"Information about the Linux Kernel" matching MCP connectors:

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.

Find craters, mountains and landing sites on the Moon, Mars and more to 3D print in OrbitStudio.

Jet Operating Cost: the site's own MCP server — calculator, enquiry (enquiry = a human handoff,...

Aircraft noise over the Netherlands: what flies over you and how loud, and report a noisy flight

NASA astronomy photo of the day + imagery. $0.01/query. Register in-session — free testnet funds.

Spacenews MCP — wraps the Spaceflight News API v4 (free, no auth)

N2YO MCP — wraps the N2YO Satellite Tracking REST API (n2yo.com)

ESA Gaia MCP — the Gaia star catalogue, queried over the ESA TAP service.

SpaceX MCP — revival of the (dead) SpaceX API.

Anonymous public tools for FlightSweeper. See the published agent boundary before use.