.0-main",
   "description": "React Native CLI library for Frameworks to build on",
-  "main": "./src/index.js",
+  "main": "./src/index.flow.js",
   "license": "MIT",
   "repository": {
     "type": "git",
@@ -10,11 +10,11 @@
     "directory": "packages/core-cli-utils"
   },
   "exports": {
-    ".": "./src/index.js",
+    ".": "./src/index.flow.js",
     "./package.json": "./package.json",
     "./version.js": "./src/public/version.js"
   },
-  "types": "./dist/index.d.ts",
+  "types": "./dist/index.flow.d.ts",
   "homepage": "https://github.com/facebook/react-native/tree/HEAD/packages/core-cli-utils#readme",
   "keywords": [
     "cli-utils",
@@ -25,8 +25,8 @@
     "node": ">=18"
   },
   "files": [
-    "dist"
+    "src"
   ],
   "dependencies": {},
   "devDependencies": {}
-}
+}
\ No newline at end of file
diff --git a/packages/core-cli-utils/src/index.js b/packages/core-cli-utils/src/index.js
deleted file mode 100644
index 9d4c8354fc2..00000000000
--- a/packages/core-cli-utils/src/index.js
+++ /dev/null
@@ -1,34 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @flow
- * @format
- * @oncall react_native
- */
-
-const path = require('path');
-
-/*::
-export type * from './index.flow.js';
-*/
-
-if (!process.env.BUILD_EXCLUDE_BABEL_REGISTER) {
-  // Handle internal cases when we call this from the monorepo, and external cases where users call it from a plain-old-node_modules
-  let {root, dir} = path.parse(__dirname);
-  while (dir !== root) {
-    try {
-      // $FlowFixMe[unsupported-syntax] we're doing magic here
-      require(
-        path.resolve(dir, 'scripts/build/babel-register'),
-      ).registerForMonorepo();
-      break;
-    } catch {
-      dir = path.resolve(dir, '..');
-    }
-  }
-}
-
-export * from './index.flow.js';
diff --git a/packages/core-cli-utils/src/monorepo.js b/packages/core-cli-utils/src/monorepo.js
new file mode 100644
index 00000000000..be8075fc7c4
--- /dev/null
+++ b/packages/core-cli-utils/src/monorepo.js
@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ * @oncall react_native
+ */
+
+// Should only used when called in the monorepo when we don't want to use the `yarn run build`
+// step to transpile to project. When used as a vanilla npm package, it should be built and
+// exported with `dist/index.flow.js` as main.
+//
+// The reason for this workaround is that flow-api-translator can't understand ESM and CJS style
+// exports in the same file.  Throw in a bit of Flow in the mix and it all goes to hell.
+//
+// See packages/helloworld/cli.js for an example of how to swap this out in the monorepo.
+if (process.env.BUILD_EXCLUDE_BABEL_REGISTER == null) {
+  require('../../../scripts/build/babel-register').registerForMonorepo();
+}
+
+module.exports = require('./index.flow.js');
diff --git a/packages/core-cli-utils/src/private/android.js b/packages/core-cli-utils/src/private/android.js
index 83ec922c0ac..9117f9130f4 100644
--- a/packages/core-cli-utils/src/private/android.js
+++ b/packages/core-cli-utils/src/private/android.js
@@ -24,12 +24,8 @@ type AndroidBuild = {
   gradleArgs?: Array<string>,
 };
 
-async function gradle(
-  cwd: string,
-  ...args: string[]
-): ReturnType<typeof execa> {
+function gradle(cwd: string, ...args: string[]): ExecaPromise {
   const gradlew = isWindows ? 'gradlew.bat' : './gradlew';
-  // $FlowFixMe[incompatible-return] Mismatch between flow and TypeScript types
   return execa(gradlew, args, {
     cwd,
     stdio: 'inherit',
diff --git a/packages/core-cli-utils/src/private/apple.js b/packages/core-cli-utils/src/private/apple.js
index ed3414da6ac..9ec6a0bc9c5 100644
--- a/packages/core-cli-utils/src/private/apple.js
+++ b/packages/core-cli-utils/src/private/apple.js
@@ -39,6 +39,7 @@ type AppleInstallApp = {
   // `xcrun simctl list devices`
   device: string,
   appPath: string,
+  bundleId: string,
   ...AppleOptions,
 };
 
diff --git a/packages/core-cli-utils/src/private/utils.js b/packages/core-cli-utils/src/private/utils.js
index 396d29eed20..3c2f096b5cd 100644
--- a/packages/core-cli-utils/src/private/utils.js
+++ b/packages/core-cli-utils/src/private/utils.js
@@ -41,6 +41,7 @@ type PathCheckResult = {
 export function isOnPath(dep: string, description: string): PathCheckResult {
   const cmd = isWindows ? ['where', [dep]] : ['command', ['-v', dep]];
   try {
+    const args = isWindows ? ['where', [dep]] : ['command', ['-v', dep]];
     return {
       dep,
       description,
diff --git a/packages/helloworld/.gitignore b/packages/helloworld/.gitignore
index d5ae456695e..08e1a6b5935 100644
--- a/packages/helloworld/.gitignore
+++ b/packages/helloworld/.gitignore
@@ -1,9 +1,7 @@
 # OSX
-#
 .DS_Store
 
 # Xcode
-#
 build/
 *.pbxuser
 !default.pbxuser
@@ -23,7 +21,6 @@ DerivedData
 **/.xcode.env.local
 
 # Android/IntelliJ
-#
 build/
 .idea
 .gradle
@@ -35,36 +32,20 @@ local.properties
 !debug.keystore
 
 # node.js
-#
 node_modules/
 npm-debug.log
 yarn-error.log
 
-# fastlane
-#
-# It is recommended to not store the screenshots in the git repo. Instead, use fastlane to re-generate the
-# screenshots whenever they are needed.
-# For more information about the recommended setup visit:
-# https://docs.fastlane.tools/best-practices/source-control/
-
-**/fastlane/report.xml
-**/fastlane/Preview.html
-**/fastlane/screenshots
-**/fastlane/test_output
-
 # Bundle artifact
 *.jsbundle
 
 # Ruby / CocoaPods
-**/Pods/
-/vendor/bundle/
+ios/Pods/
+vendor/bundle/
 
 # Temporary files created by Metro to check the health of the file watcher
 .metro-health-check*
 
-# testing
-/coverage
-
 # Yarn
 .yarn/*
 !.yarn/patches
diff --git a/packages/helloworld/App.tsx b/packages/helloworld/App.jsx
similarity index 100%
rename from packages/helloworld/App.tsx
rename to packages/helloworld/App.jsx
diff --git a/packages/helloworld/__tests__/App.test.tsx b/packages/helloworld/__tests__/App.test.tsx
deleted file mode 100644
index 222e662c22c..00000000000
--- a/packages/helloworld/__tests__/App.test.tsx
+++ /dev/null
@@ -1,24 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- */
-
-/**
- * @format
- */
-
-import 'react-native';
-import React from 'react';
-import App from '../App';
-
-// Note: import explicitly to use the types shipped with jest.
-import {it} from '@jest/globals';
-
-// Note: test renderer must be required after react-native.
-import renderer from 'react-test-renderer';
-
-it('renders correctly', () => {
-  renderer.create(<App />);
-});
diff --git a/packages/helloworld/__tests__/cli-skip.js b/packages/helloworld/__tests__/cli-skip.js
new file mode 100644
index 00000000000..2b92acc1bc8
--- /dev/null
+++ b/packages/helloworld/__tests__/cli-skip.js
@@ -0,0 +1,69 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ * @oncall react_native
+ */
+
+// TODO(T187224491): js1 jest doesn't install the correct commander, instead
+// using the one in xplat/js/node_modules/commander which is much older.
+// Either roll back to that version or upgrade.
+import cli from '../cli.flow.js';
+import fs from 'fs';
+
+describe('cli.js', () => {
+  let pkgJson = {
+    name: 'helloworld-mock',
+    dependencies: {
+      'react-native': '0.0.0',
+    },
+    devDependencies: {
+      listr: '^1.2.3',
+      'some-dev-dep': '1.0.0',
+    },
+  };
+  beforeEach(() => {
+    jest.resetAllMocks();
+  });
+  describe('set-version', () => {
+    it('without arguments this should not modify the package.json', () => {
+      const snapshot = JSON.stringify(pkgJson, null, 2);
+      jest.spyOn(fs, 'readFileSync').mockReturnValue(snapshot);
+      const spy = jest.spyOn(fs, 'writeFileSync');
+
+      cli.parse(['set-version'], {from: 'user'});
+
+      expect(spy.mock.lastCall[1]).toEqual(snapshot);
+    });
+
+    it('modified and adds dependencies', () => {
+      const snapshot = JSON.stringify(pkgJson, null, 2);
+      jest.spyOn(fs, 'readFileSync').mockReturnValue(snapshot);
+      const spy = jest.spyOn(fs, 'writeFileSync');
+
+      cli.parse(
+        [
+          'set-version',
+          'react-native@^0.1.1',
+          'foobar@file:/woot/berry',
+          'some-dev-dep@*',
+        ],
+        {from: 'user'},
+      );
+      const updated = JSON.parse(spy.mock.lastCall[1]);
+      expect(updated).toMatchObject({
+        dependencies: {
+          'react-native': '^0.1.1',
+          foobar: 'file:/woot/berry',
+        },
+        devDependencies: {
+          'some-dev-dep': '*',
+        },
+      });
+    });
+  });
+});
diff --git a/packages/helloworld/android/app/build.gradle b/packages/helloworld/android/app/build.gradle
index 92894277ad9..f3db66d5ed3 100644
--- a/packages/helloworld/android/app/build.gradle
+++ b/packages/helloworld/android/app/build.gradle
@@ -123,4 +123,4 @@ dependencies {
 }
 
 // TODO: This needs to use the new autolinking code in the gradle-plugin instead
-apply from: file("../../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesAppBuildGradle(project)
+// apply from: file("../../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesAppBuildGradle(project)
diff --git a/packages/helloworld/android/gradle.properties b/packages/helloworld/android/gradle.properties
index b8bf0a51744..29fb5a6ad4f 100644
--- a/packages/helloworld/android/gradle.properties
+++ b/packages/helloworld/android/gradle.properties
@@ -1,42 +1,13 @@
-# Project-wide Gradle settings.
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+#
+# This source code is licensed under the MIT license found in the
+# LICENSE file in the root directory of this source tree.
 
-# IDE (e.g. Android Studio) users:
-# Gradle settings configured through the IDE *will override*
-# any settings specified in this file.
-
-# For more details on how to configure your build environment visit
-# http://www.gradle.org/docs/current/userguide/build_environment.html
-
-# Specifies the JVM arguments used for the daemon process.
-# The setting is particularly useful for tweaking memory settings.
 # Default value: -Xmx512m -XX:MaxMetaspaceSize=256m
 org.gradle.jvmargs=-Xmx2048m -XX:MaxMetaspaceSize=512m
-
-# When configured, Gradle will run in incubating parallel mode.
-# This option should only be used with decoupled projects. More details, visit
-# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
-# org.gradle.parallel=true
-
-# AndroidX package structure to make it clearer which packages are bundled with the
-# Android operating system, and which are packaged with your app's APK
-# https://developer.android.com/topic/libraries/support-library/androidx-rn
+org.gradle.parallel=true
 android.useAndroidX=true
-# Automatically convert third-party libraries to use AndroidX
 android.enableJetifier=true
-
-# Use this property to specify which architecture you want to build.
-# You can also override it from the CLI using
-# ./gradlew <task> -PreactNativeArchitectures=x86_64
-# TODO: Do we want to limit the architectures we test on?
-reactNativeArchitectures=armeabi-v7a,arm64-v8a,x86,x86_64
-
-# Use this property to enable support to the new architecture.
-# This will allow you to use TurboModules and the Fabric render in
-# your application. You should enable this flag either if you want
-# to write custom TurboModules/Fabric components OR use libraries that
-# are providing them.
+reactNativeArchitectures=arm64-v8a
 newArchEnabled=true
-
-# Use this property to enable or disable the Hermes JS engine.
-# If set to false, you will be using JSC instead.
 hermesEnabled=true
diff --git a/packages/helloworld/android/settings.gradle b/packages/helloworld/android/settings.gradle
index d4b8bc5e713..0125930e708 100644
--- a/packages/helloworld/android/settings.gradle
+++ b/packages/helloworld/android/settings.gradle
@@ -6,7 +6,6 @@
  */
 
 rootProject.name = 'HelloWorld'
-// TODO: Use the new autolinking feature in the gradle plugin (not that it's necessary as we don't have any native extensions here. Maybe we should have?)
-// apply from: file("../node_modules/@react-native-community/cli-platform-android/native_modules.gradle"); applyNativeModulesSettingsGradle(settings)
 include ':app'
-includeBuild('../../../../react-native-gradle-plugin')
+// Autolinking has now moved into the React Native Gradle Plugin
+includeBuild('../../react-native-gradle-plugin')
diff --git a/packages/helloworld/app.json b/packages/helloworld/app.json
deleted file mode 100644
index cbbc305181a..00000000000
--- a/packages/helloworld/app.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-  "name": "HelloWorld",
-  "displayName": "HelloWorld"
-}
diff --git a/packages/helloworld/cli.flow.js b/packages/helloworld/cli.flow.js
index 59cc2033d35..177f64ce1ac 100644
--- a/packages/helloworld/cli.flow.js
+++ b/packages/helloworld/cli.flow.js
@@ -41,21 +41,23 @@ type IOSDevice = {
   name: string,
 };
 
-function observe(result: ExecaPromise): Observable<string> {
+type ExecaPromiseMetaized = Promise<Result> & child_process$ChildProcess;
+
+function observe(result: ExecaPromiseMetaized): Observable<string> {
   return new Observable(observer => {
     result.stderr.on('data', data =>
       data
         .toString('utf8')
         .split('\n')
         .filter(line => line.length > 0)
-        .forEach(line => observer.next('🟢 ' + line)),
+        .forEach(line => observer.next('🟢 ' + line.trim())),
     );
     result.stdout.on('data', data =>
       data
         .toString('utf8')
         .split('\n')
         .filter(line => line.length > 0)
-        .forEach(line => observer.next('🟠 ' + line)),
+        .forEach(line => observer.next('🟠 ' + line.trim())),
     );
     for (const event of ['close', 'end']) {
       result.stdout.on(event, () => observer.complete());
@@ -70,6 +72,26 @@ function observe(result: ExecaPromise): Observable<string> {
   });
 }
 
+function getXcodeBuildSettings(iosProjectFolder: string) {
+  const {stdout} = execa.sync(
+    'xcodebuild',
+    [
+      '-workspace',
+      'HelloWorld.xcworkspace',
+      '-scheme',
+      'HelloWorld',
+      '-configuration',
+      'Debug',
+      '-sdk',
+      'iphonesimulator',
+      '-showBuildSettings',
+      '-json',
+    ],
+    {cwd: iosProjectFolder},
+  );
+  return JSON.parse(stdout);
+}
+
 async function getSimulatorDetails(nameOrUDID: string): Promise<IOSDevice> {
   const {stdout} = execa.sync('xcrun', [
     'simctl',
@@ -164,7 +186,9 @@ function run(
       title: task.label,
       task: () => {
         const action = task.action();
-        return action != null ? observe(action) : action;
+        if (action != null) {
+          return observe(action);
+        }
       },
     }));
   return new Listr(spec).run();
@@ -209,7 +233,38 @@ build
       }),
     );
 
-    // TODO: Install
+    const settings = {
+      appPath: '',
+      bundleId: '',
+    };
+
+    await run({
+      buildSettings: {
+        order: 1,
+        label: 'Getting your build settings',
+        action: (): void => {
+          const xcode = getXcodeBuildSettings(cwd.ios)[0].buildSettings;
+          settings.appPath = path.join(
+            xcode.TARGET_BUILD_DIR,
+            xcode.EXECUTABLE_FOLDER_PATH,
+          );
+          settings.bundleId = xcode.PRODUCT_BUNDLE_IDENTIFIER;
+        },
+      },
+    });
+
+    await run(
+      apple.ios.install({
+        cwd: cwd.ios,
+        device: device.udid,
+        appPath: settings.appPath,
+        bundleId: settings.bundleId,
+      }),
+    );
   });
 
-program.parse();
+if (require.main === module) {
+  program.parse();
+}
+
+export default program;
diff --git a/packages/helloworld/cli.js b/packages/helloworld/cli.js
index b7c213c3f0e..b5ba1ed3c55 100644
--- a/packages/helloworld/cli.js
+++ b/packages/helloworld/cli.js
@@ -9,9 +9,38 @@
  * @oncall react_native
  */
 
+/*::
+import {Command} from 'commander';
+*/
+
+// eslint-disable-next-line lint/sort-imports
+const {patchCoreCLIUtilsPackageJSON} = require('./scripts/monorepo');
+
+function injectCoreCLIUtilsRuntimePatch() {
+  patchCoreCLIUtilsPackageJSON(true);
+  const cleared = {
+    status: false,
+  };
+  ['exit', 'SIGUSR1', 'SIGUSR2', 'uncaughtException'].forEach(event => {
+    if (cleared.status) {
+      return;
+    }
+    patchCoreCLIUtilsPackageJSON(false);
+    cleared.status = true;
+  });
+}
+
 if (process.env.BUILD_EXCLUDE_BABEL_REGISTER == null) {
   // $FlowFixMe[cannot-resolve-module]
   require('../../scripts/build/babel-register').registerForMonorepo();
 }
 
-require('./cli.flow.js');
+injectCoreCLIUtilsRuntimePatch();
+
+const program /*: Command */ = require('./cli.flow.js').default;
+
+if (require.main === module) {
+  program.parse();
+}
+
+module.exports = program;
diff --git a/packages/helloworld/index.js b/packages/helloworld/index.js
index 040d10d9660..19836486c82 100644
--- a/packages/helloworld/index.js
+++ b/packages/helloworld/index.js
@@ -7,8 +7,7 @@
  * @format
  */
 
-import {name as appName} from './app.json';
-import App from './SectionProps';
+import App from './App';
 import {AppRegistry} from 'react-native';
 
-AppRegistry.registerComponent(appName, () => App);
+AppRegistry.registerComponent('HelloWorld', () => App);
diff --git a/packages/helloworld/metro.config.js b/packages/helloworld/metro.config.js
index ed129355727..50855d5a705 100644
--- a/packages/helloworld/metro.config.js
+++ b/packages/helloworld/metro.config.js
@@ -8,6 +8,7 @@
  */
 
 const {getDefaultConfig, mergeConfig} = require('@react-native/metro-config');
+const path = require('path');
 
 /**
  * Metro configuration
@@ -15,6 +16,22 @@ const {getDefaultConfig, mergeConfig} = require('@react-native/metro-config');
  *
  * @type {import('metro-config').MetroConfig}
  */
-const config = {};
+const config = {
+  // Make Metro able to resolve required external dependencies
+  watchFolders: [
+    path.resolve(__dirname, '../../node_modules'),
+    path.resolve(__dirname, '../assets'),
+    path.resolve(__dirname, '../normalize-color'),
+    path.resolve(__dirname, '../polyfills'),
+    path.resolve(__dirname, '../react-native'),
+    path.resolve(__dirname, '../virtualized-lists'),
+  ],
+  resolver: {
+    blockList: [/..\/react-native\/sdks\/hermes/],
+    extraNodeModules: {
+      'react-native': path.resolve(__dirname, '../react-native'),
+    },
+  },
+};
 
 module.exports = mergeConfig(getDefaultConfig(__dirname), config);
diff --git a/packages/helloworld/package.json b/packages/helloworld/package.json
index 885ca571c30..4d1c986fade 100644
--- a/packages/helloworld/package.json
+++ b/packages/helloworld/package.json
@@ -5,7 +5,7 @@
   "scripts": {
     "bootstrap": "node ./cli.js bootstrap",
     "build": "node ./cli.js build",
-    "launch": "node ./cli.js launch",
+    "launch": "node ./scripts/metro.js",
     "lint": "eslint .",
     "test": "jest"
   },
@@ -22,13 +22,13 @@
     "@react-native/eslint-config": "0.75.0-main",
     "@react-native/metro-config": "0.75.0-main",
     "babel-jest": "^29.6.3",
+    "chalk": "4",
     "commander": "^12.0.0",
     "eslint": "^8.19.0",
     "jest": "^29.6.3",
     "listr": "^0.14.3",
     "react-test-renderer": "18.2.0",
-    "rxjs": "^7.8.1",
-    "typescript": "5.0.4"
+    "rxjs": "^7.8.1"
   },
   "engines": {
     "node": ">=18"
diff --git a/packages/helloworld/scripts/metro.js b/packages/helloworld/scripts/metro.js
new file mode 100644
index 00000000000..54a2fd43d13
--- /dev/null
+++ b/packages/helloworld/scripts/metro.js
@@ -0,0 +1,37 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @noflow
+ * @format
+ * @oncall react_native
+ */
+
+const {startCommand} = require('@react-native/community-cli-plugin');
+const {program} = require('commander');
+const path = require('path');
+
+program
+  .description('Starts the React Native Metro bundler for internal testing app')
+  .action(async options => {
+    await startCommand.func(
+      [],
+      {
+        platforms: {
+          ios: {},
+          android: {},
+        },
+        root: path.join(__dirname, '../'),
+        reactNativePath: path.join(__dirname, '../../react-native'),
+      },
+      {
+        experimentalDebugger: false,
+        interactive: false,
+        projectRoot: options.projectRoot,
+        platforms: ['ios', 'android'],
+      },
+    );
+  })
+  .parse();
diff --git a/packages/helloworld/scripts/monorepo.js b/packages/helloworld/scripts/monorepo.js
new file mode 100644
index 00000000000..7911f764b59
--- /dev/null
+++ b/packages/helloworld/scripts/monorepo.js
@@ -0,0 +1,42 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow strict-local
+ * @format
+ * @oncall react_native
+ */
+
+// To be able to execute the cli as a yarn script, we have to strip our yarn types.
+// This causes problems for some of our dependencies, because they live in Meta internals,
+// Github and in NPM:
+// - Github and Meta: dynamicly transpile our dependencies. They each have to register on the monorepo
+// - NPM: `yarn run build`, and it should update the package.json's exports, main and files
+function patchCoreCLIUtilsPackageJSON(patch /*: boolean */) {
+  const fs = require('fs');
+  const log = require('debug');
+  const pkg = JSON.parse(
+    fs.readFileSync('../core-cli-utils/package.json', 'utf8'),
+  );
+  const target = patch ? './src/monorepo.js' : './src/index.flow.js';
+  if (pkg.main === target) {
+    return;
+  }
+  pkg.main = target;
+  pkg.exports['.'] = target;
+  log(
+    `Patched: ${JSON.stringify(
+      {main: pkg.main, exports: pkg.exports},
+      null,
+      2,
+    )}`,
+  );
+  fs.writeFileSync(
+    '../core-cli-utils/package.json',
+    JSON.stringify(pkg, null, 2),
+  );
+}
+
+module.exports.patchCoreCLIUtilsPackageJSON = patchCoreCLIUtilsPackageJSON;
diff --git a/packages/helloworld/template/index.js b/packages/helloworld/template/index.js
deleted file mode 100644
index f0888064722..00000000000
--- a/packages/helloworld/template/index.js
+++ /dev/null
@@ -1,14 +0,0 @@
-/**
- * Copyright (c) Meta Platforms, Inc. and affiliates.
- *
- * This source code is licensed under the MIT license found in the
- * LICENSE file in the root directory of this source tree.
- *
- * @format
- */
-
-import App from './App';
-import {name as appName} from './app.json';
-import {AppRegistry} from 'react-native';
-
-AppRegistry.registerComponent(appName, () => App);
diff --git a/packages/helloworld/tsconfig.json b/packages/helloworld/tsconfig.json
deleted file mode 100644
index ea3ea6b9595..00000000000
--- a/packages/helloworld/tsconfig.json
+++ /dev/null
@@ -1,3 +0,0 @@
-{
-  "extends": "../../typescript-config/tsconfig.json"
-}
diff --git a/yarn.lock b/yarn.lock
index a1f3c822bd2..3dc0fb0e1dd 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3853,6 +3853,14 @@ caseless@~0.12.0:
   resolved "https://registry.yarnpkg.com/caseless/-/caseless-0.12.0.tgz#1b681c21ff84033c826543090689420d187151dc"
   integrity sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=
 
+chalk@4, chalk@^4.0.0, chalk@^4.1.0, chalk@^4.1.2:
+  version "4.1.2"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.2.tgz#aac4e2b7734a740867aeb16bf02aad556a1e7a01"
+  integrity sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==
+  dependencies:
+    ansi-styles "^4.1.0"
+    supports-color "^7.1.0"
+
 chalk@^1.0.0, chalk@^1.1.3:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
@@ -3873,14 +3881,6 @@ chalk@^2.0.0, chalk@^2.0.1, chalk@^2.3.0, chalk@^2.4.1:
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
-chalk@^4.0.0, chalk@^4.1.0, chalk@^4.1.2:
-  version "4.1.2"
-  resolved "https://registry.yarnpkg.com/chalk/-/chalk-4.1.2.tgz#aac4e2b7734a740867aeb16bf02aad556a1e7a01"
-  integrity sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==
-  dependencies:
-    ansi-styles "^4.1.0"
-    supports-color "^7.1.0"
-
 char-regex@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/char-regex/-/char-regex-1.0.2.tgz#d744358226217f981ed58f479b1d6bcc29545dcf"