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-external-fulfillmentgit 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-external-fulfillment)<a href="https://agentmods.dev/skills/linkfox-ai/linkfox-skills/linkfox-amazon-store-external-fulfillment"><img src="https://agentmods.dev/badge/skills/linkfox-ai/linkfox-skills/linkfox-amazon-store-external-fulfillment/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-external-fulfillment"><img src="https://agentmods.dev/badge/skills/linkfox-ai/linkfox-skills/linkfox-amazon-store-external-fulfillment.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 114 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 | $0.00202 | $0.02539 |
| Opus 5 | $0.00101 | $0.01269 |
| Sonnet 5 | $0.00040 | $0.00508 |
| Haiku 4.5 | $0.00020 | $0.00254 |
Grade A, and why
linkfox-amazon-store-external-fulfillment 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.
How it starts
The opening of the file, as written. The whole thing — 140 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Amazon 店铺 External Fulfillment
本 skill 与 linkfox-amazon-store-auth 等同属 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 / POST / PUT / PATCH。
适用渠道：Seller Flex / FBA Onsite、Multi Seller Flex、Easy Ship、Self Ship、MFN Self Delivery、Amazon Pharmacy 等（以商家 allowlist 与角色为准）。
调用方式
- API 端点：
POST /spApi/developerProxy（完整参数/响应见references/api.md） - Python 脚本：
python scripts/<脚本名>.py '<JSON 参数>' [--inline] - 成本约束：本工具会消耗积分；失败/空结果不得自动翻页或连续试探；需要继续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/linkfox-amazon-store-external-fulfillment-<timestamp>.json - 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
- 加
--inline强制全量打印（同样落盘）
读数据建议：先看摘要；需要具体字段时用 jq / ConvertFrom-Json 从落盘文件抽取。
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：
异常情况
- 未配置API Key：环境变量未配置
LINKFOX_AGENT_API_KEY，也未配置LINKFOXAGENT_API_KEY。 - 响应401或402状态码
- 响应提示积分或余额不足：消息含"积分余额不足/计费不足/余额不足/quota exceeded/insufficient balance/套餐到期/需充值/请充值"，或类似含义的内容。
官方参考索引
| 模块 | 能力 | 文档 |
|---|---|---|
| Inventory | batchInventory | batchInventory |
| Shipping | getShipments | getShipments |
| Shipping | getShipment | getShipment |
| Shipping | processShipment | processShipment |
| Shipping | createPackages | createPackages |
| Shipping | updatePackage | updatePackage |
| Shipping | updatePackageStatus | updatePackageStatus |
| Shipping | retrieveShippingOptions | retrieveShippingOptions |
| Shipping | generateInvoice | generateInvoice |
| Shipping | retrieveInvoice | retrieveInvoice |
| Shipping | generateShipLabels | generateShipLabels |
| Returns | listReturns | listReturns |
| Returns | getReturn | getReturn |
What ships with it
18 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 6.0 KB
- references/onboarding.md 2.0 KB
- scripts/_spapi_ef_common.py 12 KB runs code
- scripts/check_auth_dependency.py 5.9 KB runs code
- scripts/create_packages.py 1.9 KB runs code
- scripts/generate_invoice.py 1.3 KB runs code
- scripts/generate_ship_labels.py 2.7 KB runs code
- scripts/get_return.py 1.2 KB runs code
- scripts/get_shipment.py 1.2 KB runs code
- scripts/get_shipments.py 1.9 KB runs code
- scripts/list_returns.py 2.0 KB runs code
- scripts/onboarding.py 24 KB runs code
- scripts/post_batch_inventory.py 3.8 KB runs code
- scripts/process_shipment.py 2.4 KB runs code
- scripts/retrieve_invoice.py 1.3 KB runs code
- scripts/retrieve_shipping_options.py 1.5 KB runs code
- scripts/update_package_status.py 2.2 KB runs code
- scripts/update_package.py 1.7 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.
- 12d ago First seen · 140 lines · 202 tokens per session scan A 9cb4349990dc
linkfox-amazon-store-external-fulfillment is a skill published in the GitHub repository linkfox-ai/linkfox-skills (101 stars, last pushed 22d ago), licensed MIT. It adds 202 tokens to every session and 2,539 once invoked, about $0.0010 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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