kona-theme: Skill for Claude Code

.claude/skills/shopify-liquid-kona-standards/SKILL.md

shopify-liquid-kona-standards is a skill for Claude Code from jonathanmoore/kona-theme. It costs 77 tokens per session (4,167 once invoked), scanned A, original, MIT.

A set of HTML, CSS, and JavaScript rules for the Kona Shopify theme. It explains how to use Tailwind CSS, the Vite build process, design tokens, browser components, and JavaScript that loads only when needed.

In plain words
What is it for?
Writing or reviewing Liquid templates, theme styles, JavaScript, responsive behavior, interactive components, and accessible frontend code.
Why use it?
It gives developers consistent rules for changing the theme and helps avoid unnecessary JavaScript or duplicated design values. It also defines where different kinds of styles belong.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is jonathanmoore/kona-theme's own configuration. It tells Claude Code how to work on kona-theme itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything kona-theme configures →

Reuse

Borrowing it

Nothing to install: this file belongs to jonathanmoore/kona-theme. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/jonathanmoore/kona-theme/main/.claude/skills/shopify-liquid-kona-standards/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/jonathanmoore/kona-theme

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for shopify-liquid-kona-standards

README.md
[![agentmods](https://agentmods.dev/badge/skills/jonathanmoore/kona-theme/shopify-liquid-kona-standards/github.svg)](https://agentmods.dev/skills/jonathanmoore/kona-theme/shopify-liquid-kona-standards)
Your own site
<a href="https://agentmods.dev/skills/jonathanmoore/kona-theme/shopify-liquid-kona-standards"><img src="https://agentmods.dev/badge/skills/jonathanmoore/kona-theme/shopify-liquid-kona-standards/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for shopify-liquid-kona-standards

Your own site · 80×15
<a href="https://agentmods.dev/skills/jonathanmoore/kona-theme/shopify-liquid-kona-standards"><img src="https://agentmods.dev/badge/skills/jonathanmoore/kona-theme/shopify-liquid-kona-standards.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 77 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,167 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00077 $0.04167
Opus 5.5 $0.00031 $0.01667
Sonnet 5.5 $0.00015 $0.00833
Haiku 4.5 $0.00008 $0.00417

Measured 2mo ago against content hash 8c10bdea1c2b, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

shopify-liquid-kona-standards scanned grade A with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

const response = await fetch(url, { signal: this.#controller.signal })
.claude/skills/shopify-liquid-kona-standards/SKILL.md · 512 lines

How it starts

The opening of the file, as written. The whole thing — 512 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CSS, JS & HTML Standards

Core Principles

  1. Progressive enhancement — semantic HTML first, CSS second, JS third
  2. Tailwind utility-first — use utility classes directly in markup; extract to @apply only when reused
  3. Island hydration — zero JS by default; interactive components hydrate on demand
  4. Design tokens — all values flow through Tailwind's @theme block or CSS custom properties
  5. No external JS dependencies — native browser APIs only

CSS Architecture

Where CSS Lives

Location Purpose
theme/frontend/styles/theme.css @theme block — design tokens (colors, spacing, fonts)
theme/frontend/styles/base.css @layer base — element resets and global styles
theme/frontend/styles/components.css @layer components — reusable component classes via @apply
theme/frontend/styles/utilities.css @layer utilities — custom utility classes
theme/frontend/entrypoints/theme.css Entry point — imports all layers (don't add styles here)
Inline class="" in Liquid Primary styling method — Tailwind utility classes
{% style %} in Liquid Dynamic CSS needing Liquid values (section settings)

No {% stylesheet %} tags — this theme uses Vite + Tailwind, not Shopify's built-in bundling.

Tailwind Utility-First Approach

{%- comment -%} Do: Tailwind utilities directly in markup {%- endcomment -%}
<div class="grid gap-4 md:grid-cols-3 lg:grid-cols-4">
  {% for product in collection.products %}
    <article class="group relative flex flex-col gap-2">
      <img
        src="{{ product.featured_image | image_url: width: 400 }}"
        alt="{{ product.featured_image.alt | escape }}"
        class="aspect-square w-full rounded object-cover"
        loading="lazy"
      >
      <h3 class="font-heading text-copy leading-copy text-primary">
        <a href="{{ product.url }}" class="after:absolute after:inset-0">
          {{ product.title }}
        </a>
      </h3>
      <span class="text-fine text-primary/60">{{ product.price | money }}</span>
    </article>
  {% endfor %}
</div>

Read the full file on GitHub · 512 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 512 lines · 77 tokens per session scan A 8c10bdea1c2b

Subscribe to this mod's changes

shopify-liquid-kona-standards is a skill published in the GitHub repository jonathanmoore/kona-theme (8 stars, last pushed 5mo ago), licensed MIT. It adds 77 tokens to every session and 4,167 once invoked, about $0.0003 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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