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 linkfox-ai/linkfox-skills --skill linkfox-amazon-store-listingsgit clone --depth 1 https://github.com/linkfox-ai/linkfox-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/linkfox-ai/linkfox-skills/linkfox-amazon-store-listings)<a href="https://agentmods.dev/skills/linkfox-ai/linkfox-skills/linkfox-amazon-store-listings"><img src="https://agentmods.dev/badge/skills/linkfox-ai/linkfox-skills/linkfox-amazon-store-listings/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/linkfox-ai/linkfox-skills/linkfox-amazon-store-listings"><img src="https://agentmods.dev/badge/skills/linkfox-ai/linkfox-skills/linkfox-amazon-store-listings.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector warn
SkillSpector: 1 finding, up to high
These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →
- high System Prompt Leakage · line 200 Skill contains instructions that could directly expose system prompts, internal rules, or hidden instructions to users or external parties.Fix: Remove any instructions that reveal, print, or output system prompts or internal rules. System instructions should never be exposed to end users.
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 | $0.00144 | $0.03765 |
| Opus 5 | $0.00072 | $0.01883 |
| Sonnet 5 | $0.00029 | $0.00753 |
| Haiku 4.5 | $0.00014 | $0.00377 |
Grade A, and why
linkfox-amazon-store-listings 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 11d 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.
How it starts
The opening of the file, as written. The whole thing — 226 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Amazon 店铺 Listings 与相关 API
本 skill 与 linkfox-amazon-store-auth、linkfox-amazon-store-report 同属 Amazon Store 系列：依赖 linkfox-amazon-store-auth 选店（sellerId+region）；直接 POST /spApi/developerProxy 传入 sellerId+region，由服务端解析 token（勿传 amzAccessToken，除非兼容旧调用）。转发上游 GET、PATCH、PUT 或 DELETE。
| 操作 | 官方参考 |
|---|---|
| 单条刊登 | getListingsItem |
| 检索列表 | searchListingsItems |
| 部分更新刊登 | patchListingsItem |
| 创建 / 全量更新刊登 | putListingsItem |
| 删除刊登 | deleteListingsItem |
| 刊登限制（ASIN） | getListingsRestrictions |
| 搜索 product type | searchDefinitionsProductTypes |
| 获取 product type 定义 | getDefinitionsProductType |
调用方式
- API 端点：
POST /spApi/developerProxy（不同操作通过请求体区分；完整参数/响应/错误码见references/api.md） - Python 脚本：
python scripts/<脚本名>.py '<JSON 参数>' [--inline]（可用脚本见上文脚本一览） - 成本约束：本工具会消耗积分；失败/空结果不得自动换关键词、翻页或连续试探；需要继续检索时先向用户说明会产生额外消耗。
输出策略（脚本默认行为）：
- 始终将完整响应写入
<cwd>/linkfox/<YYYY-MM-DD>/<session>/data/<skill-name>-<timestamp>.json（<cwd>为脚本执行时的工作目录，在 Claude Code 里即当前项目目录；<session>取自环境变量SESSION_ID，按用户任务自动聚合；禁止写入 /tmp，当前目录不可写则报错） - 响应体 ≤ 8 KB：落盘后把完整 JSON 打印到 stdout
- 响应体 > 8 KB：落盘后 stdout 只输出摘要（顶层字段、常见计数如
total/costToken、最大列表字段的长度 + 前 3 条样本） - 加
--inline强制全量打印到 stdout（同样落盘）
读数据建议：先看摘要判断是否足够；需要具体字段时优先用 jq或ConvertFrom-Json或ConvertFrom-Json 从保存的 json 文件按需抽取，避免整份 JSON 进入上下文。
解决认证和积分问题
发生以下异常情况时，采用 references/onboarding.md 引导解决问题：
What ships with it
13 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.
- references/api.md 31 KB
- references/onboarding.md 2.0 KB
- scripts/_spapi_listings_common.py 6.4 KB runs code
- scripts/check_auth_dependency.py 10 KB runs code
- scripts/delete_listings_item.py 7.1 KB runs code
- scripts/get_definitions_product_type.py 8.1 KB runs code
- scripts/get_listings_item.py 8.0 KB runs code
- scripts/get_listings_restrictions.py 7.1 KB runs code
- scripts/onboarding.py 24 KB runs code
- scripts/patch_listings_item.py 8.9 KB runs code
- scripts/put_listings_item.py 8.8 KB runs code
- scripts/search_definitions_product_types.py 8.0 KB runs code
- scripts/search_listings_items.py 12 KB runs code
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.
- 11d ago First seen · 226 lines · 144 tokens per session scan A 12860e65341e
linkfox-amazon-store-listings is a skill published in the GitHub repository linkfox-ai/linkfox-skills (101 stars, last pushed 21d ago), licensed MIT. It adds 144 tokens to every session and 3,765 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 2026-08-30.
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