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.
npx agentmods add skills/shopify/shop-cli/skillnpx skills add Shopify/shop-cli --skill skillgit clone --depth 1 https://github.com/Shopify/shop-cliWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00058 | $0.03880 |
| Opus 5 | $0.00029 | $0.01940 |
| Sonnet 5 | $0.00012 | $0.00776 |
| Haiku 4.5 | $0.00006 | $0.00388 |
Grade A, and why
shop 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 yesterday.
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.
How it starts
The opening of the file, as written. The whole thing — 216 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Shop CLI Skill
Setup
Prefer the installed shop CLI. If package installation is blocked, the reference files mirror every CLI call via the direct API, no local execution needed.
pnpm add --global @shopify/shop-cli # or: npm install --global @shopify/shop-cli
shop --help
To upgrade: pnpm add --global @shopify/shop-cli@latest (or npm install --global @shopify/shop-cli@latest). Uninstall: pnpm rm -g @shopify/shop-cli (or npm rm -g @shopify/shop-cli).
Reference files:
- catalog-mcp.md — direct catalog MCP calls + manual token exchange
- direct-api.md — auth, checkout, and orders API details
- safety.md — safety, security, and prompt-injection rules
- legal.md — personal-use limits and prohibited commercial uses
IMPORTANT: Shopping flow
Every shopping conversation follows this order. Each step links to its rules below; each rule lives in exactly one place.
- Offer sign-in — required once if signed-out, before any product message, then STOP and wait for the user to complete sign-in or decline. → Sign in
- Search the catalog with
shop search. → Searching - Show results — one assistant message per product, then one summary message. → Showing products
- Offer visualization when the item is visual. → Visualization
- Checkout on the merchant domain, only with clear purchase intent. → Checkout
- Orders — tracking, returns, reorder (needs sign-in). → Orders
Commands
Catalog
shop search is the single entry point for catalog discovery: free-text, similar items (--like-id), and visual search (--image). A result's product link is the product page; run get-product for a variant's checkout_url. Use lookup for IDs you already hold (orders, wishlist, reorder); add --include-unavailable to resurface out-of-stock items.
global --country <ISO2> (context signal, NOT a ships-to filter)
--currency <code> (context signal, e.g. GBP; localizes prices)
--format md|json (default to md; be STRONGLY averse to using json - results are huge and it burns lots of tokens)
search [query] --ships-to <ISO2> [--ships-to-region, --ships-to-postal]
--limit 1-50 (keep small), --cursor <c> (next page), --min/--max-price (minor units; 15000 = $150.00)
--condition new,secondhand (default new), --ships-from <ISO2,...> (comma list)
--shop-id <id...>, --category <id...>, --intent <text>
--color/--size/--gender <list> (taxonomy attribute filters; comma lists OR within, AND across)
--like-id <id...> (similar; product or variant gid), --image ./photo.jpg
(query is optional when --like-id or --image is given)
catalog lookup <ids...> --ships-to <ISO2>, --include-unavailable, --condition
catalog get-product <id> --select Name=Label, --preference Name
What ships with it
4 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.
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.
- yesterday First seen · 216 lines · 58 tokens per session scan A 3f86d1a7ffc3
shop is a skill published in the GitHub repository Shopify/shop-cli (5 stars, last pushed 2mo ago), licensed MIT. It adds 58 tokens to every session and 3,880 once invoked, about $0.0003 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.
Other skills, from other repositories
systematic-debugging
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.
next-cache-components-adoption
Turn on Cache Components in a Next.js app and resolve the blocking routes it surfaces. Use when the user wants to enable, adopt, or migrate to Cache Components, flip the cacheComponents flag, work through a flood of blocking-prerender / instant validation errors, run the cache-components-instant-false codemod, or…
babysit-pr
Babysit a GitHub pull request after creation by continuously polling review comments, CI checks/workflow runs, and mergeability state until the PR is merged/closed or user help is required. Diagnose failures, retry likely flaky failures up to 3 times, auto-fix/push branch-related issues when appropriate, and keep…
imagegen
Generate or edit raster images when the task benefits from AI-created bitmap visuals such as photos, illustrations, textures, sprites, mockups, or transparent-background cutouts. Use when Codex should create a brand-new image, transform an existing image, or derive visual variants from references, and the output…
cpu-profile-analysis
Analyze V8/Chrome CPU profiles (.cpuprofile) and DevTools trace files (Trace-.json). Use when: profiling performance, investigating slow functions, comparing code paths, finding bottlenecks, analyzing timeToRequest, understanding call trees from sampling profiler data, analyzing layout/paint/rendering, investigating…
next-cache-components-optimizer
Drive a Next.js route to instant navigation by setting up an agentic loop, under Cache Components / PPR, on initial load (hard navigation) and client-side navigation (soft navigation). Encode the goal as a failing @next/playwright instant() e2e and work it to green, one verified route at a time; the shipped test then…