"A system or program using SSE instead of STDIO" matching MCP connectors:

In-flight WiFi: provider by flight, airline or tail, measured speeds, Starlink rollout.

NASA JPL Horizons — solar-system body ephemerides

NASA/JPL Solar System Dynamics + CNEOS MCP.

NASA space data — Near Earth Objects (asteroid tracking & hazard assessment), Space Weather (solar flares, CMEs, geomagnetic storms via DONKI), and Astronomy Picture of the Day.