Dutyfinch

US tariff lookup: HTS duty rates, Section 301 China lists, US–China tariff-cut flag.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
70%
Naming quality
85%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~450Tokens (tool definitions)
~269 BTypical response size
Minimal attention impact (0.35% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "dutyfinch": {
      "url": "https://dutyfinch.cybermax-tools.workers.dev/mcp?via=mcp-registry"
    }
  }
}

Remote endpoints

https://dutyfinch.cybermax-tools.workers.dev/mcp?via=mcp-registrystreamable-http

What it can do

Tool inventory

Tools (4)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢lookup_hts_code(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.

Input Schema

{
  "type": "object",
  "properties": {
    "code": {
      "type": "string",
      "description": "HTS code, e.g. 8516.60.40 or 9503000013"
    }
  },
  "required": [
    "code"
  ]
}
🟢search_hts(q, limit)

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.

Input Schema

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string"
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 25,
      "default": 10
    }
  },
  "required": [
    "q"
  ]
}
🟢section301_lists

All Section 301 China tariff headings (lists 1, 2, 3, 4A, 4B, 2024 increases, exclusions) with rates, dates and code counts.

Input Schema

{
  "type": "object",
  "properties": {}
}
🟢china_deal_status(code)

Status of the 2026 US–China tariff reduction list (pending / notice_published / published) and, with code, whether that HTS code is on it.

Input Schema

{
  "type": "object",
  "properties": {
    "code": {
      "type": "string"
    }
  }
}

Community

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Evidence

Recent observations

verifiedversion not recorded4 tools