"Free PostgreSQL Database Solutions" 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 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.

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.

An MCP server for US electricity demand and weather data that provides tools, resources, and prompts to query hourly demand, daily demand, peak demand, and demand vs temperature across regions, all running locally with a bundled SQLite database.

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 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.

Radar-verified storm intelligence for the continental US — NOAA MRMS hail and wind swaths, per-address storm history, affected-property reports, area monitors with webhook + email alerts, and swath map images. Boots keyless; free API key (100 credits) at swathapi.com.

A free, MIT-licensed MCP server that provides AI agents with analyst-grade US severe-weather tools, including live warning polygons, SPC outlooks, radar-derived hail and rotation products, and a composite threat brief.

Per-species pollen forecasts at any point on Earth, seven days ahead. Free tier covers casual use.

Enables AI agents to access live aviation data including METAR weather, airport information, aircraft specs, an aviation glossary, and FAA-style practice questions via the free Rotate Pilot API.

Free travel utilities plus live x402 travel itelligence: $0.01 Travel Pulse disruption and emergency-awareness checks, day trips, weekend getaways, creator experiences, weather-aware planning, mobility options, currency conversion, airport checks, and timing guidance.

Live scuba diving planning for AI agents — ranked dive-forecast windows near any place for any day, best-time climatology per destination, marine-life seasonality from GBIF sightings, and facts for 4,800+ dive sites. Free and read-only; hosted at https://pickadive.com/mcp.

Provides farm and land decision support tools (irrigation advice, frost risk, growing degree days, dry spell status) using free public weather and soil data, without requiring any API keys.

Provides hourly and daily weather forecasts using the free Open-Meteo API without requiring an API key.

MCP server for agriculture and farming data. 8 tools: soil conditions (temperature, moisture), crop weather forecasts, historical climate data (NASA POWER, since 1981), global agriculture statistics (World Bank, 20+ indicators), and food product database (Open Food Facts, 3M+ products). All APIs free, no keys required.

Enables access to 11 free public APIs including weather, country info, NASA data, dictionary, and more, with zero configuration and no API keys required.

Travel planning tools from Plantrip: generate day-by-day itineraries, AI packing lists, weather insights, and trip cost estimates. Every itinerary gets a shareable page the user owns; free API key, no subscription.

Enables an AI assistant to manage personal tasks in SQLite, answer questions from a local SQLite database through bounded read-only queries, and retrieve weather forecasts from Open-Meteo.

A free Model Context Protocol server that retrieves global weather data and forecasts via the Open-Meteo API, with Sydney set as the default location.

Enables reading Tesla vehicle data from a TeslaMate PostgreSQL database, including status, trips, charging, efficiency, weather integration, and more, via 38 tools for MCP-compatible clients like Claude Code.