"MCP servers that work without API keys" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Neutral freight reference + validation layer for AI agents: ADR, HS, UN/LOCODE, freight math
Korean lodging: 84,490 stays from 4 government permit ledgers + KTO TourAPI, honest gaps
Read-only travel tipping for 140 destinations: search, country rules, and tip calculator.
Datos verificados de Alicante: transporte, parkings, playas, tiempo, comida y ocio.
Search hotels & rentals: live prices & reviews across Booking.com, Airbnb, Vrbo & Google Hotels.
Universal MCP server and 3D Digital Twin for Alicante city. Engineered for LLMs and autonomous agents, this gateway delivers structured JSON-RPC data across urban transit networks (Vectalia buses, TRAM metro, ALC Airport Bus C6), proprietary 3D cartography, and high-frequency smart mobility logs (live parkings, urban buses, tram, flights, and others). Integrates real-time relational transit meshes with strict direction attributes. Exclusive tools for restaurant menus, beaches, taxis, etc
Find, compare & buy travel eSIMs for 190+ countries + a 12-month Travel Pass. 40 currencies.
Buy and manage travel eSIM data plans in the conversation. Pay by card (Stripe) or USDC over x402.
Developer docs for building on RideDesk: booking API, widgets, per-account booking MCP. No auth.
Agent-facing lodging decision tool. Non-sensitive categories only. Alpha, unauthenticated.
Indian Railways IRCTC helps you to view, track trains schedules, ticket status and more.
Plan trips on a map: routed transport, day-by-day itineraries, and a plan you can share.
Free walking tours & activities in 1,000+ cities — live availability, ratings & booking links.
Neutral hotel & stay price comparison for AI agents: live prices from 16+ booking sites. No signup.
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.
Aggregated travel MCP — flights, tours, activities, price checks, visas, and more.
Host-owned vacation-rental direct booking via VRP. Signed offers, 0% commission. Not an OTA.
Mediterranean marine, nautical, sailing: forecasts, tides, sea routes, anchorages, POIs for AI.
Search flights, hotels & experiences at all-in prices, then build a trip on breckenwander.com.
Last-minute booking slots across 11 suppliers. Search, price, and execute bookings via AI agents.
