diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 97db743d6ae..55e4ad72e4b 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -1753,6 +1753,33 @@ importers:
       tslib: 2.3.1
       typescript: 4.4.4
 
+  tools/package-release:
+    specifiers:
+      '@oclif/core': ^1
+      '@oclif/plugin-help': ^5
+      '@oclif/plugin-plugins': ^2.0.1
+      '@types/node': ^16.9.4
+      '@woocommerce/eslint-plugin': workspace:*
+      globby: ^11
+      oclif: ^2
+      shx: ^0.3.3
+      ts-node: ^10.2.1
+      tslib: ^2.3.1
+      typescript: ^4.4.3
+    dependencies:
+      '@oclif/core': 1.3.4
+      '@oclif/plugin-help': 5.1.11
+      '@oclif/plugin-plugins': 2.1.0
+    devDependencies:
+      '@types/node': 16.10.3
+      '@woocommerce/eslint-plugin': link:../../packages/js/eslint-plugin
+      globby: 11.1.0
+      oclif: 2.4.5
+      shx: 0.3.4
+      ts-node: 10.5.0_506ca6ef959d35afcce359030b1bc9ff
+      tslib: 2.3.1
+      typescript: 4.6.2
+
 packages:
 
   /@ampproject/remapping/2.1.2:
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
index 6b2a35b24a2..2cdd101f7ae 100644
--- a/pnpm-workspace.yaml
+++ b/pnpm-workspace.yaml
@@ -5,3 +5,4 @@ packages:
     - 'tools/monorepo-merge'
     - 'tools/code-analyzer'
     - 'tools/create-extension'
+    - 'tools/package-release'
diff --git a/tools/package-release/.eslintignore b/tools/package-release/.eslintignore
new file mode 100644
index 00000000000..9b1c8b133c9
--- /dev/null
+++ b/tools/package-release/.eslintignore
@@ -0,0 +1 @@
+/dist
diff --git a/tools/package-release/.eslintrc b/tools/package-release/.eslintrc
new file mode 100644
index 00000000000..b2a08066eea
--- /dev/null
+++ b/tools/package-release/.eslintrc
@@ -0,0 +1,3 @@
+{
+	"extends": [ "plugin:@woocommerce/eslint-plugin/recommended" ]
+}
diff --git a/tools/package-release/.gitignore b/tools/package-release/.gitignore
new file mode 100644
index 00000000000..8cd56546876
--- /dev/null
+++ b/tools/package-release/.gitignore
@@ -0,0 +1 @@
+/oclif.manifest.json
diff --git a/tools/package-release/bin/dev b/tools/package-release/bin/dev
new file mode 100755
index 00000000000..bbc3f51d59a
--- /dev/null
+++ b/tools/package-release/bin/dev
@@ -0,0 +1,17 @@
+#!/usr/bin/env node
+
+const oclif = require('@oclif/core')
+
+const path = require('path')
+const project = path.join(__dirname, '..', 'tsconfig.json')
+
+// In dev mode -> use ts-node and dev plugins
+process.env.NODE_ENV = 'development'
+
+require('ts-node').register({project})
+
+// In dev mode, always show stack traces
+oclif.settings.debug = true;
+
+// Start the CLI
+oclif.run().then(oclif.flush).catch(oclif.Errors.handle)
diff --git a/tools/package-release/bin/dev.cmd b/tools/package-release/bin/dev.cmd
new file mode 100755
index 00000000000..8ae2b12c192
--- /dev/null
+++ b/tools/package-release/bin/dev.cmd
@@ -0,0 +1,3 @@
+@echo off
+
+node "%~dp0\dev" %*
diff --git a/tools/package-release/bin/run b/tools/package-release/bin/run
new file mode 100755
index 00000000000..a7635de86ed
--- /dev/null
+++ b/tools/package-release/bin/run
@@ -0,0 +1,5 @@
+#!/usr/bin/env node
+
+const oclif = require('@oclif/core')
+
+oclif.run().then(require('@oclif/core/flush')).catch(require('@oclif/core/handle'))
diff --git a/tools/package-release/bin/run.cmd b/tools/package-release/bin/run.cmd
new file mode 100755
index 00000000000..968fc30758e
--- /dev/null
+++ b/tools/package-release/bin/run.cmd
@@ -0,0 +1,3 @@
+@echo off
+
+node "%~dp0\run" %*
diff --git a/tools/package-release/package.json b/tools/package-release/package.json
new file mode 100644
index 00000000000..100c4d26f26
--- /dev/null
+++ b/tools/package-release/package.json
@@ -0,0 +1,60 @@
+{
+	"name": "package-release",
+	"version": "0.1.0",
+	"description": "A tool to Monorepo JS packages.",
+	"author": "Automattic",
+	"bin": {
+		"package-release": "./bin/run"
+	},
+	"homepage": "https://github.com/woocommerce/woocommerce",
+	"license": "GPLv2",
+	"main": "dist/index.js",
+	"repository": "woocommerce/woocommerce",
+	"files": [
+		"/bin",
+		"/dist",
+		"/npm-shrinkwrap.json",
+		"/oclif.manifest.json"
+	],
+	"dependencies": {
+		"@oclif/core": "^1",
+		"@oclif/plugin-help": "^5",
+		"@oclif/plugin-plugins": "^2.0.1"
+	},
+	"devDependencies": {
+		"@types/node": "^16.9.4",
+		"@woocommerce/eslint-plugin": "workspace:*",
+		"globby": "^11",
+		"oclif": "^2",
+		"shx": "^0.3.3",
+		"ts-node": "^10.2.1",
+		"tslib": "^2.3.1",
+		"typescript": "^4.4.3"
+	},
+	"oclif": {
+		"bin": "package-release",
+		"dirname": "package-release",
+		"commands": "./dist/commands",
+		"plugins": [
+			"@oclif/plugin-help",
+			"@oclif/plugin-plugins"
+		],
+		"topicSeparator": " ",
+		"topics": {
+			"package-release": {
+				"description": "Releases JS packages"
+			}
+		}
+	},
+	"scripts": {
+		"build": "shx rm -rf dist && tsc -b",
+		"lint": "eslint . --ext .ts --config .eslintrc",
+		"postpack": "shx rm -f oclif.manifest.json",
+		"posttest": "pnpm lint",
+		"prepack": "pnpm build && oclif manifest"
+	},
+	"engines": {
+		"node": ">=12.0.0"
+	},
+	"types": "dist/index.d.ts"
+}
diff --git a/tools/package-release/src/changelogger.ts b/tools/package-release/src/changelogger.ts
new file mode 100644
index 00000000000..7566f1206e0
--- /dev/null
+++ b/tools/package-release/src/changelogger.ts
@@ -0,0 +1,107 @@
+/**
+ * External dependencies
+ */
+import { execSync } from 'child_process';
+import { readdirSync } from 'fs';
+import { join } from 'path';
+
+/**
+ * Internal dependencies
+ */
+import { getFilepathFromPackageName } from './validate';
+
+/**
+ * Call changelogger's next version function to get the version for the next release.
+ *
+ * @param {string} name Package name.
+ * @return {string} Next release version.
+ */
+export const getNextVersion = ( name: string ) => {
+	try {
+		const cwd = getFilepathFromPackageName( name );
+		return execSync( './vendor/bin/changelogger version next', {
+			cwd,
+			encoding: 'utf-8',
+		} ).trim();
+	} catch ( e ) {
+		let message = '';
+		if ( e instanceof Error ) {
+			message = e.message;
+			throw new Error( message );
+		}
+	}
+};
+
+/**
+ * Call Changelogger's validate function on changelog entries.
+ *
+ * @param {string} name
+ * @return {Error|void} Output of changelogger exec.
+ */
+export const validateChangelogEntries = ( name: string ) => {
+	try {
+		const cwd = getFilepathFromPackageName( name );
+		return execSync( './vendor/bin/changelogger validate', {
+			cwd,
+			encoding: 'utf-8',
+		} );
+	} catch ( e ) {
+		let message = '';
+		if ( e instanceof Error ) {
+			message = e.message;
+			throw new Error( message );
+		}
+	}
+};
+
+/**
+ * Write the changelog.
+ *
+ * @param {string} name Package name.
+ */
+export const writeChangelog = ( name: string ) => {
+	try {
+		const cwd = getFilepathFromPackageName( name );
+		execSync( './vendor/bin/changelogger write', {
+			cwd,
+			encoding: 'utf-8',
+		} );
+	} catch ( e ) {
+		let message = '';
+		if ( e instanceof Error ) {
+			message = e.message;
+			throw new Error(
+				message + ' - Package may not have changelog entries.'
+			);
+		}
+	}
+};
+
+/**
+ * Determine if a package has changelogs to release.
+ *
+ * @param {string} name Package name.
+ * @return {boolean} If there are changelogs.
+ */
+export const hasChangelogs = ( name: string ): boolean | void => {
+	try {
+		const changelogDir = join(
+			getFilepathFromPackageName( name ),
+			'changelog'
+		);
+		const changelogDirContents = readdirSync( changelogDir, {
+			encoding: 'utf-8',
+		} );
+
+		return (
+			changelogDirContents.filter( ( entry ) => entry !== '.gitkeep' )
+				.length > 0
+		);
+	} catch ( e ) {
+		let message = '';
+		if ( e instanceof Error ) {
+			message = e.message;
+			throw new Error( message );
+		}
+	}
+};
diff --git a/tools/package-release/src/commands/prepare/index.ts b/tools/package-release/src/commands/prepare/index.ts
new file mode 100644
index 00000000000..5a0058a14bd
--- /dev/null
+++ b/tools/package-release/src/commands/prepare/index.ts
@@ -0,0 +1,130 @@
+/**
+ * External dependencies
+ */
+import { CliUx, Command, Flags } from '@oclif/core';
+import { readFileSync, writeFileSync } from 'fs';
+
+/**
+ * Internal dependencies
+ */
+import {
+	getAllPackges,
+	validatePackage,
+	getFilepathFromPackageName,
+} from '../../validate';
+import {
+	getNextVersion,
+	validateChangelogEntries,
+	writeChangelog,
+	hasChangelogs,
+} from '../../changelogger';
+
+/**
+ * PackageRelease class
+ */
+export default class PackageRelease extends Command {
+	/**
+	 * CLI description
+	 */
+	static description = 'Release Monorepo JS packages';
+
+	/**
+	 * CLI arguments
+	 */
+	static args = [
+		{
+			name: 'packages',
+			description:
+				'Package to release, or packages to release separated by commas.',
+			required: false,
+		},
+	];
+
+	/**
+	 * CLI flags.
+	 */
+	static flags = {
+		all: Flags.boolean( {
+			char: 'a',
+			default: false,
+			description: 'Perform prepare function on all packages.',
+		} ),
+	};
+
+	/**
+	 * This method is called to execute the command
+	 */
+	async run(): Promise< void > {
+		const { args, flags } = await this.parse( PackageRelease );
+
+		if ( ! args.packages && ! flags.all ) {
+			this.error( 'No packages supplied.' );
+		}
+
+		if ( flags.all ) {
+			this.preparePackages( getAllPackges() );
+			return;
+		}
+
+		const packages = args.packages.split( ',' );
+
+		packages.forEach( ( name: string ) =>
+			validatePackage( name, ( e: string ): void => this.error( e ) )
+		);
+
+		this.preparePackages( packages );
+	}
+
+	/**
+	 * Prepare packages for release by creating the changelog and bumping version.
+	 *
+	 * @param {Array<string>} packages Packages to prepare.
+	 */
+	private preparePackages( packages: Array< string > ) {
+		packages.forEach( ( name ) => {
+			CliUx.ux.action.start( `Preparing ${ name }` );
+
+			try {
+				if ( hasChangelogs( name ) ) {
+					validateChangelogEntries( name );
+					const nextVersion = getNextVersion( name );
+					writeChangelog( name );
+					if ( nextVersion ) {
+						this.bumpPackageVersion( name, nextVersion );
+					}
+				} else {
+					this.log( `Skipping ${ name }, no changelogs available.` );
+				}
+			} catch ( e ) {
+				if ( e instanceof Error ) {
+					this.error( e.message );
+				}
+			}
+
+			CliUx.ux.action.stop();
+		} );
+	}
+
+	/**
+	 * Update the version number in package.json.
+	 *
+	 * @param {string} name    Package name.
+	 * @param {string} version Next version.
+	 */
+	private bumpPackageVersion( name: string, version: string ) {
+		const filepath = getFilepathFromPackageName( name );
+		const packageJsonFilepath = `${ filepath }/package.json`;
+		try {
+			const packageJson = JSON.parse(
+				readFileSync( packageJsonFilepath, 'utf8' )
+			);
+			packageJson.version = version;
+			writeFileSync(
+				packageJsonFilepath,
+				JSON.stringify( packageJson, null, '\t' ) + '\n'
+			);
+		} catch ( e ) {
+			this.error( `Can't bump version for ${ name }.` );
+		}
+	}
+}
diff --git a/tools/package-release/src/const.ts b/tools/package-release/src/const.ts
new file mode 100644
index 00000000000..43ffa98342c
--- /dev/null
+++ b/tools/package-release/src/const.ts
@@ -0,0 +1,17 @@
+/**
+ * External dependencies
+ */
+import { dirname } from 'path';
+
+// Escape from ./tools/package-release/src
+export const MONOREPO_ROOT = dirname( dirname( dirname( __dirname ) ) );
+
+// Packages that are not meant to be released by monorepo team for whatever reason.
+export const excludedPackages = [
+	'@woocommerce/admin-e2e-tests',
+	'@woocommerce/api',
+	'@woocommerce/api-core-tests',
+	'@woocommerce/e2e-core-tests',
+	'@woocommerce/e2e-environment',
+	'@woocommerce/e2e-utils',
+];
diff --git a/tools/package-release/src/index.ts b/tools/package-release/src/index.ts
new file mode 100644
index 00000000000..d620e709ab9
--- /dev/null
+++ b/tools/package-release/src/index.ts
@@ -0,0 +1 @@
+export { run } from '@oclif/core';
diff --git a/tools/package-release/src/validate.ts b/tools/package-release/src/validate.ts
new file mode 100644
index 00000000000..923873dfc27
--- /dev/null
+++ b/tools/package-release/src/validate.ts
@@ -0,0 +1,113 @@
+/**
+ * External dependencies
+ */
+import { existsSync, readFileSync, readdirSync } from 'fs';
+import { join } from 'path';
+
+/**
+ * Internal dependencies
+ */
+import { MONOREPO_ROOT, excludedPackages } from './const';
+
+/**
+ * Get filepath for a given package name.
+ *
+ * @param {string} name package name.
+ * @return {string} Absolute path for the package.
+ */
+export const getFilepathFromPackageName = ( name: string ): string =>
+	join( MONOREPO_ROOT, 'packages/js', name.replace( '@woocommerce', '' ) );
+
+/**
+ * Check if package is valid and can be deployed to NPM.
+ *
+ * @param {string} name package name.
+ * @return {boolean} true if the package is private.
+ */
+export const isValidPackage = ( name: string ): boolean => {
+	const filepath = getFilepathFromPackageName( name );
+	const packageJsonFilepath = `${ filepath }/package.json`;
+	const packageJsonExists = existsSync( packageJsonFilepath );
+	if ( ! packageJsonExists ) {
+		return false;
+	}
+	const packageJson = JSON.parse(
+		readFileSync( packageJsonFilepath, 'utf8' )
+	);
+
+	if ( name !== packageJson.name ) {
+		return false;
+	}
+
+	const isPrivatePackage = !! packageJson.private;
+
+	if ( isPrivatePackage ) {
+		return false;
+	}
+
+	return true;
+};
+
+/**
+ * Validate package name.
+ *
+ * @param {string}   name  package name.
+ * @param {Function} error Error logging function.
+ */
+export const validatePackageName = (
+	name: string,
+	error: ( s: string ) => void
+) => {
+	const filepath = getFilepathFromPackageName( name );
+
+	try {
+		const exists = existsSync( filepath );
+		if ( ! exists ) {
+			throw new Error();
+		}
+	} catch ( e ) {
+		error( `${ name } does not exist as a package.` );
+	}
+};
+
+/**
+ * Get all releaseable package names.
+ *
+ * @return {Array<string>} Package names.
+ */
+export const getAllPackges = (): Array< string > => {
+	const jsPackageFolders = readdirSync(
+		join( MONOREPO_ROOT, 'packages/js' ),
+		{
+			encoding: 'utf-8',
+		}
+	);
+
+	return jsPackageFolders
+		.map( ( folder ) => '@woocommerce/' + folder )
+		.filter( ( name ) => {
+			if ( excludedPackages.includes( name ) ) {
+				return false;
+			}
+			return isValidPackage( name );
+		} );
+};
+
+/**
+ * Validate a package.
+ *
+ * @param {string}   name  package name.
+ * @param {Function} error Error logging function.
+ */
+export const validatePackage = (
+	name: string,
+	error: ( s: string ) => void
+) => {
+	validatePackageName( name, error );
+
+	if ( ! isValidPackage( name ) ) {
+		error(
+			`${ name } is not a valid package. It may be private or incorrectly configured.`
+		);
+	}
+};
diff --git a/tools/package-release/tsconfig.json b/tools/package-release/tsconfig.json
new file mode 100644
index 00000000000..cc26db8e5bf
--- /dev/null
+++ b/tools/package-release/tsconfig.json
@@ -0,0 +1,17 @@
+{
+	"compilerOptions": {
+		"declaration": true,
+		"importHelpers": true,
+		"module": "commonjs",
+		"outDir": "dist",
+		"rootDir": "src",
+		"strict": true,
+		"target": "es2019",
+		"typeRoots": [
+			"./node_modules/@types"
+		],
+	},
+	"include": [
+		"src/**/*"
+	]
+}