"Free PostgreSQL Database Solutions" matching MCP servers:

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.

Provides OpenStreetMap integration for MCP, allowing users to query and visualize map data with tools for adding markers, polygons, and controlling the map view.

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 AI assistants with live information about who is currently in space and the location of the ISS, using the free Open Notify API.

An MCP server that finds great espresso cafes using a curated database of specialty coffee shops and a transparent scoring algorithm, with a strong bias against flavored syrups and mass-market chains.

Global postal code lookups, validation, and city search for 240+ countries with timezone, admin region, and elevation metadata. Sub-10ms responses at $0.000028/query with 1,000 free queries on signup.

An MCP server that gives AI agents clean, token-efficient access to US civic & property data — geocoding, census tracts, Opportunity Zones, ACS demographics, and FEMA flood zones — sourced entirely from free federal open data.

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.

Provides free EagleView-style satellite roof measurements and modular Xactimate-style estimating from Google Solar API data, enabling contractors to generate reports and estimates from any address.

Free, keyless MCP server for timezone conversion, world clock, DST-aware date arithmetic, and cross-timezone meeting scheduling using IANA timezones.

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.

Singapore property prices, HDB resale transactions, land use/zoning, and nearby amenities via MCP. Uses only free public APIs, no API keys needed.

Enables AI assistants to assess any parcel for micro-farm viability (climate, water, farmland context, access, flood risk) and dwelling feasibility, and to find real land for sale from free, keyless public data sources.

Provides global geocoding capabilities to convert city names and addresses into latitude/longitude coordinates using the free OpenStreetMap Nominatim API.

MCP server providing structured geographic data for AI agents. Access 261 countries and millions of cities via Bamwor API.

Remote MCP server for geographic data. Free and x402 paid packs all normalized for cross domain joins. Start with get_catalog, then get_pack for details.