Skip to the content
Agent Tools

HS Code Finder and US or UK Import Duty Rate Lookup

The Tariff and HS Code Duty Finder answers four short questions about importing goods into the United States or the United Kingdom, from the official tariff schedules. Last checked 2026-10-24.

Connection
Streamable HTTP
API key
None needed
Rate limit
60 calls a minute
Protocol
MCP 2024-11-05

What is the US import duty on lithium-ion batteries?

3.4% under the general rate for HTS 8507.60.00 (lithium-ion batteries), and free for goods that qualify for a trade program. Extra chapter 99 duties, for example under Section 232 or Section 301, are not in that figure and can be much higher.

What the live server returned on 2026-10-24
HTS code8507.60.00 (commodity)
DescriptionLithium-ion batteries, under: Electric storage batteries, including separators therefor, whether or not rectangular (including square); parts thereof
General rate3.4%
Special rateFree (A, AU, B, BH, C, CL, CO, D, E, IL, JO, KR, MA, OM, P, PA, PE, S, SG)
Column 2 rate40%
SourceHarmonized Tariff Schedule of the United States (hts.usitc.gov), published by the US International Trade Commission.

The call: get_duty_rate with {"code":"8507.60.00","country":"US"} on https://tariffs.openkrill.app/mcp, run on 2026-10-24 at 07:03 UTC, HTTP 200. The answer above is read from that reply; a later call can return newer data.

Frequently asked questions

HTS code for lithium-ion batteries?

find_tariff_codes returns candidate codes from the official US or UK schedule for a product you describe, each with its description, the headings above it and whether goods are declared under it.

The codes are candidates, not a binding classification: the right one depends on what the product is, what it is made of and how it is used. Confirm with customs or a licensed broker before you declare goods. Tool: find_tariff_codes on https://tariffs.openkrill.app/mcp.

US import duty for an HTS code?

get_duty_rate returns the general, special and column 2 rates for a US code, from the Harmonized Tariff Schedule of the United States.

Additional chapter 99 duties, such as Section 232 or Section 301 duties, are not included and can be much higher. Tool: get_duty_rate on https://tariffs.openkrill.app/mcp.

UK import duty and VAT on a commodity code from Vietnam?

get_duty_rate returns the UK third-country duty, the VAT rates, and, when you name the origin country, its preferential rate and any additional duty.

Pass the code with 4 to 10 digits, country GB and originCountry VN. Quotas and trade remedies are not included. Tool: get_duty_rate on https://tariffs.openkrill.app/mcp.

What is under heading 6914 in the UK tariff?

get_duty_rate returns the lines beneath a code that is only a heading, so you can pick the line goods are declared under.

It does not estimate landed cost, excise or broker fees, and it is not legal advice. Tool: get_duty_rate on https://tariffs.openkrill.app/mcp.

Run it yourself

The answer at the top of this page comes from a real call on 2026-10-24. Call the tool on the server for current data. The server is Tariff & HS Code Duty Finder at https://tariffs.openkrill.app/mcp, with no key. Install steps: ChatGPT, Claude, Cursor, VS Code, Pi. The full tool list is in the install guides.

Source: the Tariff & HS Code Duty Finder plugin listing in this repository and a live tools/call on 2026-10-24. Last checked 2026-10-24. These answers are reviewed again every 1 to 3 months.