"Sky" matching MCP servers:

A local, open-source MCP server that wraps astronomy data services (SIMBAD, JPL Horizons, VizieR, etc.) behind a conversational interface, enabling AI assistants to answer astronomy questions with real, typed, and provenance-tracked data.

A local MCP server for SkyPortal and Fritz that exposes astronomical transient data (photometry, spectra, classifications, observability) as tools for AI coding assistants.

Provides real-time aircraft tracking data from OpenSky Network combined with FAA aircraft registry information, enabling rich aviation queries that merge live flight positions with technical specifications.

Provides real-time weather information for South Korea, including temperature, sky condition, precipitation type, humidity, and precipitation amount, based on latitude and longitude coordinates using public data from the Korea Meteorological Administration.

Integrates SkyFi satellite imagery and OpenStreetMap services with AI applications to enable high-resolution image searching, ordering, and area monitoring. It provides 21 tools for geospatial tasks, including geocoding, tasking quotes, and satellite pass prediction.

Enables natural language queries of astronomical data across multiple archives (Gaia, 2MASS, image holdings) via the Trillian platform, allowing users to search catalogs and find images by sky coordinates.

MCP server for Slovak business registers (RPO) — AI agents can query 1.4M+ Slovak legal entities via Slovakia's official Statistical Office API. Search companies by name, IČO, or get full entity details including legal form, address, and statutory representatives.

Enables access to Slovak legislation from the Collection of Laws via static.slov-lex.sk. Supports listing consolidated versions, retrieving act metadata, and fetching full text with verifiable citations.

Enables querying statistical data from the Statistical Office of the Slovak Republic via natural language or direct tool calls.