diff --git a/README.md b/README.md
index 644ea6e..1d6be55 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,17 @@ Automate releases with Conventional Commit Messages.
   the [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/)
   convention, [release-please](https://github.com/googleapis/release-please)
   will start creating Release PRs for you.
+4. For an alternative configuration that provides easier bootstrapping options
+  for initial setup, follow [these instructions](https://github.com/googleapis/release-please/blob/master/docs/manifest-releaser.md)
+  (ignore the cli section) and then configure this action as follows:
+
+    ```yaml
+    #...(same as above)
+        steps:
+          - uses: GoogleCloudPlatform/release-please-action@v2
+            with:
+              command: manifest
+    ```
 
 ## Configuration
 
diff --git a/index.js b/index.js
index 02565a0..e65f0b6 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,9 @@
 const core = require('@actions/core')
 const { factory } = require('release-please/build/src')
 
+const CONFIG_FILE = 'release-please-config.json'
+const MANIFEST_FILE = '.release-please-manifest.json'
+const MANIFEST_COMMAND = 'manifest'
 const RELEASE_LABEL = 'autorelease: pending'
 const GITHUB_RELEASE_COMMAND = 'github-release'
 const GITHUB_RELEASE_PR_COMMAND = 'release-pr'
@@ -14,20 +17,62 @@ function getBooleanInput (input) {
   throw TypeError(`Wrong boolean value of the input '${input}'`)
 }
 
+function getGitHubInput () {
+  return {
+    fork: getBooleanInput('fork'),
+    defaultBranch: core.getInput('default-branch') || undefined,
+    repoUrl: process.env.GITHUB_REPOSITORY,
+    apiUrl: 'https://api.github.com',
+    token: core.getInput('token', { required: true })
+  }
+}
+
+function getManifestInput () {
+  return {
+    configFile: core.getInput('config-file') || CONFIG_FILE,
+    manifestFile: core.getInput('manifest-file') || MANIFEST_FILE
+  }
+}
+
+async function runManifest () {
+  const githubOpts = getGitHubInput()
+  const manifestOpts = { ...githubOpts, ...getManifestInput() }
+  const pr = await factory.runCommand('manifest-pr', manifestOpts)
+  if (pr) {
+    core.setOutput('pr', pr)
+  }
+
+  const releasesCreated = await factory.runCommand('manifest-release', manifestOpts)
+  if (releasesCreated) {
+    core.setOutput('releases_created', true)
+    for (const [path, release] of Object.entries(releasesCreated)) {
+      if (!release) {
+        continue
+      }
+      for (const [key, val] of Object.entries(release)) {
+        core.setOutput(`${path}--${key}`, val)
+      }
+    }
+  }
+}
+
 async function main () {
+  const command = core.getInput('command') || undefined
+  if (command === MANIFEST_COMMAND) {
+    return await runManifest()
+  }
+
+  const { token, fork, defaultBranch, apiUrl, repoUrl } = getGitHubInput()
+
   const bumpMinorPreMajor = getBooleanInput('bump-minor-pre-major')
   const monorepoTags = getBooleanInput('monorepo-tags')
   const packageName = core.getInput('package-name')
   const path = core.getInput('path') || undefined
   const releaseType = core.getInput('release-type', { required: true })
-  const token = core.getInput('token', { required: true })
-  const fork = getBooleanInput('fork')
   const changelogPath = core.getInput('changelog-path') || undefined
   const changelogTypes = core.getInput('changelog-types') || undefined
   const changelogSections = changelogTypes && JSON.parse(changelogTypes)
-  const command = core.getInput('command') || undefined
   const versionFile = core.getInput('version-file') || undefined
-  const defaultBranch = core.getInput('default-branch') || undefined
   const pullRequestTitlePattern = core.getInput('pull-request-title-pattern') || undefined
 
   // First we check for any merged release PRs (PRs merged with the label
@@ -62,10 +107,10 @@ async function main () {
       monorepoTags,
       packageName,
       path,
-      apiUrl: 'https://api.github.com',
-      repoUrl: process.env.GITHUB_REPOSITORY,
+      apiUrl,
+      repoUrl,
       fork,
-      token: token,
+      token,
       label: RELEASE_LABEL,
       bumpMinorPreMajor,
       changelogSections,
diff --git a/test/release-please.js b/test/release-please.js
index 09aedc5..a88bf85 100644
--- a/test/release-please.js
+++ b/test/release-please.js
@@ -4,6 +4,7 @@ const assert = require('assert')
 const core = require('@actions/core')
 const sinon = require('sinon')
 const { factory, GitHubRelease } = require('release-please/build/src')
+const { Manifest } = require('release-please/build/src/manifest')
 const { Node } = require('release-please/build/src/releasers/node')
 // As defined in action.yml
 const defaultInput = {
@@ -322,4 +323,42 @@ describe('release-please-action', () => {
     await action.main()
     assert.ok(maybeGitHubRelease instanceof GitHubRelease)
   })
+
+  it('creates and runs a Manifest, using factory', async () => {
+    let maybeManifest
+    sandbox.replace(factory, 'call', runnable => {
+      maybeManifest = runnable
+    })
+    input = { command: 'manifest' }
+    await action.main()
+    assert.ok(maybeManifest instanceof Manifest)
+  })
+
+  it('opens PR creates GitHub releases by default for manifest', async () => {
+    input = { command: 'manifest' }
+
+    const runCommandStub = sandbox.stub(factory, 'runCommand')
+
+    const manifestReleaseStub = runCommandStub.withArgs('manifest-release').resolves(
+      {
+        'path/pkgA':
+        {
+          upload_url: 'http://example.com',
+          tag_name: 'v1.0.0'
+        }
+      })
+
+    const manifestReleasePRStub = runCommandStub.withArgs('manifest-pr').returns(25)
+
+    await action.main()
+
+    sinon.assert.calledOnce(manifestReleaseStub)
+    sinon.assert.calledOnce(manifestReleasePRStub)
+    assert.deepStrictEqual(output, {
+      releases_created: true,
+      'path/pkgA--upload_url': 'http://example.com',
+      'path/pkgA--tag_name': 'v1.0.0',
+      pr: 25
+    })
+  })
 })