Dutyfinch

dev.workers.cybermax-tools.cybermax/dutyfinchVersion 1.1.2

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

Status

Responds173 msNov 14, 2026, 14:28 UTCAnswered our handshake without sign-in.

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We could not refresh it, so this page shows the last copy.

Last checked: Nov 14, 2026, 14:28 UTC
Latency: 173 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registryResponds173 msNov 14, 2026, 14:28 UTC

No sign-in

Claude Code

claude mcp add --transport http dutyfinch 'https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry'

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: dutyfinch
Remote MCP server URL: https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry

Cursor

{
  "mcpServers": {
    "dutyfinch": {
      "url": "https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry"
    }
  }
}

VS Code

code --add-mcp '{"name":"dutyfinch","type":"http","url":"https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry"}'

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Tools

5 tools

Tools of Dutyfinch
	Description		Read-only	Idempotent	Open world
`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.	Status of the 2026 US–China tariff reduction list (pending / notice_published / published) and, with code, whether that HTS code is on it.	No	Yes	Yes	Yes
`estimate_duty`Duty estimate for one HTS code: customs value in USD and origin country in; the HTS general rate applied (ad valorem + specific with quantity), Section 301 added for China, the preferential FTA rate when the origin qualifies, total and effective rate out. Excludes Section 232, IEEPA, AD/CVD and fees.	Duty estimate for one HTS code: customs value in USD and origin country in; the HTS general rate applied (ad valorem + specific with quantity), Section 301 added for China, the preferential FTA rate when the origin qualifies, total and effective rate out. Excludes Section 232, IEEPA, AD/CVD and fees.	No	Yes	Yes	Yes
`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 rate, exclusions, and the 2026 US–China reduction flag.	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 rate, exclusions, and the 2026 US–China reduction flag.	No	Yes	Yes	Yes
`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 summary.	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 summary.	No	Yes	Yes	Yes
`section301_lists`All Section 301 China tariff headings (lists 1, 2, 3, 4A, 4B, 2024 increases, exclusions) with rates, dates and code counts.	All Section 301 China tariff headings (lists 1, 2, 3, 4A, 4B, 2024 increases, exclusions) with rates, dates and code counts.	No	Yes	Yes	Yes

Details

Registry status: Active
Published: Oct 10, 2026
Updated: Oct 10, 2026
Website: https://cybermaxtools.com/store/dutyfinch-api/?s=mcp-registry-dutyfinch⁠ (opens in a new tab)
Repository: https://gitlab.com/CyberMax.tools/agent-tools⁠ (opens in a new tab)
Categories (suggested): CRMSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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