Dutyfinch for Claude Code
dev.workers.cybermax-tools.cybermax/dutyfinch
US tariff API + MCP: HTS duty rates, Section 301 lists. Keys $19/mo; 50 free calls a day.
client:Claude Code
transport:streamable-http
tools:4
Install Dutyfinch in Claude Code
run in your project directory
claude mcp add --transport http dutyfinch https://dutyfinch.cybermaxtools.com/mcp?via=mcp-registryAdds it for this project only. Append --scope user to make it available everywhere. Claude Code docs