diff --git a/packages/app/src/cli/models/extensions/load-specifications.ts b/packages/app/src/cli/models/extensions/load-specifications.ts
index 363362edda..427bc76003 100644
--- a/packages/app/src/cli/models/extensions/load-specifications.ts
+++ b/packages/app/src/cli/models/extensions/load-specifications.ts
@@ -21,6 +21,7 @@ import taxCalculationSpec from './specifications/tax_calculation.js'
 import themeSpec from './specifications/theme.js'
 import uiExtensionSpec from './specifications/ui_extension.js'
 import webPixelSpec from './specifications/web_pixel_extension.js'
+import editorExtensionCollectionSpecification from './specifications/editor_extension_collection.js'
 
 const SORTED_CONFIGURATION_SPEC_IDENTIFIERS = [
   BrandingSpecIdentifier,
@@ -66,6 +67,7 @@ function loadSpecifications() {
     themeSpec,
     uiExtensionSpec,
     webPixelSpec,
+    editorExtensionCollectionSpecification,
   ] as ExtensionSpecification[]
 
   return [...configModuleSpecs, ...moduleSpecs]
diff --git a/packages/app/src/cli/models/extensions/specifications/editor_extension_collection.test.ts b/packages/app/src/cli/models/extensions/specifications/editor_extension_collection.test.ts
new file mode 100644
index 0000000000..84b1b3d97c
--- /dev/null
+++ b/packages/app/src/cli/models/extensions/specifications/editor_extension_collection.test.ts
@@ -0,0 +1,124 @@
+import {ExtensionInstance} from '../extension-instance.js'
+import {loadLocalExtensionsSpecifications} from '../load-specifications.js'
+import {DeveloperPlatformClient} from '../../../utilities/developer-platform-client.js'
+import {testDeveloperPlatformClient} from '../../app/app.test-data.js'
+import {inTemporaryDirectory} from '@shopify/cli-kit/node/fs'
+import {joinPath} from '@shopify/cli-kit/node/path'
+import {describe, expect, test} from 'vitest'
+
+const developerPlatformClient: DeveloperPlatformClient = testDeveloperPlatformClient()
+
+describe('editor_extension_collection', async () => {
+  interface EditorExtensionCollectionProps {
+    directory: string
+    configuration: {name: string; handle: string; includes?: string[]; include?: {handle: string}[]}
+  }
+
+  async function getTestEditorExtensionCollection({
+    directory,
+    configuration: passedConfig,
+  }: EditorExtensionCollectionProps) {
+    const configurationPath = joinPath(directory, 'shopify.extension.toml')
+    const allSpecs = await loadLocalExtensionsSpecifications()
+    const specification = allSpecs.find((spec) => spec.identifier === 'editor_extension_collection')!
+    const configuration = {
+      ...passedConfig,
+      type: 'editor_extension_collection',
+      metafields: [],
+    }
+
+    return new ExtensionInstance({
+      configuration,
+      directory,
+      specification,
+      configurationPath,
+      entryPath: '',
+    })
+  }
+
+  describe('deployConfig()', () => {
+    test('returns the deploy config when includes and include is passed in', async () => {
+      await inTemporaryDirectory(async (tmpDir) => {
+        const configuration = {
+          name: 'Order summary',
+          handle: 'order-summary-collection',
+          includes: ['handle1'],
+          include: [
+            {
+              handle: 'handle2',
+            },
+          ],
+        }
+        const extensionCollection = await getTestEditorExtensionCollection({
+          directory: tmpDir,
+          configuration,
+        })
+
+        const deployConfig = await extensionCollection.deployConfig({
+          apiKey: 'apiKey',
+          developerPlatformClient,
+        })
+
+        expect(deployConfig).toStrictEqual({
+          name: extensionCollection.configuration.name,
+          handle: extensionCollection.configuration.handle,
+          in_collection: [{handle: 'handle1'}, {handle: 'handle2'}],
+        })
+      })
+    })
+
+    test('returns the deploy config when only include is passed in', async () => {
+      await inTemporaryDirectory(async (tmpDir) => {
+        const configuration = {
+          name: 'Order summary',
+          handle: 'order-summary-collection',
+          include: [
+            {
+              handle: 'handle2',
+            },
+          ],
+        }
+        const extensionCollection = await getTestEditorExtensionCollection({
+          directory: tmpDir,
+          configuration,
+        })
+
+        const deployConfig = await extensionCollection.deployConfig({
+          apiKey: 'apiKey',
+          developerPlatformClient,
+        })
+
+        expect(deployConfig).toStrictEqual({
+          name: extensionCollection.configuration.name,
+          handle: extensionCollection.configuration.handle,
+          in_collection: [{handle: 'handle2'}],
+        })
+      })
+    })
+
+    test('returns the deploy config when only includes is passed in', async () => {
+      await inTemporaryDirectory(async (tmpDir) => {
+        const configuration = {
+          name: 'Order summary',
+          handle: 'order-summary-collection',
+          includes: ['handle1'],
+        }
+        const extensionCollection = await getTestEditorExtensionCollection({
+          directory: tmpDir,
+          configuration,
+        })
+
+        const deployConfig = await extensionCollection.deployConfig({
+          apiKey: 'apiKey',
+          developerPlatformClient,
+        })
+
+        expect(deployConfig).toStrictEqual({
+          name: extensionCollection.configuration.name,
+          handle: extensionCollection.configuration.handle,
+          in_collection: [{handle: 'handle1'}],
+        })
+      })
+    })
+  })
+})
diff --git a/packages/app/src/cli/models/extensions/specifications/editor_extension_collection.ts b/packages/app/src/cli/models/extensions/specifications/editor_extension_collection.ts
new file mode 100644
index 0000000000..02a89c097a
--- /dev/null
+++ b/packages/app/src/cli/models/extensions/specifications/editor_extension_collection.ts
@@ -0,0 +1,42 @@
+import {BaseSchema} from '../schemas.js'
+import {createExtensionSpecification} from '../specification.js'
+import {zod} from '@shopify/cli-kit/node/schema'
+
+interface IncludeSchema {
+  handle: string
+}
+
+const IncludeSchema = zod.object({
+  handle: zod.string(),
+})
+
+export const EditorExtensionCollectionSchema = BaseSchema.extend({
+  include: zod.array(IncludeSchema).optional(),
+  includes: zod.array(zod.string()).optional(),
+  type: zod.literal('editor_extension_collection'),
+})
+
+const editorExtensionCollectionSpecification = createExtensionSpecification({
+  identifier: 'editor_extension_collection',
+  schema: EditorExtensionCollectionSchema,
+  appModuleFeatures: (_) => [],
+  deployConfig: async (config, _) => {
+    const includes =
+      config.includes?.map((handle) => {
+        return {handle}
+      }) ?? []
+    const include = config.include ?? []
+    const inCollection = [...includes, ...include]
+
+    // eslint-disable-next-line no-warning-comments
+    // TODO: Validation to check either one of include or includes was defined
+
+    return {
+      name: config.name,
+      handle: config.handle,
+      in_collection: inCollection,
+    }
+  },
+})
+
+export default editorExtensionCollectionSpecification