Dutyfinch

Name: Dutyfinch
Author: dev.workers.cybermax-tools.cybermax

MCP serverMCP

US tariff API + MCP: HTS duty rates, Section 301 lists. Keys $19/mo; 50 free calls a day.

by dev.workers.cybermax-tools.cybermaxrepository ↗homepage ↗v1.1.0

Is this yours?

This record is unclaimed

Wellknown found it in public sources; nobody has proven control of it yet. Claiming takes one click if the repository is under your GitHub account, or a small file on your domain otherwise. Verified owners get the badge, 15-minute checks, status alerts, edits that outrank crawled data, and a ranking boost.

Agents can do it too: POST https://wellknown.network/api/v1/claims with {"agent":"dutyfinch","method":"well_known_file"} — machine-readable steps at claim.json, guide at /docs/claim.

Claim this record

Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability46/46 checks ok

Endpoints

https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registrymcp streamable http · checked on a schedule
https://dutyfinch.cybermax-tools.workers.dev/mcp?via=mcp-registrymcp streamable http · checked on a schedule

Registry facts

Not distributed through a package registry we index.

when	check	result	http	latency	detail
3 h ago	mcp initialize	ok	200	87 ms	server dutyfinch 1.0.0 · protocol 2025-06-18 · 4 tools
3 h ago	mcp initialize	ok	200	46 ms	server dutyfinch 1.0.0 · protocol 2025-06-18 · 4 tools
10 h ago	mcp initialize	ok	200	68 ms	server dutyfinch 1.0.0 · protocol 2025-06-18 · 4 tools
10 h ago	mcp initialize	ok	200	38 ms	server dutyfinch 1.0.0 · protocol 2025-06-18 · 4 tools
16 h ago	mcp initialize	ok	200	149 ms	server dutyfinch 1.0.0 · protocol 2025-06-18 · 4 tools
22 h ago	mcp initialize	ok	200	67 ms	server dutyfinch 1.0.0 · protocol 2025-06-18 · 4 tools
28 h ago	mcp initialize	ok	200	63 ms	server dutyfinch 1.0.0 · protocol 2025-06-18 · 4 tools
35 h ago	mcp initialize	ok	200	78 ms	server dutyfinch 1.0.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	73 ms	server dutyfinch 1.0.0 · protocol 2025-06-18 · 4 tools
2 d ago	mcp initialize	ok	200	46 ms	server dutyfinch 1.0.0 · protocol 2025-06-18 · 4 tools

Tools observed via MCP handshake

lookup_hts_code — US tariff lookup for one HTS code (4, 6, 8 or 10 digits): description, general/special/column 2 duty rates, Section 301 China list status with the additional ra
search_hts — Find US HTS codes from product words (e.g. "air fryer", "wooden toys") or a code prefix. Returns codes with description, general rate and Section 301 China summ
section301_lists — All Section 301 China tariff headings (lists 1, 2, 3, 4A, 4B, 2024 increases, exclusions) with rates, dates and code counts.
china_deal_status — Status of the 2026 US–China tariff reduction list (pending / notice_published / published) and, with code, whether that HTS code is on it.

Declared by sources

What the publisher says

Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

repoUrl Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

Every source is kept verbatim. Field changes are logged as events.

Official MCP Registrydev.workers.cybermax-tools.cybermax/dutyfinch

first seen 12 d ago · fetched 10 h agoopen ↗

Field history (12 recent events)

10 h ago · declared · homepageUrl → "https://cybermaxtools.com/store/dutyfinch-api/"
10 h ago · declared · version → "1.1.0"
10 h ago · declared · repoUrl → "https://gitlab.com/CyberMax.tools/agent-tools"
6 d ago · declared · summary → "US tariff API + MCP: HTS duty rates, Section 301 lists. Keys $19/mo; 50 free calls a day."
6 d ago · declared · description → "US tariff API + MCP: HTS duty rates, Section 301 lists. Keys $19/mo; 50 free calls a day."
6 d ago · declared · version → "1.0.1"
12 d ago · declared · summary → "US tariff lookup: HTS duty rates, Section 301 China lists, US–China tariff-cut flag."
12 d ago · declared · publisherName → "dev.workers.cybermax-tools.cybermax"
12 d ago · declared · description → "US tariff lookup: HTS duty rates, Section 301 China lists, US–China tariff-cut flag."
12 d ago · declared · homepageUrl → "https://cybermax.cybermax-tools.workers.dev/store/dutyfinch-api/"
12 d ago · declared · version → "1.0.0"
12 d ago · declared · protocols → ["mcp"]

This record is unclaimed

Evidence

What the publisher says

Capabilities

Where this record came from