Dutyfinch

dev.workers.cybermax-tools.cybermaxPublished by cybermax.cybermax-tools.workers.devv1.1.2Updated Oct 24, 2026

US tariff API + MCP: HTS duty rates, Section 301 lists. Keys $19/mo; 50 free calls a day.

VerifiedStreamable HTTPWeb executableFinanceBusiness & Commerce

Overview

AI-generated overview

Remote MCP endpoint for US tariff data: HTS duty rates and Section 301 lists, usable by an assistant with an optional paid API key.

What you can do
  • Look up US tariff information: HTS duty rates and Section 301 lists.
  • No individual tools are listed in the manifest, so the exact operations are not documented here.
  • Access is metered: a free daily quota applies, with a paid plan key for higher use.
When to use it
Useful when an assistant needs US import duty rates or Section 301 tariff list details while answering trade, sourcing or pricing questions, and a hosted endpoint is preferable to local setup.
Requirements
A remote streamable HTTP endpoint; nothing to install locally. No account is required for the free daily quota. A paid-plan key is supplied through the x-api-key header for higher usage.
Before you install
The paid plan costs $19 per month, so adding a key can incur recurring charges. The x-api-key header carries a secret and should be kept out of shared logs. Tariff data is third-party and should be verified before relying on it for compliance or pricing decisions.

Installation

In SourceWeft

  1. Open Dutyfinch in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/dev.workers.cybermax-tools.cybermax%2Fdutyfinch/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config.

{
  "mcpServers": {
    "dutyfinch": {
      "type": "http",
      "url": "https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registry"
    }
  }
}

Tools

0
SourceWeft has not read this server's tools yet.

Version history

5
  1. v1.1.2LatestOct 10, 2026
  2. v1.1.1Oct 10, 2026
  3. v1.1.0Oct 8, 2026
  4. v1.0.1Oct 1, 2026
  5. v1.0.0Sep 27, 2026

Score

60% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 daysRequired25 pts
  • Auth declaredRequired10 pts
  • Tools listedRequired15 pts

    Answer tools/list without a credential, or ship a package that starts in a sandbox without one.

  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts

    Declare a GitHub repository with a README, or serve resource_documentation in the OAuth protected-resource metadata.

  • License10 pts

    Declare a license in the repository or the registry entry.