Tariff & HS Code Duty Finder MCP MCP server

An MCP server that allows AI agents to find candidate customs tariff codes for products and retrieve import duty information from the UK Trade Tariff and US Harmonized Tariff Schedule. It provides data on tariff classifications and associated duties, serving as a reference tool for trade compliance inquiries.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by OpenKrill

MCP endpoint (Streamable HTTP)

https://tariffs.openkrill.app/mcp

Vendor documentation

What you can do with it

Find candidate customs tariff codes for a product
Read the import duty on a specific tariff code
Lookup UK Trade Tariff information
Lookup US Harmonized Tariff Schedule data

Tools advertised by the last live check:

find_tariff_codes
get_duty_rate
submit_feedback
get_feedback_reply
index_tools

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http tariff-hs-code-duty-finder-mcp https://tariffs.openkrill.app/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add tariff-hs-code-duty-finder-mcp --url https://tariffs.openkrill.app/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable tariff-hs-code-duty-finder-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "tariff-hs-code-duty-finder-mcp": {
      "url": "https://tariffs.openkrill.app/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "tariff-hs-code-duty-finder-mcp": {
      "type": "streamableHttp",
      "url": "https://tariffs.openkrill.app/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start tariff-hs-code-duty-finder-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "tariff-hs-code-duty-finder-mcp": {
      "type": "http",
      "url": "https://tariffs.openkrill.app/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http tariff-hs-code-duty-finder-mcp https://tariffs.openkrill.app/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "tariff-hs-code-duty-finder-mcp": {
      "url": "https://tariffs.openkrill.app/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "tariff-hs-code-duty-finder-mcp": {
      "serverUrl": "https://tariffs.openkrill.app/mcp"
    }
  }
}

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