shopify-functions

shopify-functions is a skill for Claude Code from Shopify/Shopify-AI-Toolkit. It costs 61 tokens per session (138 once invoked), scanned A, original, MIT.

A Shopify Functions development skill for customizing backend behavior in parts of a Shopify store. Shopify Functions can change discounts, cart and checkout validation, delivery options, fulfillment rules, and order routing.

In plain words
What is it for?
Use it to build Shopify Functions for discounts, cart changes, checkout checks, delivery customization, fulfillment constraints, pickup options, or order routing.
Why use it?
It helps developers choose and implement the right backend customization while following Shopify’s required documentation search and code-validation process.

Skill for Claude Code ✓ vendor

Written for Claude Code: shipped in a Claude Code plugin.

Part of the shopify-plugin plugin — 23 skills, 2 hooks shipped together

Good fit Use it to build Shopify Functions for discounts, cart changes, checkout checks, delivery customization, fulfillment constraints, pickup options, or order routing.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/shopify/shopify-ai-toolkit/shopify-functions
About the project

Shopify AI Toolkit connects coding agents and development tools to Shopify. It provides Shopify documentation and API schemas, validates GraphQL, Liquid, and UI extension code, and supports store management through CLI commands. Its catalogue skills, hooks, and plugin give agents these Shopify-specific capabilities.

Shopify/Shopify-AI-Toolkit · 607 stars · on GitHub

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add Shopify/Shopify-AI-Toolkit --skill shopify-functions
Clone the repo
git clone --depth 1 https://github.com/Shopify/Shopify-AI-Toolkit

Made for: Claude Code.

Or install shopify-plugin, the plugin that ships this one along with the rest of its 23 skills, 2 hooks.

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-functions

README.md
[![agentmods](https://agentmods.dev/badge/skills/shopify/shopify-ai-toolkit/shopify-functions/github.svg)](https://agentmods.dev/skills/shopify/shopify-ai-toolkit/shopify-functions)
Your own site
<a href="https://agentmods.dev/skills/shopify/shopify-ai-toolkit/shopify-functions"><img src="https://agentmods.dev/badge/skills/shopify/shopify-ai-toolkit/shopify-functions/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-functions

Your own site · 80×15
<a href="https://agentmods.dev/skills/shopify/shopify-ai-toolkit/shopify-functions"><img src="https://agentmods.dev/badge/skills/shopify/shopify-ai-toolkit/shopify-functions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 61 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 138 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • Socket fail 26 Sept 2026
  • Snyk pass 26 Sept 2026
How audits are shown
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 $0.00061 $0.00138
Opus 5.5 $0.00024 $0.00055
Sonnet 5.5 $0.00012 $0.00028
Haiku 4.5 $0.00006 $0.00014

Measured 25d ago against content hash 0c3c722488c5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

shopify-functions scanned grade A with 0 findings 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 25d 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.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

deprecated/shopify-functions/SKILL.md · 9 lines

What it actually says

shopify-functions (deprecated)

This skill is deprecated and replaced by shopify. Tell the user: "shopify-functions is deprecated. Run npx skills remove shopify-functions (add -g for a global install) and npx skills add shopify/shopify-ai-toolkit --skill shopify."

Files

What ships with it

60 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. 25d ago Changed · -422 lines 0c3c722488c5
  2. 1mo ago Changed 824b2f6b935c
  3. 1mo ago Changed 0b6aeb532eb8
  4. 1mo ago Changed 11b1f45da79c
  5. 1mo ago Changed · +23 lines 293f8aaad0c2
  6. 1mo ago First seen · 408 lines · 61 tokens per session scan A dd21a78224e0

Subscribe to this mod's changes

shopify-functions is a skill published in the GitHub repository Shopify/Shopify-AI-Toolkit (607 stars, last pushed 4d ago), licensed MIT. It adds 61 tokens to every session and 138 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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