"Free Network Graph Visualization Tools (No Account 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 AI agents and MCP clients to connect to a live Esri ArcGIS Utility Network through the UtilityNetworkServer REST API, supporting trace, subnetwork, dirty-area, and association operations.

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.

Enables ham radio operators to render and manipulate an interactive grayline and Maidenhead grid map, add or remove points and highlighted grids, configure map options, and convert grid locators to coordinates with distance and heading from home.

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.

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

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.

Alexa+ MCP server that finds a restroom you can actually use

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

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.

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.

Provides five utility tools: weather information, calculator, currency converter, timezone information, and unit converter.

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.

MCP server that resolves postal/ZIP codes to place names, states, and coordinates using Zippopotam.us. Free, no API key required.

MCP server for sthan.io - US address verification, parsing, autocomplete, forward/reverse geocoding, and IP geolocation. 8 tools, TypeScript, stdio transport. Free tier, no credit card required.

An MCP server that provides weather forecasts and current conditions for any city via the free Open-Meteo API, with no API key or account required.

Provides IP address geolocation and related info via an API, with MCP server integration for easy use in AI tools.

Enables IOTA group lookup, island search, DXCC mapping, nearby groups, and programme statistics through any MCP-compatible AI assistant.

Enables amateur radio operators to plan meteor-scatter contacts by judging whether two stations can work each other on a given shower and when, reporting path length, radiant elevation at the path midpoint, and the radiant-to-path angle with a verdict of no, marginal, good, or best. Also provides shower peak timing, every published radiant solution per shower, live confirmed meteor counts and recent fireball reports, plus full source provenance and citations.

Read-only MCP server for vessel identity lookup, AIS-style positions, tracks, port calls, carrier schedules, vessel schedules, and delay heuristics with source attribution and BYOK provider support.

Enables querying the 90 amateur ITU zones as the IARU publishes them, with each zone's ADIF DXCC and subdivision prefixes, boundary wording, and source citation, so users can find which zones cover a DXCC entity or subdivision, search zones by prefix or text, and check validity on a given date — all offline, without credentials.

Provides access to comprehensive weather data including real-time conditions, forecasts, historical weather, marine data, astronomy information, and weather alerts through the Weatherapi.com API.

Provides access to Google Maps API functionality including places search, geocoding, directions, distance matrix, elevation data, and static map generation through the MCP interface.

MCP server for Summits on the Air (SOTA) — live spots, activation alerts, summit info, and nearby summits through any MCP-compatible AI assistant.

Provides safe, typed access to Amateur Radio logging data with ADIF validation, parsing, spec search, and geospatial utilities for Maidenhead locators.

Provides access to real-time and historical flight data from Flightradar24 API, enabling users to track live aircraft positions, query flight histories, and retrieve comprehensive aviation information including aircraft, airline, and airport details.

Enables access to Google Maps business data including search, reviews, photos, and geocoding. Supports searching businesses by location, area, or coordinates, retrieving detailed business information, reviews, and performing reverse geocoding operations.

Provides access to the GeoDB Cities API for retrieving global geographic data including city details, populations, and local time. It enables users to find nearby locations, calculate distances between places, and browse administrative divisions across countries.

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

Enables accessing Yelp Business API to search businesses, get reviews, menus, and business details.

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.

Provides access to the Timezone By Location API to retrieve timezone information based on geographic location data.

Provides weather data including current conditions, daily forecasts up to 16 days, and hourly forecasts up to 7 days, using the free Open-Meteo API with no API key required.

MCP server for Open-Meteo free weather APIs, offering 16 tools for forecast, historical, air quality, marine, flood, ensemble, climate, seasonal, and scheduled data collection with no API key required.

A minimal MCP server that provides current weather and forecasts for any city using the free Open-Meteo API, no API key required.

A Model Context Protocol server that provides LLM Agents with a comprehensive toolset for IP geolocation, network diagnostics, system monitoring, cryptographic operations, and QR code generation.

MCP server for Chelaile realtime public transit data in China, including bus and metro arrivals, vehicle positions, nearby stops, timetables, and route planning. It runs locally over stdio with no login or account configuration required.