shopify-mcp

shopify-mcp is a skill for Claude Code, Codex from MSApps-Mobile/claude-plugins. It costs 133 tokens per session (1,220 once invoked), scanned A, original, MIT.

A set of tools for working with Shopify online stores, including their product catalogues, shopping carts, policies, and storefront themes. Shopify is a platform for running online shops.

In plain words
What is it for?
Use it to search products, inspect collections, create or change carts, read store policies, and describe a shop's current theme.
Why use it?
It gives an agent a defined way to inspect shop data and manage carts across different stores without tying the setup to one shop.

Skill for Claude CodeCodex

Part of the opsagent-shopify plugin — 3 skills shipped together

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.

agentmods
npx agentmods add skills/msapps-mobile/claude-plugins/shopify-mcp
Any agent
npx skills add MSApps-Mobile/claude-plugins --skill shopify-mcp
Clone the repo
git clone --depth 1 https://github.com/MSApps-Mobile/claude-plugins

Made for: Claude Code, Codex.

Or install opsagent-shopify, the plugin that ships this one along with the rest of its 3 skills.

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-mcp

README.md
[![agentmods](https://agentmods.dev/badge/skills/msapps-mobile/claude-plugins/shopify-mcp.svg)](https://agentmods.dev/skills/msapps-mobile/claude-plugins/shopify-mcp)
Your own site
<a href="https://agentmods.dev/skills/msapps-mobile/claude-plugins/shopify-mcp"><img src="https://agentmods.dev/badge/skills/msapps-mobile/claude-plugins/shopify-mcp.svg" alt="Measured on agentmods" height="20"></a>
Per session 133 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,220 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00133 $0.01220
Opus 5 $0.00067 $0.00610
Sonnet 5 $0.00027 $0.00244
Haiku 4.5 $0.00013 $0.00122

Measured 5d ago against content hash 637cd63c75ea, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

shopify-mcp 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 5d 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.

plugins/opsagent-shopify/skills/shopify-mcp/SKILL.md · 102 lines

How it starts

The opening of the file, as written. The whole thing — 102 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Shopify MCP — multi-tenant storefront operator

Use this skill whenever Claude needs to act on a Shopify store through the opsagent-shopify MCP server. Prefer these tools over raw fetch calls or the generic apify-scraping skill — they are tokened, rate-aware, and multi-tenant.

When to trigger

  • "What's in <client-handle>'s catalog right now?"
  • "Find products in shop X under $50 that contain 'linen'."
  • "Build me a cart with three of variant ID ..."
  • "Read the shipping policy of foo.myshopify.com."
  • "Describe the storefront of this shop before we swap the theme."
  • "Why is selectModel() returning undefined on the product page of <shop>?" → call shopify_describe_theme first to confirm which theme + version is live before diving into theme JS.

Mental model

One install, every store. Each tool takes an optional shop argument of the form <handle>.myshopify.com. If omitted, the server falls back to SHOPIFY_DEFAULT_SHOP (set per-client in the MCP config). Never hardcode a shop inside the skill — pass it explicitly when the user mentions one.

Two backends, one surface:

  • Public catalog + cart ops go to Shopify's Storefront MCP endpoint (https://{shop}/api/mcp). No token. Tools: shopify_search_products, shopify_get_cart, shopify_update_cart.
  • Richer read ops (products by handle, policies, collections, shop metadata) go to Storefront GraphQL. Needs SHOPIFY_STOREFRONT_TOKEN.

If a GraphQL tool errors with "Storefront GraphQL requires a token," surface that to the user and ask them to paste one into the plugin config — don't silently degrade.

Plan → Act → Verify

  1. Plan — Identify the shop and the intent (read vs cart-mutation vs checkout-mutation). Read ops are cheap; cart mutations should be confirmed with the user if the cart is real (not a throwaway test cart).
  2. Act — Call the narrowest tool. Prefer shopify_search_products over pulling the whole catalog. Prefer shopify_get_product for detail pages.
  3. Verify — For cart mutations, re-fetch with shopify_get_cart and show the resulting line items. For checkout starts, return the URL and tell the user what will happen if they open it.

Read the full file on GitHub · 102 lines

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. 5d ago First seen · 102 lines · 133 tokens per session scan A 637cd63c75ea

Subscribe to this mod's changes

shopify-mcp is a skill published in the GitHub repository MSApps-Mobile/claude-plugins (9 stars, last pushed 9d ago), licensed MIT. It adds 133 tokens to every session and 1,220 once invoked, about $0.0007 per session on Opus 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 2026-08-31.

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