"Free Graph and Network Visualization Tools (No API Key Required)" matching MCP servers:

Enables access to MET Norway weather data including global forecasts, Nordic nowcast, sunrise/sunset times, air quality, and ocean forecasts via natural language queries.

Enables natural-language spatial analysis of transmission lines and wildlife/public access lands using Claude, MCP, and DuckDB. Users can ask questions about intersections, distances, buffers, and other GIS operations without writing SQL.

Enables MCP-capable assistants to control an open ArcGIS Pro project locally over TCP 127.0.0.1, with 68 commands and 167 tools for layers, editing, symbology, layouts, geoprocessing, and arcpy execution.

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.

MCP server for Parks on the Air (POTA) providing live activator spots, park details, activator/hunter stats, and scheduled activations through any MCP-compatible AI assistant.

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.

MCP server providing access to Russian Railways ticket API, enabling train search, station lookup, and trip 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 to retrieve device information, images, media, location, thumbnails, and events from the Safie API through MCP.

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

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

A Python-based MCP server that collects, analyzes, and visualizes forest fire occurrence data on maps, allowing users to access regional fire information, risk analysis, and map visualizations.

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