"Free Network Graph Visualization Tools (No Account Required)" matching MCP servers:

An MCP server that provides real-time weather data, hourly forecasts, and daily summaries using the free Open-Meteo API with no API key required. It enables users to search for weather conditions by specific coordinates or city names across multiple measurement units.

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

An MCP server that enables AI assistants to call weather tools, read resources, and use prompt templates for live weather data integration.

Enables keyless, read-only access to a wide range of public APIs (including weather, elevation, Japanese addresses, environment, science, and civic data) through MCP clients, with usage limits and abuse protection built in.

An MCP (Model Context Protocol) server implementation using HTTP SSE (Server-Sent Events) connections with built-in utility tools including echo, time, calculator, and weather query functionality.

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

FastAPI server with Google Gemini AI integration that provides auto-routing to multiple tools including weather, news, web search, dictionary, and quotes APIs through natural language prompts.

A lightweight, stateless MCP server that enables Claude to fetch current time for UTC or named timezones, current weather conditions via open-meteo, and lunar phase details including phase name, illumination percentage, and age in days.

Enables querying weather, country information, exchange rates, public holidays, and dictionary definitions by wrapping public APIs as MCP tools over stdio.

Enables MCP-compatible clients such as Claude Desktop to call typed tools for retrieving current weather by city and converting currency amounts using live exchange rates, with safe error handling.

Enables web search, browser control, weather queries, file clipboard operations, and memory search through MCP.

A comprehensive MCP server collection designed for Cursor that provides system information queries, personal profile management, web search capabilities, and weather forecasting. Enables users to access hardware details, manage resume data, search the web, and get weather updates through natural language interactions.

A Model Context Protocol server that provides tools for weather forecasting and Gmail interaction.

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

A demo MCP server that enables users to interact with various tools through natural language, including note management, weather queries, calculations, file operations, and shell commands. Uses Ollama for intent detection and structured command parsing from free text input.

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.

MCP server for space weather and HF propagation conditions — live solar flux, Kp index, DSCOVR solar wind, X-ray flux, alerts, 27-day forecast, and band-by-band outlook through any MCP-compatible AI assistant.

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 comprehensive weather data including current conditions, forecasts, air pollution levels, US weather alerts, earthquake information, and country details using coordinates, place names, or zip codes.

Enables AI assistants to fetch real-time weather conditions for any city or country worldwide via the free Open-Meteo API, with no API keys required. Supports both stdio and SSE transports for desktop and network deployments.

Predicts the likelihood of school closures due to snowfall and severe winter weather using real-time weather data and machine learning algorithms.

An MCP server that provides access to current weather data and 5-day forecasts via the Open Weather13 API. It enables users to retrieve weather information using city names or geographic coordinates across various languages.

Provides access to weather information by location using the API Ninjas Weather API, supporting queries by coordinates, zip code, city, state, and country.

Provides access to official MeteoSwiss weather data, including regional reports, daily forecasts, and website search functionality across multiple languages. It enables AI assistants to retrieve real-time weather information and documentation from MeteoSwiss using the Model Context Protocol.

Enables notes management, weather and news search, document ingestion and RAG-based semantic search using GroundX, with OpenAI GPT integration for summarization and completions.

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.

Enables AI models to access external services including weather data, file system operations, and SQLite database interactions through a standardized JSON-RPC interface. Features production-ready architecture with security, rate limiting, and comprehensive error handling.

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.

Provides real-time weather data from Open-Meteo API, mathematical calculations, and time zone information through MCP protocol. Works with both Claude Desktop and Gemini AI CLI for natural language interactions.

Enables users to retrieve real-time weather, multi-day forecasts, and air quality data for cities worldwide through MCP tools in Cursor or other clients, using free Open-Meteo data with no API keys required.

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

Claude Code plugin and MCP server that nudges you to take outdoor breaks based on local weather, sunset timing, and session streaks. Exposes check_grass_conditions, suggest_activity, log_touch_grass, and get_stats tools — fully local, no API keys, no cloud storage.

Live Japan seasonal travel data from Japan Meteorological Corporation. 12 tools covering cherry blossom (sakura) forecasts, autumn leaves (koyo), fruit picking, flowers, festivals, and 3-day weather. 1,700+ GPS-tagged spots updated daily at 9AM JST. Works via npx or hosted HTTP endpoint — no auth required.

Provides real-time air quality data (US AQI, PM2.5, PM10, ozone, NO2, SO2, CO) for any city via natural language, using free Open-Meteo data and a single tool.

MCP server providing Polymarket weather-market bucket-transition signals for AI agents, with free city/signal inspection tools and paid signal bundles via USDC on Base using x402.

Provides real-time weather temperature queries for any city with an interactive UI form, using Open-Meteo API (no API key needed).

Enables access to Japan Meteorological Agency data through MCP, covering weather forecasts, warnings, earthquakes with seismic intensity, tsunami bulletins, and volcano alerts, with place-name lookup in kanji, kana, or romaji and no API key.

Enables AI assistants to look up live US river stage, streamflow and water temperature from USGS gauges, along with NWS flood stages, current flood category and crest forecasts, plus daily history and nearby-gauge searches by place or coordinates. Needs no API key and runs hosted or locally.

Provides Open-Meteo weather tools that return both structured forecast data for the model and a weather card (image link or text) for the user, plus geocoding of place names to coordinates. Requires no API key and works over stdio or streamable HTTP.

AI assistants can size heat pumps, estimate energy costs, and verify cold-climate performance using bundled data and no API keys.