# Tariffs API

> Use this tool when you need to access accurate and up-to-date US duties and tariffs data, or to calculate duties for international trade. It solves problems related to trade compliance, duty calculations, and product classification, providing real-time data through a hosted API with various tools for resolving tariffs, searching products, and retrieving trade agreement data. The API accepts product descriptions, HTS codes, or other relevant inputs and returns detailed tariff information, rate breakdowns, and confidence scores.

Canonical page: https://skillsregistry.net/skills/tariffsapi  
JSON: https://api.skillsregistry.net/v1/skills/tariffsapi

## Description

Hosted MCP server providing real-time access to US duties and tariffs data from official government sources. Exposes five tools: resolve_tariff for complete duty calculations including Section 301, 232, and IEEPA measures; batch_resolve_tariffs for processing up to 200 items in a single call; search_products for finding HTS codes by description; get_by_hts for detailed product and tariff information; and list_agreements for trade agreement reference data. Returns transparent rate breakdowns with Chapter 99 resolution support, confidence scoring, and match type classification.

## Trust

- **Trust score (0–1):** 0.50
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** search
- **Updated:** 2026-04-25

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/tariffsapi)

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "tariffsapi"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/tariffsapi` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/tariffsapi/pull`

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