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Amazon Logistics Calculator

作者 mguozhen · GitHub ↗ · v1.0.0 · MIT-0
cross-platform ✓ 安全检测通过
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在 OpenClaw 中安装
/install amazon-logistics-calculator
功能描述
Amazon FBA logistics cost calculator and shipping optimizer. Compare sea freight, air freight, and express courier costs. Calculate total landed cost includi...
使用说明 (SKILL.md)

Amazon FBA Logistics Cost Calculator

Calculate the true landed cost for your FBA shipments. Compare sea, air, and express — pick the right method based on your margin, volume, and urgency.

Commands

logistics calc                  # interactive shipping cost calculator
logistics compare [details]     # compare sea vs air vs express
logistics landed [product]      # full landed cost breakdown
logistics duty [product] [country]  # import duty & VAT calculator
logistics route [origin] [dest] # common shipping route details
logistics timeline              # shipping timeline comparison
logistics forwarder             # freight forwarder selection guide
logistics carton [dimensions]   # carton CBM and chargeable weight
logistics save [shipment]       # save shipment profile

What Data to Provide

  • Product details — dimensions (cm), weight (kg) per unit and per carton
  • Quantity — total units to ship
  • Origin — factory location (city/country)
  • Destination — Amazon FBA warehouse country/region
  • Timeline — how urgently do you need stock?
  • Product value — for duty calculation

Shipping Method Comparison

Sea Freight (FCL / LCL)

Type When to Use Transit Time Cost Estimate
FCL 20ft >15 CBM, frequent shipper 25–35 days $1,500–$3,000/container
FCL 40ft >28 CBM 25–35 days $2,500–$5,000/container
LCL \x3C15 CBM, small shipments 35–45 days $80–$150/CBM

Best for: Large shipments, low-margin products, planned inventory restocks Avoid when: Urgent, small shipment, or product is high value/low volume

Air Freight

Service Transit Time Cost Estimate
Standard Air 7–14 days $4–$8/kg
Economy Air 14–21 days $2.5–$5/kg

Chargeable weight = max(actual weight, volumetric weight) Volumetric weight = L × W × H (cm) / 6,000

Best for: New product launches, seasonal restocks, high-value low-weight products Avoid when: Heavy/bulky products, cost is main concern

Express Courier (DHL/FedEx/UPS)

Service Transit Time Cost Estimate
DHL Express 3–5 days $8–$15/kg
FedEx International 3–5 days $8–$15/kg
UPS Worldwide 3–5 days $8–$15/kg

Best for: Urgent stock-outs, samples, \x3C50kg shipments Avoid when: >100kg (air freight becomes cheaper)

Landed Cost Formula

Product Cost (COGS)             = Unit cost × Quantity
+ Inbound Freight               = Shipping method cost
+ Customs Duty                  = Product value × Duty rate %
+ VAT / Import Tax              = (Product + Freight + Duty) × VAT rate %
+ Customs Broker Fee            = $150–$300 flat
+ Port/Handling Charges         = $50–$200
+ Inland Delivery (to FBA)      = $0.50–$2.00/carton
+ Amazon FBA Inbound Placement  = $0.27–$1.58/unit (2024 fee)
─────────────────────────────────────────────────────
Total Landed Cost               = Sum of all above
Landed Cost Per Unit            = Total ÷ Quantity

Import Duty Rates (US HTS Common Categories)

Product Category HS Code Range US Duty Rate
Electronics 8471–8529 0–3.7%
Clothing/Apparel 6101–6217 12–32%
Footwear 6401–6403 20–37.5%
Kitchen tools 7323–7326 0–3.9%
Toys/Games 9501–9508 0%
Sports equipment 9506 4–5.1%
Furniture 9401–9403 0–7%
Yoga mats/Fitness 3926/9506 4–5.3%

Note: Section 301 China tariffs add 7.5–25% on many Chinese-origin products. Always verify current rates at USITC.gov.

Shipping Timeline Planner

Work backwards from your target in-stock date:

Target in-stock date:           [Date]
- FBA receiving buffer:         -7 days
- Port to FBA transit:          -3 days
- Customs clearance:            -5 days (sea) / -2 days (air)
- Transit time:                 -30 days (sea) / -10 days (air)
- Export customs/loading:       -5 days
- Production lead time:         -[X] days
────────────────────────────────────────
Order placement date:           [Calculated]

Decision Framework: Which Method to Choose?

Scenario Recommended Method
First shipment, \x3C200kg Air freight or Express
Regular restock, >500kg, >30 days lead time Sea LCL
Large seller, >15 CBM per shipment Sea FCL
Running out of stock, \x3C2 weeks Express (DHL/FedEx)
High-value, low-weight product Air freight
Low-margin, heavy product Sea freight only
Seasonal launch (e.g., Christmas stock) Sea: ship by Oct 1

Carton Optimization Tips

  • Keep carton weight under 23kg (FBA requirement, safety)
  • Standard carton size for FBA: 60×40×40cm (1 CBM = 25 cartons)
  • Maximize carton fill to minimize LCL costs
  • Match master carton quantity to FBA box limits (no more than 150 units/box for standard)

Freight Forwarder Selection Criteria

Factor What to Look For
Amazon FBA experience Must know FBA label requirements
US customs broker In-house or established partner
Tracking system Real-time shipment visibility
Communication English-speaking, responsive
Price Get 3+ quotes, compare apples-to-apples
Insurance Cargo insurance included or available

Recommended: Always get quotes from at least 3 forwarders

Output Format

  1. Cost Comparison Table — sea vs. air vs. express for your shipment
  2. Recommended Method — best option with reasoning
  3. Full Landed Cost Breakdown — every line item to final unit cost
  4. Timeline — ship-by date based on your target in-stock date
  5. Red Flags — duty risks, seasonal surcharges, FBA restrictions
安全使用建议
This skill appears to be what it says: an instruction-only FBA logistics calculator. Before installing, consider: 1) The skill permits use of Bash — if you allow autonomous invocation, the agent could run shell commands (benign for calculations but potentially sensitive if misused). Limit agent privileges or run it in an isolated environment if you’re cautious. 2) The 'save' command is ambiguous — ask or inspect where shipment profiles are stored and whether they contain any sensitive data. 3) The skill does not request any credentials, so don’t provide cloud or account secrets to it. If you need persistent storage or integrations (e.g., saving to S3, Google Drive), prefer explicitly declared, audited integrations rather than implicit file writes.
能力评估
Purpose & Capability
The name/description (FBA logistics cost calculator and shipping optimizer) align with the SKILL.md content: formulas, timelines, shipping method guidance, and interactive commands. No unrelated credentials, binaries, or config paths are requested. Minor mismatch: commands like 'logistics save [shipment]' imply persistence/storage but the skill declares no storage or config path, so it's unclear where saved profiles go.
Instruction Scope
SKILL.md stays inside the logistics domain: it asks for product/origin/destination details and provides formulas and decision guidance. It does not instruct reading unrelated files or exfiltrating data. One operational ambiguity: allowed-tools: Bash is permitted, which could enable arbitrary shell execution if the agent uses it; the instructions themselves do not require reading system files or external secrets.
Install Mechanism
No install spec and no code files (instruction-only). This minimizes on-disk installation risk.
Credentials
The skill requires no environment variables, credentials, or config paths — proportionate for a calculator/guide. It does reference external resources (USITC.gov) for verification, which is appropriate and not demanding of any secrets.
Persistence & Privilege
always:false and default invocation settings are appropriate. The only concern is the conceptual 'save' command without a declared storage location — in practice an agent might write files or attempt to persist data using the Bash tool; consider where such data would be stored and who can access it.
如何使用
  1. 确保已安装 OpenClaw(本地或 Docker 部署)
  2. 在对话框中输入安装命令:/install amazon-logistics-calculator
  3. 安装完成后,直接呼叫该 Skill 的名称或使用 /amazon-logistics-calculator 触发
  4. 根据 Skill 的参数说明提供必要输入,即可获得结构化输出
版本历史
v1.0.0
- Initial release of Amazon FBA logistics cost calculator. - Allows comparison of sea freight, air freight, and express courier shipping costs. - Calculates total landed cost, including duties, VAT, customs fees, and all FBA-related charges. - Provides breakdowns for different shipping scenarios and product types. - Guides users in selecting optimal shipping methods and freight forwarders. - Includes commands for cost comparison, timeline planning, carton optimization, and duty calculation.
元数据
Slug amazon-logistics-calculator
版本 1.0.0
许可证 MIT-0
累计安装 1
当前安装数 1
历史版本数 1
常见问题

Amazon Logistics Calculator 是什么?

Amazon FBA logistics cost calculator and shipping optimizer. Compare sea freight, air freight, and express courier costs. Calculate total landed cost includi... 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件,目前累计下载 215 次。

如何安装 Amazon Logistics Calculator?

在 OpenClaw 或 Claude Code 对话框中运行命令「/install amazon-logistics-calculator」即可一键安装,无需额外配置。

Amazon Logistics Calculator 是免费的吗?

是的,Amazon Logistics Calculator 完全免费,采用 MIT-0 许可证,可自由下载、安装和使用。

Amazon Logistics Calculator 支持哪些平台?

Amazon Logistics Calculator 跨平台运行,可在任意部署了 OpenClaw / Claude Code 的环境中使用(cross-platform)。

谁开发了 Amazon Logistics Calculator?

由 mguozhen(@mguozhen)开发并维护,当前版本 v1.0.0。

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