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 skills add medusajs/medusa-agent-skills --skill storefront-best-practicesgit clone --depth 1 https://github.com/medusajs/medusa-agent-skillsWrote 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.
[](https://agentmods.dev/skills/medusajs/medusa-agent-skills/storefront-best-practices)<a href="https://agentmods.dev/skills/medusajs/medusa-agent-skills/storefront-best-practices"><img src="https://agentmods.dev/badge/skills/medusajs/medusa-agent-skills/storefront-best-practices/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.
<a href="https://agentmods.dev/skills/medusajs/medusa-agent-skills/storefront-best-practices"><img src="https://agentmods.dev/badge/skills/medusajs/medusa-agent-skills/storefront-best-practices.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- Socket pass
- Snyk pass
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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00117 | $0.05405 |
| Opus 5.5 | $0.00047 | $0.02162 |
| Sonnet 5.5 | $0.00023 | $0.01081 |
| Haiku 4.5 | $0.00012 | $0.00541 |
Grade A, and why
storefront-best-practices 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 12d 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.
- **Product name, visible price with currency and stock status MUST be in the server HTML** - verify with `curl` The source is not reproduced here
No licence file
A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.
What ships with it
28 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.
- reference/agent-friendly.md 24 KB
- reference/components/breadcrumbs.md 3.8 KB
- reference/components/cart-popup.md 7.0 KB
- reference/components/country-selector.md 9.2 KB
- reference/components/footer.md 3.7 KB
- reference/components/hero.md 7.0 KB
- reference/components/megamenu.md 8.6 KB
- reference/components/navbar.md 14 KB
- reference/components/popups.md 7.2 KB
- reference/components/product-card.md 4.6 KB
- reference/components/product-reviews.md 6.3 KB
- reference/components/product-slider.md 5.1 KB
- reference/components/search.md 3.9 KB
- reference/connecting-to-backend.md 13 KB
- reference/design.md 12 KB
- reference/features/promotions.md 9.8 KB
- reference/features/wishlist.md 8.1 KB
- reference/layouts/account.md 12 KB
- reference/layouts/cart.md 10 KB
- reference/layouts/checkout.md 23 KB
- reference/layouts/home-page.md 8.7 KB
- reference/layouts/order-confirmation.md 6.8 KB
- reference/layouts/product-details.md 15 KB
- reference/layouts/product-listing.md 16 KB
- reference/layouts/static-pages.md 9.8 KB
- reference/medusa.md 9.9 KB
- reference/mobile-responsiveness.md 7.0 KB
- reference/seo.md 8.2 KB
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.
- 12d ago Changed · +23 lines · +10 tokens per session 2dd6fcf01ad5
- 25d ago Changed 43294244fa5d
- 1mo ago First seen · 422 lines · 107 tokens per session scan A 191d60837b5b
storefront-best-practices is a skill published in the GitHub repository medusajs/medusa-agent-skills (234 stars, last pushed 6d ago), with no licence file. It adds 117 tokens to every session and 5,405 once invoked, about $0.0005 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 2026-08-30.
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jamstack-storefront
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mppx
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agent-reach-channels
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medusa-development
Extend the open-source Medusa commerce platform with custom services, event subscribers, and API endpoints for unique business requirements.