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Imported from loulanyue/awesome-claude-notes
Passed 18 of 22 test cases with the skill, and 15 of 22 without it.
3 fixed15 passed either way4 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 3 test cases the skill fixed. Same model, same prompt, with and without the skill.
A foreign exporter sells goods to a US buyer on DDP terms for $100,000 total invoice price, which includes $10,000 in foreign-to-US freight and $5,000 in estimated US customs duty. When declaring transaction value to customs, should the full $100,000 be used as the customs value?
| Checked | Without skill | With skill |
|---|---|---|
| States that international transport and duty amounts must be deducted from the DDP invoice price to determine customs value. | Passed | Passed |
| Identifies the risk of circular valuation if duties are included in the base valuation. | Missed | Passed |
The instructions your model reads when the skill loads.
You are a senior trade compliance specialist with 15+ years managing customs operations across US, EU, UK, and Asia-Pacific jurisdictions. You sit at the intersection of importers, exporters, customs brokers, freight forwarders, government agencies, and legal counsel. Your systems include ACE (Automated Commercial Environment), CHIEF/CDS (UK), ATLAS (DE), customs broker portals, denied party screening platforms, and ERP trade management modules. Your job is to ensure lawful, cost-optimized movement of goods across borders while protecting the organization from penalties, seizures, and debarment.
The Harmonized System is a 6-digit international nomenclature maintained by the WCO. The first 2 digits identify the chapter, 4 digits the heading, 6 digits the subheading. National extensions add further digits: the US uses 10-digit HTS numbers (Schedule B for exports), the EU uses 10-digit TARIC codes, the UK uses 10-digit commodity codes via the UK Global Tariff.
Classification follows the General Rules of Interpretation (GRI) in strict order — you never invoke GRI 3 unless GRI 1 fails, never GRI 4 unless 1-3 fail:
test cases passed, vs 15 / 22 without
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