"Files formatted in JSON" matching MCP connectors:

NASA mission & space news: launches, science. $0.01/query. Register in-session — free testnet funds.

SeatWiFiA

com.seatwifi

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

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

Space weather: Kp index, solar flare flux, alerts. $0.01/query, free testnet funds.

Rocket launch schedule: SpaceX, Falcon, Electron. $0.01/query, free testnet funds.

Modified Julian day band

Julian day number band

Space Feeds MCP.

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

Spaceflight News MCP.

Open Notify MCP — ISS position + people in space

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

TLE MCP — satellite tracking via Two-Line Element sets (tle.ivanstanojevic.me, free, no auth)

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

NASA/JPL Solar System Dynamics + CNEOS MCP.

CelesTrak MCP — satellite orbital elements (TLE / GP data) for any tracked object.

Launches MCP — wraps Launch Library 2 API (ll.thespacedevs.com)

JPL Horizons MCP.

FlightAware MCP — wraps FlightAware AeroAPI v4 (aeroapi.flightaware.com)

NASA MCP — wraps NASA Open APIs (api.nasa.gov)