opsloft/tariff-resolver

Overview

MCP server for US import duty research that resolves HTS codes, Chapter 99 duties under Section 301 and IEEPA, and calculates MPF/HMF fees. It pulls from official USITC data and outputs landed-cost estimates. Built in TypeScript.

Best for

Best for
Developers building US import costing tools or MCP-based trade workflows

Use cases

• Look up HTS codes and applicable duty rates
• Estimate total landed cost including MPF and HMF fees
• Check Chapter 99 surcharges for Section 301 or IEEPA tariffs

How to use

Install

claude mcp add tariff-resolver -- npx -y tariff-resolver

Tools exposed

• search_hs_candidates
• calculate_tariff_scenario
• watch_tariff_changes
• check_tariff_updates
• dataset_info

Tested with

Claude Desktop

Notes

MCP server for US import duty research that resolves HTS codes, Chapter 99 duties under Section 301 and IEEPA, and calculates MPF/HMF fees. It pulls from official USITC data and outputs landed-cost estimates. Built in TypeScript.

2 stars on GitHub. Last updated 2026-09-07. Licensed MIT.

Use cases

• Look up HTS codes and applicable duty rates
• Estimate total landed cost including MPF and HMF fees
• Check Chapter 99 surcharges for Section 301 or IEEPA tariffs

Pros

• Uses official USITC data
• Covers Chapter 99 duties and fee calculations
• Gives a single MCP endpoint for tariff math

Cons

• Limited to US import duties, no export or non-US tariff data
• Very small project (2 stars), so limited community and maintenance risk
• Requires MCP server setup before use

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.