Dutyfinch

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

• Connection: Runs in the cloud
• Transport: Streamable HTTP
• Category: Other
• You need to fill in: x-api-key

Install

Pick the AI app you use, then copy the settings.

You need

• Runs in the cloudNothing to install; it connects over the internet

Which app do you use?

claude mcp add --transport http dutyfinch 'https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry' --header 'x-api-key: your-value'

{
  "mcpServers": {
    "dutyfinch": {
      "url": "https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry",
      "headers": {
        "x-api-key": "your-value"
      }
    }
  }
}

{
  "servers": {
    "dutyfinch": {
      "type": "http",
      "url": "https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry",
      "headers": {
        "x-api-key": "your-value"
      }
    }
  }
}

Your choice stays on this device in a cookie; no account needed.

Values you fill in

• x-api-key secret HTTP header
  Optional paid-plan key from the CyberMax Store; leave out for the free daily quota.

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Tool names and descriptions exactly as the server reported them on Nov 8, 2026. The maker wrote them, not us; we show them as plain text.

• 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.

• 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.

• 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, IE

• 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.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 8, 2026

• ! Caution

  Maker matches the repo

  The registry lists no source repo, so we cannot match the publisher (cybermax.cybermax-tools.workers.dev) to the code

• … Not checked yet

  Still maintained

  We have not read this repo from GitHub yet

• … Not checked yet

  Has a licence

  We have not read this repo from GitHub yet

• ✓ Pass

  Endpoint responds

  Responded in 61 ms (HTTP 200)

• – Not applicable

  Sign-in with OAuth

  No sign-in needed

• ✓ Pass

  No hidden instructions in tool descriptions

  Read 5 tool descriptions and found no hidden instructions to the AI

Compared with others in Otheri

• More stars than 0% of the other 18600 servers in this category
• Published to the registry more recently than 61% of the other 18600 servers in this category
• Basic checks equal to or better than 36% of the other 18600 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:↓ Downloads per weeki★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

README from the maker

No README found in the repo