Dutyfinch Tariff Lookup MCP Server

by workers-cybermax-tools-cybermax Your server? Claim it

answering

Dutyfinch Tariff Lookup is answering right now. Last checked 13 min ago. It exposes 2 tools.

US import duty and HTS codes from the official USITC schedule, plus Section 301 China status. Free.

Uptime history 45 hours of history

45 hours agonow

100.0%

Uptime 24h

166 of 166 checks

Tools

read from the server

72 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Dutyfinch Tariff Lookup every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 13 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

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

~/Library/Application Support/Claude/claude_desktop_config.json

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

~/.codex/config.toml

[mcp_servers.dutyfinch-chatgpt]
url = "https://gpt-dutyfinch.cybermaxtools.com/mcp?via=mcp-registry"

.cursor/mcp.json

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

.vscode/mcp.json

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

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Available tools 2

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

hts

search_hts

Use this when the user describes a product and wants its US HTS code, tariff classification or import duty ("HTS code for…", "tariff on … from China", "import duty for …"). Searches the official US Harmonized Tariff Schedule by keywords and returns the best matching codes with rates and Section 301 China status. Then use lookup_hts for full detail on one code.

lookup

lookup_hts

Use this when the user gives an HTS / HS tariff code (4, 6, 8 or 10 digits, e.g. 8516.60.40 or 9503000071) and wants the US duty rate, Section 301 China tariff status, units or the official description.

Endpoints

URL	Transport	State	Latency	Checked
https://gpt-dutyfinch.cybermaxtools.com/mcp?via=mcp-registry	streamable-http	answering	137 ms	13 min ago
https://chatgpt-apps.cybermax-tools.workers.dev/dutyfinch/mcp?via=mcp-registry	streamable-http	answering	58 ms	13 min ago

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Dutyfinch Tariff Lookup — questions

Answers built from our own checks of this server.

What can Dutyfinch Tariff Lookup do?

It exposes 2 tools, read directly from the server on our last check. Among them: lookup_hts, search_hts. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Dutyfinch Tariff Lookup working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 166 of 166 checks got a reply (100.0%), average response time 72 ms. The bar chart above shows every period we have measured.

How do I connect Dutyfinch Tariff Lookup?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Dutyfinch Tariff Lookup need an API key?

No. Dutyfinch Tariff Lookup completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Dutyfinch Tariff Lookup?

It answers our handshake in 72 ms on average, which is faster than 91% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.