Gateway Lines Tariff MCP Server

by gatewaylines Your server? Claim it

answering

Gateway Lines Tariff is answering right now. Last checked 7 min ago. It exposes 3 tools.

US import duty, HTS classification and tariff changes from the Gateway Lines tariff engine.

Uptime history 19 days of history

19 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

419 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 2

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 20 October 2026. No other catalogue keeps this.

2 Nov a tool changed the parameters it asks for landed_cost

20 Oct a tool changed the parameters it asks for landed_cost

Nothing serious here today

Today is the operative word: we check Gateway Lines Tariff 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 7 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add tariff --transport http https://mcp.gatewaylines.com

Settings → Connectors → Add custom connector, then paste this address

https://mcp.gatewaylines.com

~/.codex/config.toml

[mcp_servers.tariff]
url = "https://mcp.gatewaylines.com"

.cursor/mcp.json

{
  "mcpServers": {
    "tariff": {
      "url": "https://mcp.gatewaylines.com"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "tariff": {
      "type": "http",
      "url": "https://mcp.gatewaylines.com"
    }
  }
}

Available tools 3

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

classify

classify_hts

Find the US Harmonized Tariff Schedule classification for a product. Returns candidate HTS codes with their official descriptions and base duty rates. Use when the user wants the code itself rather than a cost.

landed

landed_cost

Calculate US import duty and landed cost estimates. Give hts_code when you know it and this returns the calculated base duty and trade actions (Section 301, Section 232, Section 338, AD/CVD and others), estimated duty, fees and import cost. When estimate_status is partial, AD/CVD is undetermined and the amounts are provisional; convey that the estimate is incomplete. Give product instead and it returns candidate HTS codes WITHOUT pricing, because the classification decides the duty and guessing it produces confidently wrong numbers: confirm the right code with the user, then call again with hts_code. The candidate step is not charged.

policy

policy_changes_since

List US trade policy changes Gateway has published since a given date: new tariff actions, rate changes, effective dates and expirations. Use to answer "what changed recently" or "what is coming".

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.gatewaylines.com	streamable-http	answering	320 ms	7 min ago

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Gateway Lines Tariff — questions

Answers built from our own checks of this server.

What can Gateway Lines Tariff do?

It exposes 3 tools, read directly from the server on our last check. Among them: classify_hts, landed_cost, policy_changes_since. 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 Gateway Lines Tariff working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 419 ms. The bar chart above shows every period we have measured.

How do I connect Gateway Lines Tariff?

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

Does Gateway Lines Tariff need an API key?

No. Gateway Lines Tariff completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Gateway Lines Tariff?

It answers our handshake in 419 ms on average, which is faster than 31% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.