Getting it into your agent
It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.
git clone --depth 1 https://github.com/zpoint/vibe-sellernpx agentmods add skills/zpoint/vibe-seller/amazon-invoiceWrote 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/zpoint/vibe-seller/amazon-invoice)<a href="https://agentmods.dev/skills/zpoint/vibe-seller/amazon-invoice"><img src="https://agentmods.dev/badge/skills/zpoint/vibe-seller/amazon-invoice/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/zpoint/vibe-seller/amazon-invoice"><img src="https://agentmods.dev/badge/skills/zpoint/vibe-seller/amazon-invoice.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector 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 | $0.00019 | $0.02166 |
| Opus 5 | $0.00010 | $0.01083 |
| Sonnet 5 | $0.00004 | $0.00433 |
| Haiku 4.5 | $0.00002 | $0.00217 |
Grade A, and why
amazon-invoice 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 9d 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 — 177 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Amazon Invoice Generator
PREREQUISITE: Read
../amazon-shared/SKILL.mdfor marketplace TLD map, sign-in / Ziniao / OTP handling, and the hamburger-menu navigation pattern (used to reach Tax Document Library before running this generator).
Generate professional tax invoices for Amazon orders by extracting data from Seller Central and producing PDF invoices via ReportLab.
Prerequisites
-
Python deps are pre-installed — the shared workspace venv already has
reportlab. Just usepython(it's on your PATH). If you get an import error, run:uv pip install -r .claude/skills/amazon-invoice/requirements.txt -
Resolve seller info (company name, VAT/RFC numbers) — optional, try in order:
- Store knowledge — check the store profile directory (shown in your system context, e.g.
stores/<store-slug>/) forseller-info.mdornotes.mdcontaining seller entity name and VAT numbers. - Order detail page — Amazon Seller Central may show your seller/business info on the order page.
- Ask the user — if neither source has the info, ask once. If the user provides it, save it to the store directory's
seller-info.md(e.g.stores/<store-slug>/seller-info.md) so future tasks can find it. - Proceed without — the invoice script handles missing seller fields gracefully (omits the seller section). Do not block invoice generation over missing seller details.
- Store knowledge — check the store profile directory (shown in your system context, e.g.
IMPORTANT: Stay in your current working directory. Do NOT cd into the skill directory or any global path. Use relative paths for scripts and output.
Determining the Country
You always know the country before generating an invoice. Get it from:
- Store metadata — the
platform_countriesfield in your store context tells you which countries this store operates in (e.g.,amazon: US, UK). If the task targets a specific country, usetask_country. - Current Seller Central session — you know which country/marketplace you are browsing because you selected it (Seller Central lets you toggle between countries within the same session).
What ships with it
2 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.
- 9d ago First seen · 177 lines · 19 tokens per session scan A 97d85ae3d89c
amazon-invoice is a skill published in the GitHub repository zpoint/vibe-seller (64 stars, last pushed yesterday), licensed Apache-2.0. It adds 19 tokens to every session and 2,166 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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