"Examples of MCPs (Microservices Communication Protocols) That Do Not Require API Keys" matching MCP servers:

MCP server providing access to Russian Railways ticket API, enabling train search, station lookup, and trip information.

Enables MCP clients to manage business locations, citations, reviews, posts, and local analytics across dozens of directories, maps, and search engines.

MCP server for the Infobel GetData API, enabling AI agents to search businesses, retrieve records, and browse categories and locations.

Enables geocoding and reverse geocoding operations to convert city names to coordinates and coordinates to location names using the API Ninjas service.

Enables to retrieve device information, images, media, location, thumbnails, and events from the Safie API through MCP.

Enables realtime bus arrival queries, route and stop searches, nearby station lookups, and transit planning for Chelaile-supported cities through MCP tools.

Provides IP geolocation lookups via ip-api.com, including single and batch queries up to 100 IPs.

Provides weather forecasts and alerts for US locations via the National Weather Service API, enabling AI assistants to deliver real-time weather information.

MCP server for extracting Google Maps photos as structured JSON, supporting search by place name, URL, or ID, with category filters and stable photo IDs. Enables users to pull full-size image URLs, thumbnails, and gallery metadata for any business or landmark directly through natural language.

Enables natural-language event searches through Google Events, returning structured JSON with dates, venues, ticket links, and map details, plus support for localization, filters, and pagination.

Single-file HTTP MCP Server for WeatherAPI.com to get current weather, forecasts, and location data. Supports bearer token authentication and exposes MCP tools for weather data retrieval.

An MCP server that allows users to get global time information via Interzoid's GetGlobalTime API, enabling access to time data across different regions through natural language.

Enables looking up approximate location of public or specific IP addresses, returning country, city, ISP, and coordinates via ip-api.com.

Enables AI assistants to search places and addresses, compute driving, walking, and kickboard routes, optimize waypoints, and calculate distance and time matrices. Results can be displayed as interactive maps within conversations.

Enables querying current date and time information by city/state/country, geographic coordinates (latitude/longitude), or timezone using the API Ninjas World Time API.

Enables AI assistants to discover datasets, resolve geographic areas to FIPS codes, and fetch official demographic and economic statistics through MCP tools and prompts.

Enables AI assistants to query official Census Bureau statistics by listing datasets, retrieving geographies and aggregate data, and resolving geographic names to FIPS codes through natural-language interactions.

Provides structured data on public facilities in Busan, South Korea for AI agents assisting foreign tourists, including AEDs, pharmacies, tourist info, restrooms, WiFi, and subway timetables.

22,000+ public facility data for foreign tourists in Seoul — restrooms, pharmacies, WiFi, AEDs, tourist info centers, and subway timetables. Bilingual (Korean/English).

Enables AI assistants to query official Census Bureau datasets and statistics, resolve geographies to FIPS codes, and retrieve aggregate population and demographic data.