Us Tariff Ledger MCP server

What it does

MCP server exposing US tariff data, trade statistics, and vessel tracking via AIS. For importers, logistics operators, and analysts who need actual duty payments by origin and commodity since 2017, current HTS classifications, CBP rulings, and real-time container vessel positions at US ports.

• Look up what duties were actually paid on imports from a specific country and HS code to understand landed costs and tariff exposure.
• Check current berthing status and queue times for container vessels at major US gateways to plan drayage and customer deliveries.
• Search and cross-reference US Census trade records against live AIS observations to identify discrepancies or verify trade flow data.

Tools this server exposes

Tool	Does
gateway_conditions	Returns current vessel positions at a US container gateway, classified by type, with berth and anchorage status and terminal assignments.
vessel_status	Provides current location, physical state, assigned terminal, and declared destination for a named vessel.
has_vessel_berthed	Checks whether a vessel berthed within a specified lookback window and returns timestamps, terminal, and queue wait duration if applicable.
recent_events	Returns the event stream of arrivals, anchorings, berthings, departures, and semantic notes for tracked vessels.
list_instruments	Enumerates all available data series and instruments with their provenance grade and trust state.
describe_series	Explains what a trade data series measures, including unit, source, method, citation, and coverage period.
query_series	Returns monthly US port trade data by country and commodity, vessel events, and ETA reliability metrics.
check_agreement	Compares US Census customs records against live AIS observations to identify discrepancies between sources.
search_series	Finds trade data series by plain-language query such as country of origin, port, or vessel event type.

Before you enable it

An MCP server runs with whatever access you give it. Start with a development account rather than production, and check which tools the server exposes before you let an agent call them unattended.