The real catalog of tools for AI agents

What a taxi, Uber or Lyft should cost, airport pickup rules, and overcharge checks.

Search premium cruise fares by line, ship, nights, date, and rate.

US HTS duty lookup and import-duty review with official sources and explicit unresolved layers.

Airline fare classes, fare comparisons and miles earned, from cwsi.net's charts and calculators.

Currency rates, VAT rates, and tariff rates via Watch Engine. 203 monitors.

Hong Kong MTR fares and the government fare subsidy, computed and recorded.

Google Flights fares and price calendar, Google Hotels rates by date, US/Canada gas station prices.

US stacked tariffs (MFN+301+232), daily-updated, Chinese labels, keyless, $49 x402 unlock

Real-time Google Flights: one-way and round-trip fares over date ranges, with price verdicts.

Cheapest observed fare, 6-month low and best departure date for a city pair.

Compare observed BC Ferries fares and dates, read qualified predictions, and manage fare alerts.

Cached flight fares on thousands of routes, each with the day it was seen. Not live prices. No key.

Flight price search via Aviasales/Travelpayouts: fares by route, cheapest days, flexible dates.

Find HS codes and UK/US import duty rates for goods. $0.004/call via x402.

HTS MCP — US import tariff rates via the USITC Harmonized Tariff Schedule.

Find the right US tariff code for a product and the duty rate that actually governs it.

EU customs code search (HS, NC8, TARIC): tariff classification and duty rates

Source-linked US tariff and trade-action changes: legal status, effective dates, dated archive.

Cheap flights from any city, to one place or anywhere, with the cheapest days to fly.

Find candidate customs tariff codes for a product and read the import duty on a code.