"Tools and methods for plotting graphs without an API key" matching MCP servers:

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

Provides 15 geospatial utility tools for AI agents, covering coordinate transformation, spatial data validation, elevation/terrain, viewshed analysis, and drone flight planning.

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.

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

An MCP server providing tools for weather, calculations, currency conversion, timezone queries, and unit conversions.

A local MCP server that integrates FastMCP with OpenAI to enable natural language queries for current weather, forecasts, and currency conversion using ExchangeRate-API and Open-Meteo.

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

Enables MCP-compatible AI clients to look up UK postcode details, find nearest postcodes by coordinates, and retrieve upcoming bank holidays through keyless public APIs.

Provides access to the City By Api Ninjas API to retrieve detailed city information worldwide. Users can search and filter results by name, country, population range, and geographic coordinates.

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.

MCP server that enables AI assistants to search for rental cars, query prices, and access map services using the AMAP API.

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 provides a tool to query Brazilian postal codes (CEPs) via the ViaCEP API, returning address details such as street, neighborhood, city, and state.

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.