"CAE Key for Electronic Invoicing in Argentina" matching MCP connectors:

Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math

Free walking tours & activities in 1,000+ cities — live availability, ratings & booking links.

Search real hotels, get live per-night quotes, and check out — all in chat. Guest search and checkout-link tools need no sign-in; OAuth unlocks saved trips, booking management, and one-click checkout. Renders interactive results, hotel-detail, and checkout widgets.

Neutral hotel & stay price comparison for AI agents: live prices from 16+ booking sites. No signup.

Mediterranean marine, nautical, sailing: forecasts, tides, sea routes, anchorages, POIs for AI.

AI-powered eSIM recommendation agent for travelers. Provides real-time coverage checks, package search by country, and pricing across 190+ destinations via structured tool calls. Tools available: - list_countries - full list of supported destinations - check_coverage - network operators by country code - search_packages - filter eSIM plans by country - get_package_details - pricing and data specs - create_checkout - generate payment link for purchase No auth required for search tools. Ideal

Agent-native global eSIM: buy for 193 countries, per-MB in USDT/USDC. Agents earn 20% referral.

Visa & entry requirements for 199 passports, cited to official sources and re-verified daily.

Turn a trip planned in conversation into a private, editable map link you hand the person.

Lviv public transport MCP: stops, timetables, routes, and live vehicle positions. No API key.

Free, keyless public holidays lookup for any country and year, plus single-date holiday checks.

In-flight WiFi: provider by flight, airline or tail, measured speeds, Starlink rollout.

whentofly: flexible-date economy/business flight search + price-level context for AI agents

Travel-compliance intelligence and curated booking for digital nomads and long-stay travellers.

Greetwell curates authentic local experiences and provides personal concierge support in over 500 destinations, helping you explore confidently wherever you go. The Greetwell MCP server lets you search for activities by location, date, and interest, then drill into details like duration, meeting point, cancellation policy, and real-time availability. It can also recommend complementary experiences to help you build an itinerary of things to do.

Sailing passage planner for any coast, with high-precision tides on the French Atlantic.

US tariff & trade truth: duty actually paid by origin/HS 2017+, HTS rulebook, CBP rulings. No key.

Verified CO2e for any transaction, activity, flight, shipment or CBAM import. 200+ countries.

Real-time fuel prices, active alerts (traffic, wildfires, severe weather, earthquakes), per-country data coverage, and cheapest gas stations by city, aggregated from official public sources across 38+ countries. Read-only, no auth required for the free tier.

Unofficial read-only MCP server for VeryChic hotel offers