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Shopify Development · microck | DecimalAI

codingby microck

Shopify Development

microck/shopify

Source microck/ordinary-claude-skills ↗License NOASSERTION

Build Shopify applications, extensions, and themes using GraphQL/REST APIs, Shopify CLI, Polaris UI components, and Liquid templating. Capabilities include app development with OAuth authentication, checkout UI extensions for customizing checkout flow, admin UI extensions for dashboard integration, POS extensions for retail, theme development with Liquid, webhook management, billing API integration, product/order/customer management.

SkillScore95Maintained

Automatic

Coding pack

Last verified 8/21/2026

What it changes

Passed 21 of 22 test cases with the skill, and 18 of 22 without it.

Without skill82%

With skill95%

Checks it passed that the model alone missed

Sets the extension type parameter to checkout_ui_extension
Pushes dev changes using shopify theme push with the --development flag
Recommends combining an App for backend logic with a Theme App Extension for storefront UI

3 fixed18 passed either way1 still failing0 broke

Pass-rate lift: +14 pp
Tokens: +106%
Agent turns: 0%
Response time: -17%

Model gemini-3.6-flashMeasured 8/21/2026v121 of 22 cases passed with skill

Tokens, turns and time describe resource use, not a dollar price.

Use this skill

Save it into your project's skills folder. Claude Code picks it up in its next session.

curl -fsSL --create-dirs -o .claude/skills/microck-shopify/SKILL.md https://app.decimal.ai/s/microck-shopify/SKILL.md

Want it pinned and updatable? pip install "decimalai>=0.15", then decimalai skills add microck-shopify, and start Claude Code with claude --plugin-dir "$(git rev-parse --show-toplevel)/.agents"

1 · One-time — install the CLI (docs ↗)

pip install "decimalai>=0.15"

2 · Get the skill — writes .agents/skills/microck-shopify/ and pins it in .decimal/skills.lock

decimalai skills add microck-shopify

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/microck-shopify/SKILL.md https://app.decimal.ai/s/microck-shopify/SKILL.md

Raw file: /s/microck-shopify/SKILL.md ↗ · machine-readable summary at /s/microck-shopify.json ↗

Safety checks: 3 of 3 passed

Code scan CleanIntent PassedContent Clean

See it in action

One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.

1 of 3

Prompt

I am building a Shopify app and want to generate a new extension for customizing the checkout experience. I'm deciding whether to use standard npm boilerplate generators or the official CLI app command. What CLI command and type option flag scaffold this checkout extension?

What was checked, without and with the skill
Checked	Without skill	With skill
Uses the shopify app generate extension subcommand	Passed	Passed
Sets the extension type parameter to checkout_ui_extension	Missed	Passed

case-02 · gemini-3.6-flash · 8/21/2026 · answers are capped and redacted

What's inside

The instructions your model reads when the skill loads.

SKILL.md314 linessingle file

Shopify Development

Comprehensive guide for building on Shopify platform: apps, extensions, themes, and API integrations.

Platform Overview

Core Components:

Shopify CLI - Development workflow tool
GraphQL Admin API - Primary API for data operations (recommended)
REST Admin API - Legacy API (maintenance mode)
Polaris UI - Design system for consistent interfaces
Liquid - Template language for themes

Extension Points:

Checkout UI - Customize checkout experience
Admin UI - Extend admin dashboard
POS UI - Point of Sale customization
Customer Account - Post-purchase pages
Theme App Extensions - Embedded theme functionality

Quick Start

Prerequisites

# Install Shopify CLI
npm install -g @shopify/cli@latest

# Verify installation
shopify version

Create New App

# Initialize app
shopify app init

# Start development server
shopify app dev

Track record

Benchmark

21 / 22

test cases passed, vs 18 / 22 without

Adoption

Users: 0
Times used: 0

Safety and source details

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

View 15 scanner checks

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

microck / ordinary-claude-skills

skills_all/shopify/SKILL.md

View on GitHub ↗

License NOASSERTIONImported 8/3/2026Version v1

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Ready to supercharge your AI agents?

See it in action

What's inside

Shopify Development

Platform Overview

Quick Start

Prerequisites

Create New App

Track record

Benchmark

Adoption

SkillSafety

Source

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