What makes Customs Duty Calculator notable?

1.3K downloads. Trust evidence available

How should Customs Duty Calculator be evaluated before use?

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agentCLAWHUBUnverified

Customs Duty Calculator

Estimate import duties, tariffs, and landed costs for cross-border ecommerce shipments by HS code and destination. Use when an ecommerce seller is pricing a... Skill: Customs Duty Calculator Owner: leooooooow Summary: Estimate import duties, tariffs, and landed costs for cross-border ecommerce shipments by HS code and destination. Use when an ecommerce seller is pricing a... Tags: latest:1.1.0 Version history: v1.1.0 | 2026-05-28T15:32:56.108Z | user v1.1.0 — Major skill upgrade. Expanded SKILL.md with Quick Reference, 7-step workflow, 2 worked examples (US T-shirt to DE co

OpenClaw

View on ClawHub Homepage

Rank

Safety

Downloads

1.3k

Updated

Oct 10, 2026

Version

1.1.0

Source

CLAWHUB

About

What it does, and when to use it.

Capability contract not published. No trust telemetry is available yet. 1.3K downloads reported by the source. Last updated 10/10/2026.

Avoid when

Contract metadata is missing or unavailable for deterministic execution.

Risk flags: missing_or_unavailable_contract, trust_data_unavailable, schema_references_missing

Public facts

Every fact links back to the source it came from.

Vendor: Clawhubvendor · observed Oct 10, 2026
Protocol compatibility: OpenClawcompatibility · observed Oct 10, 2026
Adoption signal: 1.3K downloadsadoption · observed Oct 10, 2026
Latest release: 1.1.0release · observed May 28, 2026
Handshake status: UNKNOWNsecurity

Install and run

Setup complexity: low.

clawhub skill install s17974h9acjg4h7h5djv1hg51d83hcca:customs-duty-calculator

Setup complexity is LOW. This package is likely designed for quick installation with minimal external side-effects.
Final validation: Expose the agent to a mock request payload inside a sandbox and trace the network egress before allowing access to real customer data.

Contract: missing

curl -s "https://www.xpersona.co/api/v1/agents/clawhub-leooooooow-customs-duty-calculator/snapshot"

Documentation

CLAWHUB

32,258 characters of source documentation, loaded on request.

Extracted files

5 files captured from the source.

SKILL.md

---
name: Customs Duty Calculator
description: Estimate import duties, tariffs, and landed costs for cross-border ecommerce shipments by HS code and destination. Use when an ecommerce seller is pricing a product for a new export market, considering DDP vs DDU shipping, or trying to reconcile unexpected duty bills on past shipments.
---

# Customs Duty Calculator

Cross-border ecommerce sellers frequently face unexpected costs when shipping products internationally. Import duties, tariffs, value-added taxes, and various customs surcharges can erode profit margins if not properly estimated before pricing products for foreign markets. This skill helps ecommerce operators estimate the full landed cost of their products by calculating applicable duties and taxes based on Harmonized System (HS) codes, product values, shipping costs, and destination country regulations.

## Quick Reference

| Decision | Strong | Acceptable | Weak |
|---|---|---|---|
| HS code accuracy | 10-digit code validated against destination country tariff schedule with binding ruling where stakes warrant | 6-digit code with documented logic | Guessed from product name |
| Customs valuation | CIF (Cost + Insurance + Freight) where required; FOB elsewhere; reconciled against the country's WTO Valuation Code interpretation | Product cost + estimated freight | Wholesale price only |
| VAT / sales tax | Applied per destination at correct rate; threshold rules respected (EU IOSS, UK £135 rule, US Section 321) | Applied at standard rate without thresholds | Ignored entirely |
| FTA / preferential treatment | Verified origin documented with Certificate of Origin; FTA invoked only when eligible | FTA assumed and noted to verify | Standard MFN rate used everywhere |
| DDP vs DDU | DDP when duties under USD 50 or buyer-experience matters; DDU when duties large and uncertain | DDU with prepay option | No explicit choice; buyer surprised at delivery |
| Surcharges | All of: MPF, HMF (US); brokerage; carrier disbursement fee; consumption tax included | Brokerage included; surcharges noted | Only base duty + VAT |
| Margin model | Landed cost compared against destination retail in local currency net of platform fees, returns reserve, FX margin | Landed cost vs retail | Wholesale cost only |
| Documentation retention | Commercial invoice, packing list, HS code, declared value, customs paperwork retained 5+ years | 1-2 years | None |

## Problems this skill solves

1. A US seller is pricing for the EU and needs to know the all-in landed cost (duty + VAT + brokerage) per unit.
2. A brand is comparing DDP vs DDU for AE and JP and needs the margin impact of each option.
3. A seller got hit with a USD 4,200 unexpected duty bill on a UK shipment and needs to understand whether HS code, valuation, or VAT was the cause.
4. A founder is choosing between Mexico via USMCA preferential rate and an existing carrier with its own Mexico duty estimate, and wants to confirm which is correct.
5. A team is launchin

_meta.json

{
  "ownerId": "kn70fv0ehp50emedet9tx3fekd82pw3b",
  "slug": "customs-duty-calculator",
  "version": "1.1.0",
  "publishedAt": 1779982376108
}

references/de-minimis-table.md

# De Minimis and Threshold Quick Reference

A de minimis is the consignment value below which duty (and sometimes VAT) is waived. These rules change with budget cycles and trade agreements — always verify the current value before relying on any number.

| Country | Duty de minimis | VAT/GST threshold | Notes |
|---|---|---|---|
| United States | USD 800 (Section 321) | n/a (no national VAT) | Tightening enforcement; commercial imports excluded |
| Canada | CAD 20 generally; CAD 40 from US/MX via CUSMA | CAD 40 from US/MX | CUSMA gives a higher threshold |
| United Kingdom | £135 consignment | £135 | Above £135, duty applies; VAT applies at any value (collected from seller via UK VAT registration or at the border) |
| EU (general) | €150 | €0 — VAT due on all imports | IOSS scheme for consignments ≤ €150 streamlines VAT collection |
| Australia | AUD 1,000 | AUD 1,000 (low value imported goods GST applies to all imports for registered sellers) | |
| Japan | JPY 10,000 | JPY 10,000 | |
| Mexico | USD 50 | USD 50 | Higher thresholds with valid USMCA preferential treatment |
| Brazil | USD 50 (express courier; varies) | n/a single number; ICMS + IPI complex | Strict customs; ANVISA applies to many products |
| China | CNY 50 (personal) | n/a | Cross-border ecommerce comprehensive zones have separate rules |
| Switzerland | CHF 5 of duty / CHF 5 of VAT (small consignment rule) | varies | Effectively low |
| Norway | NOK 350 historically removed; VOEC for ≤NOK 3000 | VOEC seller-collects | |
| New Zealand | NZD 1,000 | n/a — GST applies via overseas vendor registration | |
| Singapore | SGD 400 GST relief; from 2023 GST applies to low-value imports | varies | |
| South Korea | USD 150 (USD 200 from US under KORUS) | n/a | |
| India | n/a meaningful (₹100 commercial; ₹5000 personal gift) | GST applies | High formality |
| UAE | AED 1,000 | AED 1,000 | Above triggers full clearance |
| Saudi Arabia | SAR 1,000 | varies | |
| Russia | EUR 200 (subject to change) | varies | Sanctions environment changes regularly |
| South Africa | ZAR 500 | varies | |
| Brazil | USD 50 | varies | Repeated for emphasis — special enforcement |

## Verification sources

- US: CBP / USITC HTSUS
- EU: TARIC database; member-state VAT pages
- UK: HMRC Trade Tariff
- Australia: ABF Tariff
- Other: WCO Member national customs pages

Rates and thresholds can change inside a 12-month window; pull the live source for any number that affects a pricing decision.

references/hs-code-guide.md

# HS Code Guide

The Harmonized System (HS) code is the most consequential single field in a customs entry. Get it wrong and duty, VAT, FTA eligibility, and regulatory compliance all break.

## Structure

- **Digits 1-2:** Chapter (96 chapters, e.g. 61 = knitted apparel)
- **Digits 3-4:** Heading (4-digit international level)
- **Digits 5-6:** Subheading (6-digit international level, the same in every WTO country)
- **Digits 7-10:** Country-specific. US uses HTS (10 digits). EU uses TARIC (10 digits). Different countries can classify the same product at digits 7-10 differently.

Always confirm the destination country's full local code; the 6-digit code is rarely enough for duty purposes.

## How to find a code

1. Start with a 1-line product description in plain language.
2. Open the destination country's tariff schedule (US: HTSUS at hts.usitc.gov; EU: TARIC at ec.europa.eu/taxation_customs; UK: trade-tariff.service.gov.uk; many others).
3. Use the official explanatory notes — descriptions often turn on materials, function, and processing level rather than common name.
4. Cross-check against at least one competitor's published declaration or a known import you've made.
5. If duty is significant or volume is high, file for a binding ruling.

## Binding rulings

- **US:** Customs Rulings Online Search System (CROSS) + CBP eRuling at rulings.cbp.gov.
- **EU:** Binding Tariff Information (BTI) issued by member-state customs and valid EU-wide.
- **UK:** Advance Tariff Ruling (ATaR) via HMRC.

Binding rulings take weeks to months but give legal certainty. Worth filing if duty stakes exceed several thousand dollars per year on a SKU.

## Common pitfalls

- **Material switch ambiguity.** Apparel with 50/50 cotton/polyester can land in different chapters; the dominant material by weight usually controls but rules vary.
- **Sets and kits.** A gift set with multiple items may be classified by the "essential character" item, or by each item separately. Wrong choice can shift duty significantly.
- **Parts vs assembled goods.** A semi-assembled product can fall under a different chapter than the finished good.
- **Use-based classification.** Some codes turn on stated use (e.g., medical vs general) — declared use must be supportable.

## Examples

| Plain description | Likely 6-digit code | Notes |
|---|---|---|
| Cotton T-shirt, knit | 6109.10 | Chapter 61, knitted |
| Cotton T-shirt, woven | 6205.20 | Chapter 62, woven |
| Wireless headphones | 8518.30 | Subject to Section 301 lists from China |
| Yoga mat (rubber/PVC) | 9506.91 or 3918.10 | Depends on material/use; can shift duty |
| Skincare serum | 3304.99 | Cosmetics category |
| Stainless steel water bottle | 7323.93 | Household article of iron/steel |

These are starting points only. Verify against the destination's tariff schedule before relying on any code.

references/incoterm-tradeoffs.md

# DDP vs DDU Tradeoffs

The Incoterm choice changes who pays the duty, when, and what happens if anything goes wrong.

## DDP (Delivered Duty Paid)

Seller is responsible for getting the goods to the buyer's door including all duties and import taxes.

**Pros:**
- Clean buyer experience; no surprise bills.
- Single quoted price; lower checkout abandonment.
- Returns are simpler (the seller is the importer of record).
- Better marketplace performance — many platforms favor or require DDP for prime-style experiences.

**Cons:**
- Seller carries cash flow for duty and VAT upfront.
- Margin model must include true landed cost. Underestimate = direct margin loss.
- VAT registrations may be required in the destination country once volume crosses thresholds (EU OSS / IOSS, UK).
- Refunding duty on returns is complex; carriers offer reclaim services but with fees.
- Rate changes are absorbed by the seller until rebill.

**Use when:** Per-shipment duty is small (<USD 50 typically), buyer experience matters, you sell on marketplaces that expect DDP, or you're building a brand.

## DDU / DAP (Delivered Duty Unpaid / Delivered At Place)

Buyer pays duty and VAT at delivery (collected by the carrier).

**Pros:**
- Cleaner seller P&L; duty is the buyer's problem.
- Lower cash-flow exposure.
- Useful for B2B where the buyer is a registered importer.

**Cons:**
- Surprise bills lead to refusals, returns, and reputational damage.
- Higher abandonment if duty estimate is shown at checkout.
- Carrier brokerage can stack significantly on small parcels.
- Complicates returns; the buyer may abandon when faced with the duty bill.
- Wrecks NPS in consumer markets unfamiliar with cross-border purchases.

**Use when:** Duty is large and uncertain, the buyer is B2B and accustomed to importing, or operating in a market with mature cross-border consumer expectations.

## Hybrid: prepaid DDU

Some carriers (DHL, FedEx, UPS) offer "duty prepay" at checkout — duty is collected from the buyer but paid at the border by the carrier on the seller's account. Cleaner UX than pure DDU; lower cash-flow load than full DDP. Available where supported.

## Decision matrix

| Factor | Lean DDP | Lean DDU |
|---|---|---|
| Per-shipment duty < USD 50 | ✓ | |
| Per-shipment duty > USD 200 | | ✓ |
| Brand-direct consumer | ✓ | |
| B2B buyer | | ✓ |
| Marketplace listing | ✓ | |
| Volatile duty rates | | ✓ |
| Strong cash position | ✓ | |
| Returns volume > 10% | | ✓ |

## Always do

- Quote landed cost transparently in marketing material and PDP.
- Refresh the rate quarterly.
- Reconcile actual customs invoices monthly against quoted rate; investigate variance > 10%.
- Keep documentation for the legal retention period.

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