diff --git a/.changeset/sweet-areas-live.md b/.changeset/sweet-areas-live.md
new file mode 100644
index 00000000000..91c7534dc64
--- /dev/null
+++ b/.changeset/sweet-areas-live.md
@@ -0,0 +1,5 @@
+---
+'@shopify/theme': minor
+---
+
+Add a new `--standard-events-inspector` flag to the `shopify theme dev` command to inject the Standard Storefront Events inspector into storefront previews.
diff --git a/docs-shopify.dev/commands/interfaces/theme-dev.interface.ts b/docs-shopify.dev/commands/interfaces/theme-dev.interface.ts
index 0945a3a9d46..6cca4461c16 100644
--- a/docs-shopify.dev/commands/interfaces/theme-dev.interface.ts
+++ b/docs-shopify.dev/commands/interfaces/theme-dev.interface.ts
@@ -100,6 +100,12 @@ export interface themedev {
    */
   '--port <value>'?: string
 
+  /**
+   * Inject the standard events inspector into storefront HTML.
+   * @environment SHOPIFY_FLAG_STANDARD_EVENTS_INSPECTOR
+   */
+  '--standard-events-inspector'?: ''
+
   /**
    * Store URL. It can be the store prefix (example) or the full myshopify.com URL (example.myshopify.com, https://example.myshopify.com).
    * @environment SHOPIFY_FLAG_STORE
diff --git a/docs-shopify.dev/generated/generated_docs_data_v2.json b/docs-shopify.dev/generated/generated_docs_data_v2.json
index 3c9205db032..b83f906791c 100644
--- a/docs-shopify.dev/generated/generated_docs_data_v2.json
+++ b/docs-shopify.dev/generated/generated_docs_data_v2.json
@@ -4739,6 +4739,15 @@
           "isOptional": true,
           "environmentValue": "SHOPIFY_FLAG_PORT"
         },
+        {
+          "filePath": "docs-shopify.dev/commands/interfaces/theme-dev.interface.ts",
+          "syntaxKind": "PropertySignature",
+          "name": "--standard-events-inspector",
+          "value": "''",
+          "description": "Inject the standard events inspector into storefront HTML.",
+          "isOptional": true,
+          "environmentValue": "SHOPIFY_FLAG_STANDARD_EVENTS_INSPECTOR"
+        },
         {
           "filePath": "docs-shopify.dev/commands/interfaces/theme-dev.interface.ts",
           "syntaxKind": "PropertySignature",
@@ -4830,7 +4839,7 @@
           "environmentValue": "SHOPIFY_FLAG_IGNORE"
         }
       ],
-      "value": "export interface themedev {\n  /**\n   * Allow development on a live theme.\n   * @environment SHOPIFY_FLAG_ALLOW_LIVE\n   */\n  '-a, --allow-live'?: ''\n\n  /**\n   * The environment to apply to the current command.\n   * @environment SHOPIFY_FLAG_ENVIRONMENT\n   */\n  '-e, --environment <value>'?: string\n\n  /**\n   * Controls the visibility of the error overlay when an theme asset upload fails:\n- silent Prevents the error overlay from appearing.\n- default Displays the error overlay.\n      \n   * @environment SHOPIFY_FLAG_ERROR_OVERLAY\n   */\n  '--error-overlay <value>'?: string\n\n  /**\n   * Set which network interface the web server listens on. The default value is 127.0.0.1.\n   * @environment SHOPIFY_FLAG_HOST\n   */\n  '--host <value>'?: string\n\n  /**\n   * Skip hot reloading any files that match the specified pattern.\n   * @environment SHOPIFY_FLAG_IGNORE\n   */\n  '-x, --ignore <value>'?: string\n\n  /**\n   * The listing preset to use for multi-preset themes. Applies preset files from listings/[preset-name] directory.\n   * @environment SHOPIFY_FLAG_LISTING\n   */\n  '--listing <value>'?: string\n\n  /**\n   * The live reload mode switches the server behavior when a file is modified:\n- hot-reload Hot reloads local changes to CSS and sections (default)\n- full-page  Always refreshes the entire page\n- off        Deactivate live reload\n   * @environment SHOPIFY_FLAG_LIVE_RELOAD\n   */\n  '--live-reload <value>'?: string\n\n  /**\n   * Disable color output.\n   * @environment SHOPIFY_FLAG_NO_COLOR\n   */\n  '--no-color'?: ''\n\n  /**\n   * Prevents files from being deleted in the remote theme when a file has been deleted locally. This applies to files that are deleted while the command is running, and files that have been deleted locally before the command is run.\n   * @environment SHOPIFY_FLAG_NODELETE\n   */\n  '-n, --nodelete'?: ''\n\n  /**\n   * The file path or URL. The file path is to a file that you want updated on idle. The URL path is where you want a webhook posted to report on file changes.\n   * @environment SHOPIFY_FLAG_NOTIFY\n   */\n  '--notify <value>'?: string\n\n  /**\n   * Hot reload only files that match the specified pattern.\n   * @environment SHOPIFY_FLAG_ONLY\n   */\n  '-o, --only <value>'?: string\n\n  /**\n   * Automatically launch the theme preview in your default web browser.\n   * @environment SHOPIFY_FLAG_OPEN\n   */\n  '--open'?: ''\n\n  /**\n   * Password generated from the Theme Access app or an Admin API token.\n   * @environment SHOPIFY_CLI_THEME_TOKEN\n   */\n  '--password <value>'?: string\n\n  /**\n   * The path where you want to run the command. Defaults to the current working directory.\n   * @environment SHOPIFY_FLAG_PATH\n   */\n  '--path <value>'?: string\n\n  /**\n   * Local port to serve theme preview from. Must be between 1 and 65535.\n   * @environment SHOPIFY_FLAG_PORT\n   */\n  '--port <value>'?: string\n\n  /**\n   * Store URL. It can be the store prefix (example) or the full myshopify.com URL (example.myshopify.com, https://example.myshopify.com).\n   * @environment SHOPIFY_FLAG_STORE\n   */\n  '-s, --store <value>'?: string\n\n  /**\n   * The password for storefronts with password protection.\n   * @environment SHOPIFY_FLAG_STORE_PASSWORD\n   */\n  '--store-password <value>'?: string\n\n  /**\n   * Theme ID or name of the remote theme.\n   * @environment SHOPIFY_FLAG_THEME_ID\n   */\n  '-t, --theme <value>'?: string\n\n  /**\n   * Synchronize Theme Editor updates in the local theme files.\n   * @environment SHOPIFY_FLAG_THEME_EDITOR_SYNC\n   */\n  '--theme-editor-sync'?: ''\n\n  /**\n   * Increase the verbosity of the output.\n   * @environment SHOPIFY_FLAG_VERBOSE\n   */\n  '--verbose'?: ''\n}"
+      "value": "export interface themedev {\n  /**\n   * Allow development on a live theme.\n   * @environment SHOPIFY_FLAG_ALLOW_LIVE\n   */\n  '-a, --allow-live'?: ''\n\n  /**\n   * The environment to apply to the current command.\n   * @environment SHOPIFY_FLAG_ENVIRONMENT\n   */\n  '-e, --environment <value>'?: string\n\n  /**\n   * Controls the visibility of the error overlay when an theme asset upload fails:\n- silent Prevents the error overlay from appearing.\n- default Displays the error overlay.\n      \n   * @environment SHOPIFY_FLAG_ERROR_OVERLAY\n   */\n  '--error-overlay <value>'?: string\n\n  /**\n   * Set which network interface the web server listens on. The default value is 127.0.0.1.\n   * @environment SHOPIFY_FLAG_HOST\n   */\n  '--host <value>'?: string\n\n  /**\n   * Skip hot reloading any files that match the specified pattern.\n   * @environment SHOPIFY_FLAG_IGNORE\n   */\n  '-x, --ignore <value>'?: string\n\n  /**\n   * The listing preset to use for multi-preset themes. Applies preset files from listings/[preset-name] directory.\n   * @environment SHOPIFY_FLAG_LISTING\n   */\n  '--listing <value>'?: string\n\n  /**\n   * The live reload mode switches the server behavior when a file is modified:\n- hot-reload Hot reloads local changes to CSS and sections (default)\n- full-page  Always refreshes the entire page\n- off        Deactivate live reload\n   * @environment SHOPIFY_FLAG_LIVE_RELOAD\n   */\n  '--live-reload <value>'?: string\n\n  /**\n   * Disable color output.\n   * @environment SHOPIFY_FLAG_NO_COLOR\n   */\n  '--no-color'?: ''\n\n  /**\n   * Prevents files from being deleted in the remote theme when a file has been deleted locally. This applies to files that are deleted while the command is running, and files that have been deleted locally before the command is run.\n   * @environment SHOPIFY_FLAG_NODELETE\n   */\n  '-n, --nodelete'?: ''\n\n  /**\n   * The file path or URL. The file path is to a file that you want updated on idle. The URL path is where you want a webhook posted to report on file changes.\n   * @environment SHOPIFY_FLAG_NOTIFY\n   */\n  '--notify <value>'?: string\n\n  /**\n   * Hot reload only files that match the specified pattern.\n   * @environment SHOPIFY_FLAG_ONLY\n   */\n  '-o, --only <value>'?: string\n\n  /**\n   * Automatically launch the theme preview in your default web browser.\n   * @environment SHOPIFY_FLAG_OPEN\n   */\n  '--open'?: ''\n\n  /**\n   * Password generated from the Theme Access app or an Admin API token.\n   * @environment SHOPIFY_CLI_THEME_TOKEN\n   */\n  '--password <value>'?: string\n\n  /**\n   * The path where you want to run the command. Defaults to the current working directory.\n   * @environment SHOPIFY_FLAG_PATH\n   */\n  '--path <value>'?: string\n\n  /**\n   * Local port to serve theme preview from. Must be between 1 and 65535.\n   * @environment SHOPIFY_FLAG_PORT\n   */\n  '--port <value>'?: string\n\n  /**\n   * Inject the standard events inspector into storefront HTML.\n   * @environment SHOPIFY_FLAG_STANDARD_EVENTS_INSPECTOR\n   */\n  '--standard-events-inspector'?: ''\n\n  /**\n   * Store URL. It can be the store prefix (example) or the full myshopify.com URL (example.myshopify.com, https://example.myshopify.com).\n   * @environment SHOPIFY_FLAG_STORE\n   */\n  '-s, --store <value>'?: string\n\n  /**\n   * The password for storefronts with password protection.\n   * @environment SHOPIFY_FLAG_STORE_PASSWORD\n   */\n  '--store-password <value>'?: string\n\n  /**\n   * Theme ID or name of the remote theme.\n   * @environment SHOPIFY_FLAG_THEME_ID\n   */\n  '-t, --theme <value>'?: string\n\n  /**\n   * Synchronize Theme Editor updates in the local theme files.\n   * @environment SHOPIFY_FLAG_THEME_EDITOR_SYNC\n   */\n  '--theme-editor-sync'?: ''\n\n  /**\n   * Increase the verbosity of the output.\n   * @environment SHOPIFY_FLAG_VERBOSE\n   */\n  '--verbose'?: ''\n}"
     }
   },
   "themeduplicate": {
diff --git a/packages/cli/README.md b/packages/cli/README.md
index 02da54b2d35..c13a042ffca 100644
--- a/packages/cli/README.md
+++ b/packages/cli/README.md
@@ -2321,8 +2321,8 @@ Uploads the current theme as a development theme to the connected store, then pr
 USAGE
   $ shopify theme dev [-a] [-e <value>...] [--error-overlay silent|default] [--host <value>] [-x <value>...]
     [--listing <value>] [--live-reload hot-reload|full-page|off] [--no-color] [-n] [--notify <value>] [-o <value>...]
-    [--open] [--password <value>] [--path <value>] [--port <value>] [-s <value>] [--store-password <value>] [-t <value>]
-    [--theme-editor-sync] [--verbose]
+    [--open] [--password <value>] [--path <value>] [--port <value>] [--standard-events-inspector] [-s <value>]
+    [--store-password <value>] [-t <value>] [--theme-editor-sync] [--verbose]
 
 FLAGS
   -a, --allow-live
@@ -2391,6 +2391,9 @@ FLAGS
   --port=<value>
       [env: SHOPIFY_FLAG_PORT] Local port to serve theme preview from. Must be between 1 and 65535.
 
+  --standard-events-inspector
+      [env: SHOPIFY_FLAG_STANDARD_EVENTS_INSPECTOR] Inject the standard events inspector into storefront HTML.
+
   --store-password=<value>
       [env: SHOPIFY_FLAG_STORE_PASSWORD] The password for storefronts with password protection.
 
diff --git a/packages/cli/oclif.manifest.json b/packages/cli/oclif.manifest.json
index a5922db0fd3..f0449b188f3 100644
--- a/packages/cli/oclif.manifest.json
+++ b/packages/cli/oclif.manifest.json
@@ -6503,6 +6503,13 @@
           "name": "port",
           "type": "option"
         },
+        "standard-events-inspector": {
+          "allowNo": false,
+          "description": "Inject the standard events inspector into storefront HTML.",
+          "env": "SHOPIFY_FLAG_STANDARD_EVENTS_INSPECTOR",
+          "name": "standard-events-inspector",
+          "type": "boolean"
+        },
         "store": {
           "char": "s",
           "description": "Store URL. It can be the store prefix (example) or the full myshopify.com URL (example.myshopify.com, https://example.myshopify.com).",
diff --git a/packages/theme/src/cli/commands/theme/dev.ts b/packages/theme/src/cli/commands/theme/dev.ts
index b38af843f3b..35a4df24359 100644
--- a/packages/theme/src/cli/commands/theme/dev.ts
+++ b/packages/theme/src/cli/commands/theme/dev.ts
@@ -77,6 +77,11 @@ You can run this command only in a directory that matches the [default Shopify t
       description: 'Synchronize Theme Editor updates in the local theme files.',
       env: 'SHOPIFY_FLAG_THEME_EDITOR_SYNC',
     }),
+    'standard-events-inspector': Flags.boolean({
+      description: 'Inject the standard events inspector into storefront HTML.',
+      env: 'SHOPIFY_FLAG_STANDARD_EVENTS_INSPECTOR',
+      default: false,
+    }),
     port: portFlag({
       description: 'Local port to serve theme preview from.',
       env: 'SHOPIFY_FLAG_PORT',
@@ -180,6 +185,7 @@ You can run this command only in a directory that matches the [default Shopify t
       force: flags.force,
       open: flags.open,
       'theme-editor-sync': flags['theme-editor-sync'],
+      'standard-events-inspector': flags['standard-events-inspector'],
       noDelete: flags.nodelete,
       ignore,
       only,
diff --git a/packages/theme/src/cli/services/dev.test.ts b/packages/theme/src/cli/services/dev.test.ts
index 2030d7ce3be..a0ca32ca763 100644
--- a/packages/theme/src/cli/services/dev.test.ts
+++ b/packages/theme/src/cli/services/dev.test.ts
@@ -3,8 +3,8 @@ import {setupDevServer} from '../utilities/theme-environment/theme-environment.j
 import {hasRequiredThemeDirectories} from '../utilities/theme-fs.js'
 import {isStorefrontPasswordProtected} from '../utilities/theme-environment/storefront-session.js'
 import {initializeDevServerSession} from '../utilities/theme-environment/dev-server-session.js'
-import {describe, expect, test, vi, beforeEach, afterEach, type MockInstance} from 'vitest'
 import {buildTheme} from '@shopify/cli-kit/node/themes/factories'
+import {describe, expect, test, vi, beforeEach, afterEach, type MockInstance} from 'vitest'
 import {DEVELOPMENT_THEME_ROLE} from '@shopify/cli-kit/node/themes/utils'
 import {renderSuccess, renderWarning} from '@shopify/cli-kit/node/ui'
 import {openURL} from '@shopify/cli-kit/node/system'
@@ -284,6 +284,7 @@ describe('dev() Ctrl-C analytics', () => {
     open: false,
     theme,
     force: false,
+    'standard-events-inspector': false,
     'theme-editor-sync': false,
     'live-reload': 'hot-reload' as const,
     'error-overlay': 'default' as const,
@@ -351,6 +352,44 @@ describe('dev() Ctrl-C analytics', () => {
 
     expect(reportAnalyticsEvent).toHaveBeenCalledTimes(1)
   })
+
+  test('enables the standard events dev bundle by default', async () => {
+    const devPromise = dev({...baseOptions, 'standard-events-inspector': false})
+
+    await new Promise((resolve) => setImmediate(resolve))
+
+    resolveBackgroundJob()
+    await devPromise
+
+    expect(setupDevServer).toHaveBeenCalledWith(
+      theme,
+      expect.objectContaining({
+        options: expect.objectContaining({
+          standardEventsDevBundle: true,
+          standardEventsInspector: false,
+        }),
+      }),
+    )
+  })
+
+  test('propagates the inspector option to the dev server context', async () => {
+    const devPromise = dev({...baseOptions, 'standard-events-inspector': true})
+
+    await new Promise((resolve) => setImmediate(resolve))
+
+    resolveBackgroundJob()
+    await devPromise
+
+    expect(setupDevServer).toHaveBeenCalledWith(
+      theme,
+      expect.objectContaining({
+        options: expect.objectContaining({
+          standardEventsDevBundle: true,
+          standardEventsInspector: true,
+        }),
+      }),
+    )
+  })
 })
 
 describe('dev() port validation', () => {
@@ -368,6 +407,7 @@ describe('dev() port validation', () => {
     open: false,
     theme,
     force: false,
+    'standard-events-inspector': false,
     'theme-editor-sync': false,
     'live-reload': 'hot-reload' as const,
     'error-overlay': 'default' as const,
diff --git a/packages/theme/src/cli/services/dev.ts b/packages/theme/src/cli/services/dev.ts
index aa97132ef5d..f9f440bcc69 100644
--- a/packages/theme/src/cli/services/dev.ts
+++ b/packages/theme/src/cli/services/dev.ts
@@ -39,6 +39,7 @@ interface DevOptions {
   host?: string
   port?: number
   force: boolean
+  'standard-events-inspector': boolean
   'theme-editor-sync': boolean
   'live-reload': LiveReload
   'error-overlay': ErrorOverlayMode
@@ -132,6 +133,8 @@ export async function dev(options: DevOptions) {
       port,
       open: options.open,
       liveReload: options['live-reload'],
+      standardEventsDevBundle: true,
+      standardEventsInspector: options['standard-events-inspector'],
       noDelete: options.noDelete,
       ignore: options.ignore,
       only: options.only,
diff --git a/packages/theme/src/cli/utilities/theme-environment/hot-reload/server.test.ts b/packages/theme/src/cli/utilities/theme-environment/hot-reload/server.test.ts
index 261e5541e87..bf577bfbc85 100644
--- a/packages/theme/src/cli/utilities/theme-environment/hot-reload/server.test.ts
+++ b/packages/theme/src/cli/utilities/theme-environment/hot-reload/server.test.ts
@@ -557,6 +557,8 @@ function createTestContext(options?: {files?: [string, string][]}) {
       host: '',
       port: 9292,
       liveReload: 'hot-reload',
+      standardEventsDevBundle: false,
+      standardEventsInspector: false,
       open: false,
       themeEditorSync: false,
       errorOverlay: 'default',
diff --git a/packages/theme/src/cli/utilities/theme-environment/html.ts b/packages/theme/src/cli/utilities/theme-environment/html.ts
index 909b6ba3d1c..8420869055d 100644
--- a/packages/theme/src/cli/utilities/theme-environment/html.ts
+++ b/packages/theme/src/cli/utilities/theme-environment/html.ts
@@ -2,6 +2,7 @@ import {getErrorPage} from './hot-reload/error-page.js'
 import {render} from './storefront-renderer.js'
 import {getInMemoryTemplates, handleHotReloadScriptInjection} from './hot-reload/server.js'
 import {getProxyStorefrontHeaders, patchRenderingResponse, proxyStorefrontRequest} from './proxy.js'
+import {injectStandardEventsInspector} from './standard-events.js'
 import {extractFetchErrorInfo} from '../errors.js'
 import {logRequestLine} from '../log-request-line.js'
 import {getExtensionInMemoryTemplates} from '../theme-ext-environment/theme-ext-server.js'
@@ -144,7 +145,8 @@ function createErrorPageResponse(
   responseInit: ResponseInit,
   options: Parameters<typeof getErrorPage>[0],
 ) {
-  const errorPageHtml = handleHotReloadScriptInjection(getErrorPage(options), ctx)
+  let errorPageHtml = handleHotReloadScriptInjection(getErrorPage(options), ctx)
+  if (ctx.options.standardEventsInspector) errorPageHtml = injectStandardEventsInspector(errorPageHtml)
 
   recordEvent('theme-service:error-page:rendered')
 
@@ -180,6 +182,14 @@ async function tryProxyRequest(event: H3Event, ctx: DevServerContext, response:
 
   if (proxyResponse.status < 400) {
     outputDebug(`Proxy status: ${proxyResponse.status}. Returning proxy response.`)
+
+    if (
+      ctx.options.standardEventsInspector &&
+      (proxyResponse.headers.get('content-type') ?? '').includes('text/html')
+    ) {
+      return patchRenderingResponse(ctx, proxyResponse)
+    }
+
     return proxyResponse
   } else {
     outputDebug(`Proxy status: ${proxyResponse.status}. Returning render error.`)
diff --git a/packages/theme/src/cli/utilities/theme-environment/local-assets.ts b/packages/theme/src/cli/utilities/theme-environment/local-assets.ts
index e925fef4a42..073c3d71a99 100644
--- a/packages/theme/src/cli/utilities/theme-environment/local-assets.ts
+++ b/packages/theme/src/cli/utilities/theme-environment/local-assets.ts
@@ -235,7 +235,7 @@ function getTagContent(file: ThemeAsset, tag: 'javascript' | 'stylesheet') {
 
   const contents = [`/* ${file.key} */`]
 
-  const tagContent = getLiquidTagContent(file.value ?? '', tag)
+  const tagContent = getLiquidTagContent(file.value ?? '', tag)?.trimEnd()
   if (tagContent) {
     contents.push(tagContent)
   }
diff --git a/packages/theme/src/cli/utilities/theme-environment/proxy.test.ts b/packages/theme/src/cli/utilities/theme-environment/proxy.test.ts
index beb524f3384..def95497c22 100644
--- a/packages/theme/src/cli/utilities/theme-environment/proxy.test.ts
+++ b/packages/theme/src/cli/utilities/theme-environment/proxy.test.ts
@@ -5,6 +5,12 @@ import {
   patchRenderingResponse,
   proxyStorefrontRequest,
 } from './proxy.js'
+import {
+  standardEventsInspectorScriptId,
+  standardEventsInspectorUrl,
+  standardEventsRuntimeDevUrl,
+  standardEventsRuntimeUrl,
+} from './standard-events.js'
 import {describe, test, expect, vi, beforeEach, afterEach} from 'vitest'
 import {createEvent} from 'h3'
 import {IncomingMessage, ServerResponse} from 'node:http'
@@ -29,7 +35,7 @@ describe('dev proxy', () => {
 
   const ctx = {
     session: {storeFqdn: 'my-store.myshopify.com', sessionCookies: {}},
-    options: {host: 'localhost', port: 1337},
+    options: {host: 'localhost', port: 1337, standardEventsDevBundle: false, standardEventsInspector: false},
     localThemeFileSystem: {files: new Map([['assets/file1', 'content']])},
     localThemeExtensionFileSystem: {files: new Map([['assets/file-ext', 'content']])},
   } as unknown as DevServerContext
@@ -115,10 +121,24 @@ describe('dev proxy', () => {
                 const url = "/cdn/path/to/assets/file1#zzz";
                 fetch(\`/cdn/path/to/assets/file1?q=123\`);
               "
-      `,
+        `,
       )
     })
 
+    test('rewrites standard events runtime URLs in JS files when enabled', () => {
+      const standardEventsCtx = {
+        ...ctx,
+        options: {...ctx.options, standardEventsDevBundle: true},
+      } as unknown as DevServerContext
+      const content = `
+        const runtimeUrl = "${standardEventsRuntimeUrl}";
+        import("${standardEventsRuntimeUrl}");
+      `
+
+      expect(injectCdnProxy(content, standardEventsCtx)).toContain(standardEventsRuntimeDevUrl)
+      expect(injectCdnProxy(content, standardEventsCtx)).not.toContain(standardEventsRuntimeUrl)
+    })
+
     test('proxies urls in Link header', () => {
       const linkHeader =
         `<https://cdn.shopify.com>; rel="preconnect", <https://cdn.shopify.com>; rel="preconnect"; crossorigin,` +
@@ -250,6 +270,38 @@ describe('dev proxy', () => {
       expect(ctx.session.sessionCookies).toHaveProperty('_shopify_essential', ':AZFbAlZ..yAAH:')
     })
 
+    test('injects the standard events inspector at the beginning of the head when enabled', async () => {
+      const standardEventsCtx = {
+        ...ctx,
+        options: {...ctx.options, standardEventsInspector: true},
+      } as unknown as DevServerContext
+
+      const renderingResponse = new Response('<html><head><meta charset="utf-8"></head><body></body></html>')
+
+      const patchedResponse = await patchRenderingResponse(standardEventsCtx, renderingResponse)
+
+      await expect(patchedResponse.text()).resolves.toBe(
+        `<html><head><script id="${standardEventsInspectorScriptId}" src="${standardEventsInspectorUrl}" defer></script><meta charset="utf-8"></head><body></body></html>`,
+      )
+    })
+
+    test('does not rewrite standard events runtime URLs when only the inspector is enabled', async () => {
+      const standardEventsCtx = {
+        ...ctx,
+        options: {...ctx.options, standardEventsInspector: true},
+      } as unknown as DevServerContext
+
+      const renderingResponse = new Response(
+        `<html><head><script src="${standardEventsRuntimeUrl}"></script></head><body></body></html>`,
+      )
+
+      const patchedResponse = await patchRenderingResponse(standardEventsCtx, renderingResponse)
+
+      await expect(patchedResponse.text()).resolves.toBe(
+        `<html><head><script id="${standardEventsInspectorScriptId}" src="${standardEventsInspectorUrl}" defer></script><script src="${standardEventsRuntimeUrl}"></script></head><body></body></html>`,
+      )
+    })
+
     test('captures _shopify_essential from Set-Cookie into session on 3xx responses', async () => {
       const localCtx = {
         ...ctx,
diff --git a/packages/theme/src/cli/utilities/theme-environment/proxy.ts b/packages/theme/src/cli/utilities/theme-environment/proxy.ts
index 2dfa7f95527..1a59801faa2 100644
--- a/packages/theme/src/cli/utilities/theme-environment/proxy.ts
+++ b/packages/theme/src/cli/utilities/theme-environment/proxy.ts
@@ -1,5 +1,6 @@
 import {cleanHeader, defaultHeaders} from './storefront-utils.js'
 import {buildCookies} from './storefront-renderer.js'
+import {injectStandardEventsInspector, rewriteStandardEventsRuntimeReferences} from './standard-events.js'
 import {logRequestLine} from '../log-request-line.js'
 
 import {createFetchError, extractFetchErrorInfo} from '../errors.js'
@@ -169,6 +170,10 @@ export function injectCdnProxy(originalContent: string, ctx: DevServerContext) {
     return matchedUrl
   })
 
+  if (ctx.options.standardEventsDevBundle) {
+    content = rewriteStandardEventsRuntimeReferences(content)
+  }
+
   return content
 }
 
@@ -213,6 +218,7 @@ export async function patchRenderingResponse(
   let html = await response.text()
   html = injectCdnProxy(html, ctx)
   html = patchBaseUrlAttributes(html, ctx)
+  if (ctx.options.standardEventsInspector) html = injectStandardEventsInspector(html)
   if (patchCallback) html = patchCallback(html) ?? html
 
   return new Response(html, response)
diff --git a/packages/theme/src/cli/utilities/theme-environment/standard-events.test.ts b/packages/theme/src/cli/utilities/theme-environment/standard-events.test.ts
new file mode 100644
index 00000000000..8934785e664
--- /dev/null
+++ b/packages/theme/src/cli/utilities/theme-environment/standard-events.test.ts
@@ -0,0 +1,65 @@
+import {
+  injectStandardEventsInspector,
+  rewriteStandardEventsRuntimeReferences,
+  standardEventsInspectorScriptId,
+  standardEventsInspectorUrl,
+  standardEventsRuntimeDevUrl,
+  standardEventsRuntimeUrl,
+} from './standard-events.js'
+import {describe, expect, test} from 'vitest'
+
+describe('injectStandardEventsInspector', () => {
+  test('injects the inspector script at the beginning of the head element', () => {
+    const html = '<html><head><meta charset="utf-8"></head><body></body></html>'
+
+    expect(injectStandardEventsInspector(html)).toBe(
+      `<html><head><script id="${standardEventsInspectorScriptId}" src="${standardEventsInspectorUrl}" defer></script><meta charset="utf-8"></head><body></body></html>`,
+    )
+  })
+
+  test('does not rewrite standard-events.js when injecting the inspector', () => {
+    const html = `<html><head><script src="${standardEventsRuntimeUrl}"></script></head><body></body></html>`
+
+    expect(injectStandardEventsInspector(html)).toBe(
+      `<html><head><script id="${standardEventsInspectorScriptId}" src="${standardEventsInspectorUrl}" defer></script><script src="${standardEventsRuntimeUrl}"></script></head><body></body></html>`,
+    )
+  })
+
+  test('does not inject the inspector twice', () => {
+    const html = `<html><head><script id="${standardEventsInspectorScriptId}" src="${standardEventsInspectorUrl}" defer></script></head><body></body></html>`
+
+    expect(injectStandardEventsInspector(html)).toBe(html)
+  })
+
+  test('does not treat a plain inspector URL string as an existing inspector script', () => {
+    const html = `<html><head><script>window.inspectorUrl = "${standardEventsInspectorUrl}"</script></head><body></body></html>`
+
+    expect(injectStandardEventsInspector(html)).toBe(
+      `<html><head><script id="${standardEventsInspectorScriptId}" src="${standardEventsInspectorUrl}" defer></script><script>window.inspectorUrl = "${standardEventsInspectorUrl}"</script></head><body></body></html>`,
+    )
+  })
+
+  test('leaves standard-events.js unchanged when the inspector is already present', () => {
+    const html = `<html><head><script id="${standardEventsInspectorScriptId}" src="${standardEventsInspectorUrl}" defer></script><script src="${standardEventsRuntimeUrl}"></script></head><body></body></html>`
+
+    expect(injectStandardEventsInspector(html)).toBe(html)
+  })
+})
+
+describe('rewriteStandardEventsRuntimeReferences', () => {
+  test('rewrites standard-events.js to standard-events.dev.js', () => {
+    const html = `<html><head><script src="${standardEventsRuntimeUrl}"></script></head><body></body></html>`
+
+    expect(rewriteStandardEventsRuntimeReferences(html)).toBe(
+      `<html><head><script src="${standardEventsRuntimeDevUrl}"></script></head><body></body></html>`,
+    )
+  })
+
+  test('rewrites multiple standard-events.js references', () => {
+    const content = `"${standardEventsRuntimeUrl}" import("${standardEventsRuntimeUrl}")`
+
+    expect(rewriteStandardEventsRuntimeReferences(content)).toBe(
+      `"${standardEventsRuntimeDevUrl}" import("${standardEventsRuntimeDevUrl}")`,
+    )
+  })
+})
diff --git a/packages/theme/src/cli/utilities/theme-environment/standard-events.ts b/packages/theme/src/cli/utilities/theme-environment/standard-events.ts
new file mode 100644
index 00000000000..58cf8f85384
--- /dev/null
+++ b/packages/theme/src/cli/utilities/theme-environment/standard-events.ts
@@ -0,0 +1,34 @@
+const headTagRE = /<head(\s[^>]*)?>/i
+
+const standardEventsBaseUrl = 'https://cdn.shopify.com/storefront'
+export const standardEventsRuntimeUrl = `${standardEventsBaseUrl}/standard-events.js`
+export const standardEventsRuntimeDevUrl = `${standardEventsBaseUrl}/standard-events.dev.js`
+export const standardEventsInspectorUrl = `${standardEventsBaseUrl}/standard-events-inspector.js`
+export const standardEventsInspectorScriptId = 'shopify-cli-standard-events-inspector'
+const standardEventsInspectorScriptRE = new RegExp(
+  `<script\\b[^>]*(?:\\bid=["']${escapeRegExp(standardEventsInspectorScriptId)}["']|\\bsrc=["']${escapeRegExp(
+    standardEventsInspectorUrl,
+  )}["'])[^>]*>`,
+  'i',
+)
+const standardEventsRuntimeRE = new RegExp(escapeRegExp(standardEventsRuntimeUrl), 'g')
+
+export function injectStandardEventsInspector(html: string) {
+  if (standardEventsInspectorScriptRE.test(html)) {
+    return html
+  }
+
+  return html.replace(
+    headTagRE,
+    (headTag: string) =>
+      `${headTag}<script id="${standardEventsInspectorScriptId}" src="${standardEventsInspectorUrl}" defer></script>`,
+  )
+}
+
+export function rewriteStandardEventsRuntimeReferences(content: string) {
+  return content.replace(standardEventsRuntimeRE, standardEventsRuntimeDevUrl)
+}
+
+function escapeRegExp(value: string) {
+  return value.replace(/[.*+?^${}()|[\]\\]/g, '\\$&')
+}
diff --git a/packages/theme/src/cli/utilities/theme-environment/theme-environment.test.ts b/packages/theme/src/cli/utilities/theme-environment/theme-environment.test.ts
index 0175c759eb7..ee1df677679 100644
--- a/packages/theme/src/cli/utilities/theme-environment/theme-environment.test.ts
+++ b/packages/theme/src/cli/utilities/theme-environment/theme-environment.test.ts
@@ -3,6 +3,11 @@ import {setupDevServer} from './theme-environment.js'
 import {render} from './storefront-renderer.js'
 import {reconcileAndPollThemeEditorChanges} from './remote-theme-watcher.js'
 import {hotReloadScriptId} from './hot-reload/server.js'
+import {
+  standardEventsInspectorScriptId,
+  standardEventsRuntimeDevUrl,
+  standardEventsRuntimeUrl,
+} from './standard-events.js'
 import {uploadTheme} from '../theme-uploader.js'
 import {fakeThemeFileSystem} from '../theme-fs/theme-fs-mock-factory.js'
 import {emptyThemeExtFileSystem} from '../theme-fs-empty.js'
@@ -118,6 +123,14 @@ describe('setupDevServer', () => {
         value: 'const x = "Hello\u00A0World";',
       },
     ],
+    [
+      'assets/file-standard-events.js',
+      {
+        checksum: '1',
+        key: 'assets/file-standard-events.js',
+        value: `window.__standardEventsRuntime__ = "${standardEventsRuntimeUrl}";`,
+      },
+    ],
   ])
 
   const localThemeFileSystem = fakeThemeFileSystem('tmp', localFiles)
@@ -141,6 +154,8 @@ describe('setupDevServer', () => {
       host: '127.0.0.1',
       port: 9292,
       liveReload: 'hot-reload',
+      standardEventsDevBundle: false,
+      standardEventsInspector: false,
       open: false,
       themeEditorSync: false,
       errorOverlay: 'default',
@@ -369,6 +384,25 @@ describe('setupDevServer', () => {
       expect(res.getHeader('content-length')).toEqual(25)
     })
 
+    test('rewrites standard events runtime URLs in served local JS assets when enabled', async () => {
+      const standardEventsContext: DevServerContext = {
+        ...defaultServerContext,
+        options: {
+          ...defaultServerContext.options,
+          standardEventsDevBundle: true,
+        },
+      }
+      const standardEventsServer = setupDevServer(developmentTheme, standardEventsContext)
+
+      const {res, body} = await dispatchEvent(standardEventsServer, '/assets/file-standard-events.js', {
+        host: defaultHost,
+      })
+
+      expect(res.getHeader('content-type')).toEqual('application/javascript')
+      expect(body.toString()).toContain(standardEventsRuntimeDevUrl)
+      expect(body.toString()).not.toContain(standardEventsRuntimeUrl)
+    })
+
     test('serves compiled_assets/styles.css by aggregating liquid stylesheets in a fault tolerant way', async () => {
       const sectionFile = {
         key: 'sections/test-section.liquid',
@@ -519,7 +553,6 @@ describe('setupDevServer', () => {
                     /* blocks/another-block.liquid */
 
                       console.log('This is another block script');
-                    
                   } catch (e) {
                     console.error(e);
                   }
@@ -531,7 +564,6 @@ describe('setupDevServer', () => {
                     /* blocks/test-block.liquid */
 
                       console.log('This is block script');
-                    
                   } catch (e) {
                     console.error(e);
                   }
@@ -606,7 +638,6 @@ describe('setupDevServer', () => {
                     /* snippets/another-snippet.liquid */
 
                       console.log('This is another snippet script');
-                    
                   } catch (e) {
                     console.error(e);
                   }
@@ -618,7 +649,6 @@ describe('setupDevServer', () => {
                     /* snippets/test-snippet.liquid */
 
                       console.log('This is snippet script');
-                    
                   } catch (e) {
                     console.error(e);
                   }
@@ -690,7 +720,6 @@ describe('setupDevServer', () => {
                     /* sections/another-section.liquid */
 
                       console.log('This is another section script');
-                    
                   } catch (e) {
                     console.error(e);
                   }
@@ -702,7 +731,6 @@ describe('setupDevServer', () => {
                     /* sections/test-section.liquid */
 
                       console.log('This is section script');
-                    
                   } catch (e) {
                     console.error(e);
                   }
@@ -906,6 +934,35 @@ describe('setupDevServer', () => {
       await expect(eventPromise).resolves.toHaveProperty('status', 302)
     })
 
+    test('patches HTML proxy fallback responses with standard events when enabled', async () => {
+      const standardEventsContext: DevServerContext = {
+        ...defaultServerContext,
+        options: {
+          ...defaultServerContext.options,
+          standardEventsDevBundle: true,
+          standardEventsInspector: true,
+        },
+      }
+      const standardEventsServer = setupDevServer(developmentTheme, standardEventsContext)
+
+      const fetchStub = vi.fn()
+      vi.stubGlobal('fetch', fetchStub)
+      fetchStub.mockResolvedValueOnce(
+        new Response(`<html><head><script src="${standardEventsRuntimeUrl}"></script></head><body></body></html>`, {
+          status: 200,
+          headers: {'content-type': 'text/html; charset=utf-8'},
+        }),
+      )
+      vi.mocked(render).mockResolvedValueOnce(new Response(null, {status: 401}))
+
+      const {body, status} = await dispatchEvent(standardEventsServer, '/non-renderable-path', {host: defaultHost})
+
+      expect(status).toBe(200)
+      expect(body).toMatch(standardEventsInspectorScriptId)
+      expect(body).toMatch(standardEventsRuntimeDevUrl)
+      expect(body).not.toMatch(standardEventsRuntimeUrl)
+    })
+
     test('forwards rendering error after proxy failure', async () => {
       const fetchStub = vi.fn()
       vi.stubGlobal('fetch', fetchStub)
@@ -1013,6 +1070,25 @@ describe('setupDevServer', () => {
       expect(body).toMatch(hotReloadScriptId)
     })
 
+    test('renders error page with the standard events inspector when enabled', async () => {
+      const standardEventsContext: DevServerContext = {
+        ...defaultServerContext,
+        options: {
+          ...defaultServerContext.options,
+          standardEventsInspector: true,
+        },
+      }
+      const standardEventsServer = setupDevServer(developmentTheme, standardEventsContext)
+
+      vi.mocked(render).mockRejectedValueOnce(new Error('Network error'))
+
+      const {res, body} = await dispatchEvent(standardEventsServer, '/', {host: defaultHost})
+
+      expect(res.getHeader('content-type')).toEqual('text/html; charset=utf-8')
+      expect(body).toMatch(standardEventsInspectorScriptId)
+      expect(body).toMatch(hotReloadScriptId)
+    })
+
     test('renders error page on upload errors with hot reload script injected', async () => {
       const fetchStub = vi.fn()
       vi.stubGlobal('fetch', fetchStub)
diff --git a/packages/theme/src/cli/utilities/theme-environment/types.ts b/packages/theme/src/cli/utilities/theme-environment/types.ts
index d01377975ea..b019515d95a 100644
--- a/packages/theme/src/cli/utilities/theme-environment/types.ts
+++ b/packages/theme/src/cli/utilities/theme-environment/types.ts
@@ -130,6 +130,16 @@ export interface DevServerContext {
      */
     liveReload: LiveReload
 
+    /**
+     * Rewrites standard events runtime URLs to use the dev bundle.
+     */
+    standardEventsDevBundle: boolean
+
+    /**
+     * Injects the standard events inspector into rendered HTML.
+     */
+    standardEventsInspector: boolean
+
     /**
      * Automatically open the theme preview in the default browser.
      */
diff --git a/packages/theme/src/cli/utilities/theme-ext-environment/theme-ext-server.test.ts b/packages/theme/src/cli/utilities/theme-ext-environment/theme-ext-server.test.ts
index e365662567d..2ee66bcdbe1 100644
--- a/packages/theme/src/cli/utilities/theme-ext-environment/theme-ext-server.test.ts
+++ b/packages/theme/src/cli/utilities/theme-ext-environment/theme-ext-server.test.ts
@@ -72,6 +72,8 @@ describe('createDevelopmentExtensionServer', () => {
       host: '127.0.0.1',
       port: 9293,
       liveReload: 'hot-reload',
+      standardEventsDevBundle: false,
+      standardEventsInspector: false,
       open: false,
       themeEditorSync: false,
       errorOverlay: 'default',
diff --git a/packages/theme/src/cli/utilities/theme-ext-environment/theme-ext-server.ts b/packages/theme/src/cli/utilities/theme-ext-environment/theme-ext-server.ts
index 55477a74de7..43a3482d7eb 100644
--- a/packages/theme/src/cli/utilities/theme-ext-environment/theme-ext-server.ts
+++ b/packages/theme/src/cli/utilities/theme-ext-environment/theme-ext-server.ts
@@ -95,6 +95,8 @@ async function contextDevServerContext(
       host,
       port,
       liveReload: 'hot-reload',
+      standardEventsDevBundle: false,
+      standardEventsInspector: false,
       open: false,
       errorOverlay: 'default',
     },