commerce-agent-bench: Skill for Claude Code

.agents/skills/product-page-audit/SKILL.md

product-page-audit is a skill for Claude Code, Codex from harukiseller-droid/commerce-agent-bench. It costs 20 tokens per session (297 once invoked), scanned A, original, MIT.

An evidence-based review checklist for online-store product pages, including titles, prices, variants, inventory, images, and product details.

In plain words
What is it for?
Use it to check headings, image descriptions, add-to-cart controls, variant and availability states, mobile markup, and product structured data against verified page or runtime evidence.
Why use it?
It helps find buyer-facing errors while avoiding unsupported claims about products, shipping, returns, prices, or stock.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents).

This is harukiseller-droid/commerce-agent-bench's own configuration. It tells Claude Code and Codex how to work on commerce-agent-bench itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything commerce-agent-bench configures →

Reuse

Borrowing it

Nothing to install: this file belongs to harukiseller-droid/commerce-agent-bench. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/harukiseller-droid/commerce-agent-bench/main/.agents/skills/product-page-audit/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/harukiseller-droid/commerce-agent-bench

Made for: Claude Code, Codex.

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 product-page-audit

README.md
[![agentmods](https://agentmods.dev/badge/skills/harukiseller-droid/commerce-agent-bench/product-page-audit/github.svg)](https://agentmods.dev/skills/harukiseller-droid/commerce-agent-bench/product-page-audit)
Your own site
<a href="https://agentmods.dev/skills/harukiseller-droid/commerce-agent-bench/product-page-audit"><img src="https://agentmods.dev/badge/skills/harukiseller-droid/commerce-agent-bench/product-page-audit/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 product-page-audit

Your own site · 80×15
<a href="https://agentmods.dev/skills/harukiseller-droid/commerce-agent-bench/product-page-audit"><img src="https://agentmods.dev/badge/skills/harukiseller-droid/commerce-agent-bench/product-page-audit.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 20 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 297 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
  • NVIDIA SkillSpector pass 7 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 $0.00020 $0.00297
Opus 5 $0.00010 $0.00148
Sonnet 5 $0.00004 $0.00059
Haiku 4.5 $0.00002 $0.00030

Measured 12d ago against content hash 6700d139c907, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

product-page-audit 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 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.

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.

.agents/skills/product-page-audit/SKILL.md · 41 lines

What it actually says

Product Page Audit

Purpose

Review product-page correctness and buyer-risk regressions using repository and runtime evidence.

When to use

Use when reviewing a product template, product-page implementation, or buyer-facing product detail surface.

Inputs

  • product-page source, template, or fixture;
  • runtime data source if one is available;
  • visible page or test evidence for buyer-facing behavior.

Required checks

  • Identify runtime sources for title, price, variants, inventory, images, and product metadata.
  • Check primary heading, image alt text, add-to-cart control, variant state, price/availability consistency, and mobile-safe markup.
  • Check whether shipping/returns/specifications are verified data or generic hard-coded claims.
  • Check Product structured data against visible/runtime facts.
  • Mark unavailable merchant facts UNKNOWN.

Output contract

Use the finding contract from PROTOCOL.md. Never convert a plausible product detail into a fact.

Failure conditions

  • Missing runtime or verified merchant data means the affected claim is UNKNOWN.
  • Do not certify checkout, inventory, price, shipping, or returns behavior from static markup alone.
  • Do not report a schema value as valid when it is not visible or runtime-backed.

Verification

Run focused tests/evals, inspect the rendered route when available, and identify any unverified browser or platform behavior.

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. 12d ago First seen · 41 lines · 20 tokens per session scan A 6700d139c907

Subscribe to this mod's changes

product-page-audit is a skill published in the GitHub repository harukiseller-droid/commerce-agent-bench (102 stars, last pushed 1mo ago), licensed MIT. It adds 20 tokens to every session and 297 once invoked, about $0.0001 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 2026-08-30.

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