diff --git a/.scripts/run-ha.ts b/.scripts/run-ha.ts
new file mode 100644
index 000000000000..9efc64bef906
--- /dev/null
+++ b/.scripts/run-ha.ts
@@ -0,0 +1,95 @@
+import { spawn, SpawnOptions } from 'child_process';
+import * as path from 'path';
+
+enum ModeParam {
+	MAIN = 'main',
+	INSTANCE = 'instance',
+}
+
+interface IConfig extends SpawnOptions {
+	customEnv: typeof process.env;
+	parentEnv: typeof process.env;
+}
+
+function isMode(value: any): value is ModeParam {
+	return Object.values(ModeParam).includes(value);
+}
+
+function buildConfig(cwd: string): IConfig {
+	const customEnv: IConfig['customEnv'] = {
+		INSTANCE_IP: '127.0.0.1',
+		MONGO_URL: 'mongodb://localhost:3001/meteor',
+		MONGO_OPLOG_URL: 'mongodb://localhost:3001/local',
+	};
+
+	return {
+		cwd,
+		stdio: 'inherit',
+		shell: true,
+		customEnv,
+		parentEnv: process.env,
+		env: {
+			...customEnv,
+			...process.env,
+		},
+	};
+}
+
+async function runMain(config: IConfig): Promise<void> {
+	const { customEnv: { INSTANCE_IP }, parentEnv, ...mainConfig } = config;
+
+	const spawnConfig = {
+		...mainConfig,
+		env: {
+			INSTANCE_IP,
+			...parentEnv,
+		},
+	};
+
+	spawn('meteor', spawnConfig);
+}
+
+async function runInstance(config: IConfig): Promise<void> {
+	// Desctructuring the unused variables allows us to omit them in the `mainConfig`
+	// eslint-disable-next-line @typescript-eslint/no-unused-vars
+	const { customEnv, parentEnv, ...mainConfig } = config;
+
+	const env = {
+		PORT: '3030',
+		ROOT_URL: '',
+		...mainConfig.env,
+	};
+
+	env.ROOT_URL = `http://localhost:${ env.PORT }`;
+
+	const spawnConfig = {
+		...mainConfig,
+		env,
+	};
+
+	spawn('node', ['.meteor/local/build/main.js'], spawnConfig);
+}
+
+async function main(mode: any): Promise<void> {
+	if (!isMode(mode)) {
+		mode = 'main';
+	}
+
+	const config = buildConfig(
+		path.resolve(__dirname, '..'),
+	);
+
+	switch (mode) {
+		case ModeParam.MAIN:
+			runMain(config);
+			break;
+		case ModeParam.INSTANCE:
+			runInstance(config);
+			break;
+	}
+}
+
+// First two parameters are the executable and the path to this script
+const [, , mode] = process.argv;
+
+main(mode);
diff --git a/package.json b/package.json
index 4d428c9cb2c3..c82e5f4b5883 100644
--- a/package.json
+++ b/package.json
@@ -13,6 +13,9 @@
 	],
 	"scripts": {
 		"start": "meteor",
+		"ha": "meteor npm run ha:start",
+		"ha:start": "ts-node .scripts/run-ha.ts main",
+		"ha:add": "ts-node .scripts/run-ha.ts instance",
 		"debug": "meteor run --inspect",
 		"debug-brk": "meteor run --inspect-brk",
 		"lint": "meteor npm run stylelint && meteor npm run eslint",