"How to Query a Knowledge Graph Using an Ontology" matching MCP servers:

Enables users to search for hotels by location and maximum price per night, returning hotel options with ratings and estimated total costs.

Enables AI assistants to search for vehicles, manage reservations, and access Enterprise Plus loyalty account information through headless browser automation on enterprise.com. It supports the complete car rental workflow including vehicle searching, booking, modifications, and points balance checks.

Enables interactive trip planning and booking through MCP Apps cards, with constraint-based scoring, cross-session memory, and a two-phase booking flow that requires explicit confirmation before charging.

Enables travel-related queries and planning including weather, train and flight information, itinerary generation, and travel knowledge retrieval via RAG, using an AI agent with MCP protocol.

Provides Estonian public transport timetables, trip planning, stop search, and real-time vehicle tracking.

Enables AI agents to query real-time fuel station availability and summaries across Thailand via MCP tools.

Provides live California road conditions, route planning, and an AI assistant over MCP, enabling natural-language queries about traffic, closures, chain controls, and more.

Provides real-time fuel prices at gas stations in Spain using the government's public API. Enables users to find the cheapest fuel in a municipality or list stations sorted by price.

Enables querying SNCF train schedules and stations in France using the official Navitia API, with support for flexible date parsing and real-time journey planning.

Provides MCP tools that let AI assistants query German road, parking, charging, rail, and fuel data, with attribution and licensing constraints included in results.

Enables AI assistants to plan container and truck loads from plain-English shipment descriptions, returning fitted containers, utilization, non-fitting items, and interactive 3D load plans.

Enables AI assistants to search hotel rooms by number of nights within a flexible date range, returning real prices and the cheapest deals with booking links. It also supports city resolution, hotel listing, and offer details for external booking completion.

Enables AI agents to search, browse, and book hotels from a database of 2 million properties worldwide. Provides comprehensive hotel search capabilities with location lookup, filtering by amenities, detailed property information, and integrated booking functionality.

An MCP server that enables AI assistants to interact with the Netherlands Railways (NS) API for route planning, pricing, and real-time departure information. It provides tools for searching stations, planning trips with connections, and viewing real-time departure boards.

Enables AI assistants to access Swiss public transport data including journey planning, real-time departures, disruptions, occupancy forecasts, ticket prices, and train formations via a standardized MCP interface.

Persistent, shareable travel workspaces for AI agents. Build a complete itinerary as a private map link and hand it to the person — usable on their behalf where signup-walled travel tools are not. Six tools, no API key, no account. The trip rides in the link's fragment, so nothing is stored server-side. Hosted at https://thistripbtw.us/mcp — zero install — or npx thistripbtw-mcp over stdio.

Enables querying Renfe train schedules, checking prices, and finding stations across Spain using official GTFS data.

An MCP server that lets users find nearby shops and POIs around a location and find targets such as gas stations or charging points within a given radius along a driving route, using the Amap (Gaode) Web Service API with built-in API key entry and validation.

An (unofficial) MCP server for the Deutsche Bahn Timetables API — station search, planned departures, and real-time changes (delays, platform changes, cancellations) as tools for Claude and other MCP clients.

An MCP server for searching and comparing travel eSIM data plans by country, planning multi-country trips, and optionally checking eSIM usage with an API token.