{"id":27321,"date":"2024-03-05T09:57:54","date_gmt":"2024-03-05T09:57:54","guid":{"rendered":"https:\/\/shopthemedetector.com\/blog\/?p=27321"},"modified":"2026-06-08T05:23:08","modified_gmt":"2026-06-08T05:23:08","slug":"shopify-cli-vs-theme-kit","status":"publish","type":"post","link":"https:\/\/shopthemedetector.com\/blog\/shopify-cli-vs-theme-kit\/","title":{"rendered":"Shopify CLI Vs Theme Kit"},"content":{"rendered":"<style>\/* show all review-table rows; hide redundant Show More button (all items already listed) *\/\n.showmore_hidden { display: table-row !important; }\n.readmore-container, .readmore { display: none !important; }<\/style>\n<p>If you\u2019re choosing between Shopify CLI and Theme Kit for theme development in 2026, the decision is already made for you: <strong>Shopify officially deprecated Theme Kit in September 2024<\/strong> and now directs every developer to Shopify CLI. Theme Kit still installs and runs basic push\/pull operations on existing projects, but it no longer receives feature updates, won\u2019t support newer Shopify capabilities, and Shopify has confirmed it will stop functioning entirely at some point. This guide covers the side-by-side comparison, the CLI commands you\u2019ll actually run day-to-day, the <code>SHOPIFY_CLI_THEME_TOKEN<\/code> setup for non-interactive CI deploys, and a 15-minute migration path if you\u2019re still on Theme Kit.<\/p>\n<div class=\"key-takeaways\"><div class=\"takeaways-title h2\">Key Takeaways<\/div><div class=\"takeaway-item\"><div class=\"takeaway-number\">1<\/div><div class=\"takeaway-text\">Theme Kit is deprecated as of September 2024. Shopify CLI is the only Shopify-supported theme development tool, and every new project should use it.<\/div><\/div><div class=\"takeaway-item\"><div class=\"takeaway-number\">2<\/div><div class=\"takeaway-text\">Theme Kit still pushes and pulls files on existing projects but receives no new features and lacks support for Online Store 2.0 (JSON templates, app blocks, theme app extensions).<\/div><\/div><div class=\"takeaway-item\"><div class=\"takeaway-number\">3<\/div><div class=\"takeaway-text\">Shopify CLI adds hot reload, real-time previews, the actively maintained theme-check linter, and a faster local dev server at http:\/\/127.0.0.1:9292.<\/div><\/div><div class=\"takeaway-item\"><div class=\"takeaway-number\">4<\/div><div class=\"takeaway-text\">Migration takes about 15 minutes: install with npm install -g @shopify\/cli @shopify\/theme, authenticate via browser OAuth, and swap theme watch for shopify theme dev.<\/div><\/div><div class=\"takeaway-item\"><div class=\"takeaway-number\">5<\/div><div class=\"takeaway-text\">For CI\/CD and headless setups, set the SHOPIFY_CLI_THEME_TOKEN environment variable so the CLI authenticates non-interactively without the OAuth browser flow.<\/div><\/div><\/div>\n<h2>What Is the Shopify CLI? (Quick Overview for 2026)<\/h2>\n<p>The Shopify CLI is the official command-line tool for building and managing Shopify themes, apps, and Hydrogen storefronts. Since Theme Kit was deprecated in 2024, the CLI is the only Shopify-supported workflow for theme development. The latest stable release as of 2026 is Shopify CLI 3.x, installed with npm: <code>npm install -g @shopify\/cli @shopify\/theme<\/code> (Node 18 or higher is required).<\/p>\n<p>The three most common use cases for the CLI in 2026:<\/p>\n<ul>\n<li><strong>Theme development:<\/strong> <code>shopify theme dev<\/code> spins up a local preview at <code>http:\/\/127.0.0.1:9292<\/code> with hot reload. Edit any Liquid, CSS, or JS file and the browser refreshes instantly.<\/li>\n<li><strong>App development:<\/strong> <code>shopify app dev<\/code> (and <code>shopify app init<\/code> to scaffold a new app) proxies your local app through a Cloudflare tunnel so Shopify can talk to it during testing. No more ngrok setup, no more manual webhook configuration.<\/li>\n<li><strong>Hydrogen (headless) storefronts:<\/strong> <code>shopify hydrogen dev<\/code> runs a local Hydrogen server with the same hot-reload experience as theme dev.<\/li>\n<\/ul>\n<p>If you\u2019ve ever used Theme Kit, the muscle-memory difference is that everything now starts with the literal command <code>shopify<\/code> followed by the resource type (<code>theme<\/code>, <code>app<\/code>, or <code>hydrogen<\/code>) and then the action. Most of what Theme Kit could do, the CLI can do better. A few workflows (especially batch CI deploys) need a different approach, which the comparison below and the <code>SHOPIFY_CLI_THEME_TOKEN<\/code> section cover in detail.<\/p>\n<h2>Theme Kit Is Deprecated, What That Means for You<\/h2>\n<p>In September 2024, Shopify officially announced that Theme Kit (also known as themekit, the Go-based CLI tool that developers used for years) is no longer actively developed. The official Shopify documentation now directs every theme developer to use Shopify CLI instead.<\/p>\n<p><strong>What still works on Theme Kit:<\/strong><\/p>\n<ul>\n<li>Pushing and pulling theme files to and from existing Shopify stores.<\/li>\n<li>Watching for local file changes and syncing them.<\/li>\n<li>Working with themes that don\u2019t use Online Store 2.0 features.<\/li>\n<\/ul>\n<p><strong>What does NOT work on Theme Kit:<\/strong><\/p>\n<ul>\n<li>Local theme preview with hot reload. Theme Kit relies on a polling-and-sync model that\u2019s much slower than Shopify CLI\u2019s local dev server.<\/li>\n<li>Full support for Online Store 2.0 features. JSON templates, app blocks, theme app extensions, and section-rendering API endpoints work properly only through Shopify CLI.<\/li>\n<li>Modern theme-check rules. Shopify\u2019s theme-check linter receives updates only through the CLI.<\/li>\n<li>Future Shopify features. Anything new from Shopify\u2019s theme platform from 2024 onward will be CLI-only.<\/li>\n<\/ul>\n<p><strong>Should you migrate immediately?<\/strong> If you\u2019re starting a new theme project, yes, use Shopify CLI from day one. If you have an existing project on Theme Kit and it\u2019s not broken, you can keep using Theme Kit short-term. But the migration is small (covered later in this guide) and the longer you wait, the more deprecated tooling debt you accumulate.<\/p>\n<h2>Quick Comparison Table: Shopify CLI vs Theme Kit<\/h2>\n<table>\n<thead>\n<tr>\n<th>Feature<\/th>\n<th>Shopify CLI<\/th>\n<th>Theme Kit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Status (2026)<\/td>\n<td>Active, Shopify-recommended<\/td>\n<td>Deprecated since September 2024<\/td>\n<\/tr>\n<tr>\n<td>Install<\/td>\n<td><code>npm install -g @shopify\/cli @shopify\/theme<\/code><\/td>\n<td>Download binary from GitHub<\/td>\n<\/tr>\n<tr>\n<td>Local dev server with hot reload<\/td>\n<td>Yes, <code>shopify theme dev<\/code><\/td>\n<td>No (file-watch-and-push only)<\/td>\n<\/tr>\n<tr>\n<td>Theme check (linting)<\/td>\n<td>Yes, actively updated<\/td>\n<td>Limited, frozen ruleset<\/td>\n<\/tr>\n<tr>\n<td>Online Store 2.0 support<\/td>\n<td>Full (JSON templates, app blocks)<\/td>\n<td>Partial<\/td>\n<\/tr>\n<tr>\n<td>App development<\/td>\n<td>Yes (<code>shopify app init<\/code>, <code>shopify app dev<\/code>)<\/td>\n<td>Themes only<\/td>\n<\/tr>\n<tr>\n<td>Hydrogen (headless)<\/td>\n<td>Yes (<code>shopify hydrogen dev<\/code>)<\/td>\n<td>No<\/td>\n<\/tr>\n<tr>\n<td>Authentication<\/td>\n<td>OAuth via browser, or <code>SHOPIFY_CLI_THEME_TOKEN<\/code> for CI<\/td>\n<td>API password in <code>config.yml<\/code> (less secure)<\/td>\n<\/tr>\n<tr>\n<td>Future development<\/td>\n<td>Active<\/td>\n<td>None<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>How to Install Shopify CLI<\/h2>\n<p>Install with one npm command:<\/p>\n<p><code>npm install -g @shopify\/cli @shopify\/theme<\/code><\/p>\n<p>Node 18+ is required. Verify the install with <code>shopify version<\/code>, which prints the installed version (currently Shopify CLI 3.x as of 2026). If you\u2019d rather not install globally, run it on-demand with <code>npx @shopify\/cli@latest<\/code>, useful in CI containers where you want the latest version every run.<\/p>\n<p>The first time you run any <code>shopify theme<\/code> command in a directory, the CLI opens a browser window for OAuth login. Sign in with the Shopify account that has access to the development store. Authentication persists in your home directory, so you only do this once per machine.<\/p>\n<h2>Migrating From Theme Kit to Shopify CLI<\/h2>\n<p>If you have an existing Theme Kit project, here\u2019s the practical migration path. The whole process takes about 15 minutes per theme.<\/p>\n<p><strong>Step 1, Install Shopify CLI.<\/strong> If you don\u2019t already have it: <code>npm install -g @shopify\/cli @shopify\/theme<\/code>. Verify with <code>shopify version<\/code>.<\/p>\n<p><strong>Step 2, Authenticate.<\/strong> From your theme directory, run <code>shopify theme dev --store your-store.myshopify.com<\/code>. The first time, it opens a browser window for OAuth login. Theme Kit\u2019s API-password approach is replaced. You authenticate once with your Shopify account and the credentials persist locally.<\/p>\n<p><strong>Step 3, Confirm the theme structure is compatible.<\/strong> Theme Kit and Shopify CLI use the same theme folder structure (assets, config, layout, locales, sections, snippets, templates). No file restructuring is needed for the migration itself.<\/p>\n<p><strong>Step 4, Replace your Theme Kit commands.<\/strong> Practical one-to-one mapping:<\/p>\n<ul>\n<li><code>theme watch<\/code> \u2192 <code>shopify theme dev<\/code><\/li>\n<li><code>theme deploy<\/code> \u2192 <code>shopify theme push<\/code><\/li>\n<li><code>theme download<\/code> \u2192 <code>shopify theme pull<\/code><\/li>\n<li><code>theme open<\/code> \u2192 <code>shopify theme open<\/code><\/li>\n<li><code>theme new<\/code> \u2192 <code>shopify theme init<\/code><\/li>\n<\/ul>\n<p><strong>Step 5, Update your <code>config.yml<\/code>.<\/strong> Theme Kit used a <code>config.yml<\/code> in the theme root for store URL and API password. Shopify CLI doesn\u2019t need this file at all. Store identity is handled through the OAuth session and command flags. You can delete the config file once you\u2019re confident the CLI workflow is working.<\/p>\n<p><strong>Step 6, Update your CI\/CD or deployment scripts.<\/strong> If you\u2019re using Theme Kit in GitHub Actions, GitLab CI, or any deploy automation, swap the binary download for the npm install plus update the commands. For non-interactive auth in CI, set <code>SHOPIFY_CLI_THEME_TOKEN<\/code> (see the next section). Shopify also publishes a GitHub Action that wraps the CLI for theme deployment.<\/p>\n<h2>SHOPIFY_CLI_THEME_TOKEN: Non-Interactive Auth for CI\/CD and Headless Deploys<\/h2>\n<p>The OAuth browser flow is great for local development but useless in CI pipelines, headless servers, or any context where no human is sitting at a browser. For those cases, Shopify CLI reads a theme access token from the <code>SHOPIFY_CLI_THEME_TOKEN<\/code> environment variable and authenticates non-interactively.<\/p>\n<p><strong>Step 1, Generate a theme access token.<\/strong> Install Shopify\u2019s Theme Access app on the target store (free, official Shopify app). Inside the app, create a new password for the developer or pipeline that needs deploy access, and Shopify emails them a token that starts with <code>shptka_<\/code>. Treat this token like a password.<\/p>\n<p><strong>Step 2, Export the variables in your CI environment.<\/strong> Two variables are needed together: the token and the store URL.<\/p>\n<p><code>export SHOPIFY_CLI_THEME_TOKEN=shptka_xxxxxxxxxxxxxxxxxxxxxxxxxxxx<\/code><br \/>\n<code>export SHOPIFY_FLAG_STORE=your-store.myshopify.com<\/code><\/p>\n<p>In GitHub Actions, store both as repository secrets and reference them in your workflow\u2019s <code>env:<\/code> block. In GitLab CI, add them as masked variables under Settings, CI\/CD, Variables. Whatever your runner is, make sure they\u2019re masked so the token never prints in build logs.<\/p>\n<p><strong>Step 3, Run the CLI as normal.<\/strong> Once the variables are set, every <code>shopify theme<\/code> command runs without prompting. A typical CI deploy step looks like this:<\/p>\n<p><code>shopify theme push --unpublished --json --path .\/theme<\/code><\/p>\n<p>Add <code>--theme=$THEME_ID<\/code> to push to a specific existing theme, or <code>--allow-live<\/code> to publish over the live theme (use with care, usually gated behind manual approval in production pipelines).<\/p>\n<p><strong>App-side equivalent:<\/strong> For app-development CI workflows, the matching variable is <code>SHOPIFY_CLI_PARTNERS_TOKEN<\/code>, generated from your Shopify Partners dashboard. It authenticates <code>shopify app deploy<\/code> and other app commands non-interactively.<\/p>\n<p><strong>Common gotcha:<\/strong> the older <code>SHOPIFY_PASSWORD<\/code> and <code>SHOPIFY_API_KEY<\/code> variables from the Theme Kit era are not equivalent and won\u2019t work with Shopify CLI. If you\u2019re migrating a pipeline, delete those, generate a new Theme Access token, and set <code>SHOPIFY_CLI_THEME_TOKEN<\/code> instead.<\/p>\n<h2>Essential Shopify CLI Commands for Theme Developers<\/h2>\n<p>The day-to-day commands you\u2019ll run most often:<\/p>\n<p><strong><code>shopify theme dev<\/code><\/strong>, starts a local development server with hot reload. Edit any theme file and the browser updates immediately. This is the headline feature that Theme Kit can\u2019t match.<\/p>\n<p><strong><code>shopify theme push<\/code><\/strong>, uploads your local theme to a development theme on the connected store. Add <code>--unpublished<\/code> to push to a brand-new unpublished theme, or <code>--theme=THEME_ID<\/code> to push to a specific existing theme.<\/p>\n<p><strong><code>shopify theme pull<\/code><\/strong>, downloads a theme from your store to your local directory. Use this to sync changes another developer made via the theme editor.<\/p>\n<p><strong><code>shopify theme check<\/code><\/strong>, lints your theme files for errors, deprecated syntax, and Liquid issues. Run before pushing to catch problems early.<\/p>\n<p><strong><code>shopify theme list<\/code><\/strong>, lists all themes on the connected store with their IDs. Useful when you need to push to a specific theme.<\/p>\n<p><strong><code>shopify theme init<\/code><\/strong>, creates a new theme project from Shopify\u2019s Dawn theme starter. Faster than cloning a repo manually.<\/p>\n<p><strong><code>shopify theme open<\/code><\/strong>, opens the current theme in the Shopify admin\u2019s theme editor in your browser.<\/p>\n<p><strong><code>shopify theme share<\/code><\/strong>, generates a temporary preview URL for your unpublished theme that anyone can access without authentication. Useful for sharing work-in-progress with clients.<\/p>\n<p><strong><code>shopify login<\/code> \/ <code>shopify logout<\/code><\/strong>, manage your active OAuth session. Run <code>shopify logout<\/code> if you need to switch Shopify accounts on the same machine.<\/p>\n<h2>Workflow Comparison: Speed and Feedback<\/h2>\n<p><strong>Shopify CLI workflow.<\/strong> Shopify CLI runs a local development server at <code>http:\/\/127.0.0.1:9292<\/code>. You edit a Liquid file in your editor, the CLI detects the change, and the browser updates in milliseconds, no manual push, no waiting for sync. The <code>theme check<\/code> linter catches errors before you push to production. For solo developers and small teams who prioritize speed, this workflow is significantly faster than anything Theme Kit can do.<\/p>\n<p><strong>Theme Kit workflow (legacy).<\/strong> Theme Kit watches local files and pushes changes to your Shopify store as you save. You then refresh the browser to see changes. The round-trip time is several seconds even on a fast connection. Error detection is limited and most problems surface only after you push to production.<\/p>\n<h2>Authentication and Security<\/h2>\n<p>Theme Kit used API passwords stored in <code>config.yml<\/code> files. Anyone who got that file got full access to your store, and rotating credentials meant updating every developer\u2019s local config. Shopify CLI replaced this with OAuth: you authenticate through the browser once, the credentials never sit in a file, and revoking access is one click in the Shopify admin. For pipelines, scoped Theme Access tokens (the <code>shptka_<\/code> values used with <code>SHOPIFY_CLI_THEME_TOKEN<\/code>) are revocable per-developer, per-store, without touching anyone else\u2019s setup. This is materially better for any team larger than one person.<\/p>\n<h2>Troubleshooting Tips<\/h2>\n<p><strong>If <code>shopify theme dev<\/code> hangs on startup:<\/strong> ensure your store URL is correct (no trailing slash, includes <code>.myshopify.com<\/code>) and that your account has access to the store. The CLI will print a clear error if authentication fails.<\/p>\n<p><strong>If hot reload stops working mid-session:<\/strong> restart the dev server. This is rare but happens after large structural changes (adding new sections, renaming templates).<\/p>\n<p><strong>If <code>theme check<\/code> reports errors you don\u2019t agree with:<\/strong> the linter has a config file at <code>.theme-check.yml<\/code> in your theme root where you can disable specific rules. Don\u2019t disable broadly, the rules exist for good reasons, but it\u2019s reasonable to silence one or two that don\u2019t apply to your project.<\/p>\n<p><strong>If <code>SHOPIFY_CLI_THEME_TOKEN<\/code> isn\u2019t being picked up in CI:<\/strong> confirm both the token and <code>SHOPIFY_FLAG_STORE<\/code> are exported in the same shell step as the <code>shopify<\/code> command. Setting them in one job step and running the CLI in another (without re-exporting) is the most common cause of \u201cnot authenticated\u201d errors in GitHub Actions and GitLab pipelines.<\/p>\n<p><strong>If you need to fall back to Theme Kit for a specific reason:<\/strong> it still installs and runs, but document why and plan the eventual migration. \u201cWe need it for X\u201d is fine; \u201cwe\u2019re avoiding Shopify CLI on principle\u201d stops being defensible as more Shopify features become CLI-only.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you\u2019re choosing between Shopify CLI and Theme Kit for theme development in 2026, the decision is already made for you: Shopify officially deprecated Theme Kit in September 2024 and\u2026<\/p>\n","protected":false},"author":5,"featured_media":48816,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_title":"Shopify CLI vs Theme Kit (2026): Which to Use Now Theme Kit Is Deprecated","_yoast_wpseo_metadesc":"Shopify CLI vs Theme Kit in 2026 \u2014 Theme Kit was officially deprecated. Here's what still works, when to migrate, the commands you need, and the comparison table.","_yoast_wpseo_metatitle":"","footnotes":""},"categories":[13],"tags":[],"class_list":{"0":"post-27321","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-shopify-store-set-up"},"acf":{"breadcrumbs":[{"postpage":[27006]}],"conclusion":"<h2>Conclusion: Shopify CLI Vs Theme Kit<\/h2>\n<p>The short answer for 2026 is to use Shopify CLI for every new theme, app, and Hydrogen project. Theme Kit was officially deprecated in September 2024 and the gap between the two tools keeps widening: the CLI ships with a real local dev server and hot reload at <code>http:\/\/127.0.0.1:9292<\/code>, an actively maintained theme-check linter, native Online Store 2.0 support (JSON templates, app blocks, theme app extensions), and OAuth-based authentication that's safer than the API passwords Theme Kit relied on.<\/p>\n<p>If you still have Theme Kit projects in production, the migration takes about 15 minutes per theme. Install the CLI with <code>npm install -g @shopify\/cli @shopify\/theme<\/code>, swap your <code>theme watch<\/code>\/<code>deploy<\/code>\/<code>download<\/code> commands for <code>shopify theme dev<\/code>\/<code>push<\/code>\/<code>pull<\/code>, and for any CI\/CD pipeline set <code>SHOPIFY_CLI_THEME_TOKEN<\/code> plus <code>SHOPIFY_FLAG_STORE<\/code> so the CLI authenticates non-interactively. Every Shopify feature shipped from 2024 onward is CLI-only, so the cost of waiting is feature debt that compounds with every release.<\/p>\n","repeater":null,"filter":false,"attach_to_post":[9736],"author_bio":false,"custom_author_bio":false,"author_bio_name":"","author_bio_info":"","_meta_excerpt_title":"","meta_excerpt":"","trust_signals":{"expert_reviewed":true,"items_tested":""},"key_statistics":null,"key_takeaways":{"takeaways_items":null},"required_subtopics":null,"context_block":{"context_heading":"","context_excerpt":"","context_content":""},"methodology":{"methodology_heading":"","methodology_content":""},"comparison_table":"","mid_content_cta":{"cta_text":"","cta_button_text":"","cta_link":""}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Shopify CLI vs Theme Kit (2026): Which to Use Now Theme Kit Is Deprecated<\/title>\n<meta name=\"description\" content=\"Shopify CLI vs Theme Kit in 2026 \u2014 Theme Kit was officially deprecated. 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