US Small Business Hub
One endpoint for a US small business: what is due, what changed, am I over the line, first hire, vendor, sales tax nexus, funding and late-deposit checks, each dated, sourced and honest about what it could not check
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OpenAPISchedule changes (HTS)2 tools Notices and actions2 tools Weekly brief1 tools
US Tariff Change Watch
Weekly check on whether the HTS revision changed, what moved on the HTS lines a small importer watches, and which new Federal Register tariff notices and presidential trade actions came out
Unify Dynamics LLC
Tools5read-only
Sign-inNoneno account, no key
Data keptNoneprocessed in memory
PriceFreeoptional Pro limits
StatusLiveMCP + REST
Works withMCP · RESTany agent
Try asking
Real questions, and the tools your agent calls to answer them.
Has the HTS moved past 2026HTSRev19?
Tools called
hts_release_changedWhich tariff notices did USTR, CBP and BIS publish since 22 September, and do any name HTS 8516.71.00?
Tools called
fr_tariff_documents_sinceWatch HTS 8516.71.00 and 7210.30.00 and tell me what changed since my last snapshot.
Tools called
watch_headingsList the presidential proclamations and executive orders about trade published since 1 September.
Tools called
presidential_actions_indexRun my weekly tariff brief: last seen release 2026HTSRev19, headings 8516.71.00 and 7210.30.00, notices since 22 September.
Tools called
weekly_tariff_briefwatch_headingsAbout
US Tariff Change Watch tells an importer what changed in US tariff paperwork since last week. It reads two public US government services, both keyless: the online Harmonized Tariff Schedule of the U.S. International Trade Commission (hts.usitc.gov) and the Federal Register API of the Office of the Federal Register. hts_release_changed compares the current HTS release name with the one you saw last time. watch_headings takes your HTS numbers, reads their lines (including Chapter 99 lines that name them) and diffs them against the snapshot returned by your previous run: lines added, removed or changed, with the before and after text of the general and column 2 rates. fr_tariff_documents_since lists Federal Register rules, proposed rules and notices about tariffs from USTR, CBP and BIS (or agencies you choose) and flags those whose title or abstract names one of your HTS numbers. presidential_actions_index lists presidential proclamations, executive orders and other presidential documents about trade, using Federal Register presidential documents (the USTR web page is not read: it is an HTML page with no API). weekly_tariff_brief runs all four and returns the state to pass back next week. Nothing is stored: the last-seen release and the snapshot travel with each call. It reports that something changed, not what duty an import owes: additional duties, antidumping and countervailing duties and classification are outside it. Federal Register keyword search is noisy and cannot search HTS numbers. General information, not customs or legal advice.
Sources: Reference data from official sources (federalregister.gov, hts.usitc.gov); every answer states its source, date and validity period.
Privacy
The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.
Data not collectedNo account, no profile, no stored prompts or results.
What it can do
5 tools, grouped by job. Every one is read-only or compute-only.
- Hts release changedCurrent Harmonized Tariff Schedule release name from the online HTS, and whether it differs from the release you last saw.
- Watch headingsRead the schedule lines the online HTS returns for your HTS numbers (their own lines and Chapter 99 lines that name them) and diff them against…
- Fr tariff documents sinceFederal Register rules, proposed rules and notices about tariffs from USTR, CBP and BIS (or agencies you choose) since a date, newest first, with…
- Presidential actions indexPresidential proclamations, executive orders and other presidential documents whose titles mention trade words (tariff, duties, imports, trade,…
- Weekly tariff briefOne weekly tariff digest: did the HTS release change, what changed on your watched HTS numbers since the last snapshot, which new Federal Register…
Information
PublisherUnify Dynamics LLC
CategoryMoney & business · Travel & transport · Government
LanguagesEnglish
Built forUnited States
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpoint
https://us-tariff-watch.connectorbay.com/mcpREST APIopenapi.json
CountryUnited States
FunctionsTrade & customs, Compliance & risk
LayerDeep connectors
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