"SPARQL query language and tools" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Aircraft intelligence for AI agents: valuations with uncertainty bands, FAA registry lookups, cost of ownership, comparable aircraft, fleet search, airworthiness directives and STCs, market metrics and forecasts, verified value reports, pre-buy diligence checklists, logbook search and a watchlist. 38 tools; free tier with OAuth or a Windsock API key.
Offline observational astronomy: positions, rise/set, moon phases, eclipses, and seasons.
Birth charts, transits, moon phases and more from precise astronomical calculations. Natal Compass.
Aircraft noise over the Netherlands: what flies over you and how loud, and report a noisy flight
Read-only access to live ADSBiq aircraft and network state, with community contribution metadata.
Anonymous public tools for FlightSweeper. See the published agent boundary before use.
Aviation accident narratives from 128 official authorities, plus FAA wildlife, laser and drone data
Civil twilight hour-band UTC
Approximate sidereal hour band
Mean solar noon UTC-hour band
NASA mission & space news: launches, science. $0.01/query. Register in-session — free testnet funds.
ECAC PER: DCOMP, official-source lookup. Platform-hosted, pay per query with prepaid credit.
Julian Day Number integer band
Space weather: Kp index, solar flare flux, alerts. $0.01/query, free testnet funds.
NASA astronomy photo of the day + imagery. $0.01/query. Register in-session — free testnet funds.
Rocket launch schedule: SpaceX, Falcon, Electron. $0.01/query, free testnet funds.
Astronomy: sun, moon, planet, eclipse, twilight and star position calculations.
Drone-sector market intelligence for AI agents: free briefings and profiles, licenced tracker data.
sidereal day fraction band
