"Search for free open-source software" matching MCP servers:

Enables AI agents to call 16 small, deterministic, read-only tools over a free, no-auth remote streamable HTTP MCP endpoint, covering business idea scoring, price headroom, hotel OTA commissions, open-source SaaS swaps, ads policy notice risk, App Store 4.2 prechecks, and Japan trip planning. Each tool is also exposed as a plain JSON API with OpenAPI docs.

This MCP server provides accessibility risk assessment for Seoul subway trips, considering wheelchair, stroller, and other mobility constraints. It offers tools to check station facilities, elevator status, and calculates risk scores for routes based on a deterministic engine.

An MCP server for live flight tracking and real-time status checks, including airport and airline code resolution, powered by the free AviationStack API.

Check if a flight connection is comfortable, tight or risky, with cited airport data.

Gives language models weather tools for place search, multi-day forecasts, and location comparison, with no API key or configuration required.

Enables Claude to search for geo entities such as cities, airports, and hotels using Skyscanner's Tellus API. Supports entity lookup, search by type/location, fetching children, and nearby entities.

Enables Claude to plan trips by performing live searches against Google Flights, hotels, vacation rentals, activities, and events, plus weather and currency conversion.

Enables searching and comparing Airbnb (Korea) and Yanolja accommodation prices, with tools for price distribution, historical trends, and snapshot management, storing collected data in SQLite.

Enables AI hosts to search Italian bus locations and one-way journeys across multiple coach operators through read-only MCP tools, returning normalized results with official booking links.

A Model Context Protocol Server search realtime flight detail with multiple fligh carrier, price , stop , time duration for any given date using simple prompt

Enables flight search and date parsing using Amadeus API and Google Gemini, with natural language understanding.

Enables flight search, airport information lookup, and price comparison through Claude Desktop.

Enables AI assistants to search for real-time flights between airports using the SearchAPI.io Google Flights API, returning prices, schedules, airlines, and carbon emissions.

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 MCP server for Swiss Federal Railways (SBB) open data, enabling AI models to query real-time disruptions, passenger frequencies, station details, and more without an API key.

Enables searching Airbnb listings with advanced filtering (location, dates, guests, price) and retrieval of detailed property information including amenities, policies, and booking links.

Enables AI assistants to ask what aircraft are flying near a location, track a specific flight's live position, route, aircraft details and photo, and surface emergency-squawking or military aircraft. It exposes four tools (flights_near, track_flight, emergencies, military_aircraft) backed by merged volunteer ADS-B networks and a global snapshot.

MCP server that lets citizens search and book Parks Canada campgrounds, accommodations, day use, and backcountry permits through their own AI assistant, with secure local session handling and payment completed by the user in their own browser.

Enables real-time one-way and round-trip flight searches from any MCP client without an API key or account, returning live fares, historical price insights, and bookable links supported by disclosed sponsored cards.

MCP server for SYMONE — search motorcycle transport routes in France. Paris↔Marseille from 299€. No auth required.

MCP server providing access to Malaysia's government datasets, dashboards, weather forecasts, and transport data through a unified search system and hybrid data access architecture.

Enables real-time flight search on Google Flights, letting AI agents find flights, explore date ranges, and locate airports through native MCP tools.

Enables AI assistants to access real-time Transport for London data, including tube/bus arrivals, line status, journey planning, and disruptions.

Enables searching CuddlyNest hotels and retrieving listing details, including live room options, prices, availability, and cancellation policies.

Enables LLMs to geocode and reverse geocode places, find nearby points of interest, search categories within an area, get turn-by-turn routing, suggest meeting points, and analyze neighborhoods, commutes, schools, EV charging, and parking through OpenStreetMap data services. It also serves place and map tile resources over stdio, SSE, or Streamable HTTP transports.

Enables searching for flights (one-way, round-trip, multi-city) and hotels using the Duffel API, with support for filtering by cabin class, passengers, dates, and viewing accommodation reviews.

Enables searching for flights (one-way, round-trip, multi-city) and hotels using the Duffel API, with support for detailed offer information, cabin class preferences, and guest reviews.

Enables clients to search cached Aviasales/Travelpayouts flight prices and analyze price calendars, returning verified Travelpayouts affiliate links for booking. It exposes the search_flights and analyze_price_calendar tools with production features such as caching, retries, rate limiting, and bearer authentication.

Provides Google Maps functionality through Cloud Run, enabling route calculation, traffic analysis, route comparison, and trip cost estimation with rate-limited public access.

Enables searching for train tickets on China's 12306 railway system, including ticket availability queries, train filtering, station stopover information, and transfer route planning.

Enables AI clients to query University of Maryland data and services, including course catalogs, grade distributions, sections and instructors, dining menus, Shuttle-UM routes, athletics, campus events, and the campus directory. Supports signing in with a UMD Directory ID so students can access personalized Schedule of Classes, Testudo, and ELMS information.

Provides a suite of tools for location retrieval and multi-modal route planning within China using the Baidu Maps API. It enables AI agents to perform address-to-coordinate conversions, nearby place searches, and calculate directions for driving, transit, walking, and cycling.

Provides access to 250,000+ Canadian government datasets and specialized querying of transportation infrastructure including bridges, airports, cycling networks, transit systems, railways, and tunnels across multiple provinces.

A locally runnable stdio MCP server for Fortrip hotel search, live room rates, hotel details, trip planning and booking payment links. Uses a Fortrip CLI token or saved CLI login; payments are completed by the user on Fortrip and Stripe.

Provides read-only access to live Bay Area transit data, including routes, stops, real-time departures, vehicle positions, and service alerts, for use by large language models.

Enables travel search workflows including airport lookup, route comparison, travel timing guidance, and external booking links with commission-eligible links.

Google Hotels MCP server via direct RPC — no scraping, no browser automation. Three tools: hotel list search (16 filter slots: stars, price, amenities, brands, free cancellation), per-OTA rate plans and cancellation policies for a single hotel, and parallel top-N enrichment. One-command setup for Claude Code, Codex, and ChatGPT

Enables querying Swedish Transport Administration open data for live train departures and arrivals, railway disruptions, road incidents, and measured road weather through MCP tools.

Provides AI agents with live access to over 1 million traffic cameras worldwide, enabling search by bounding box, radius, route, or nearest point and fetching live frames.

AI-native travel search MCP with affiliate booking links and optional x402 premium intelligence.