Noaa Space Weather MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 333 installs a week from npm. Last commit 8 Nov 2026.
NOAA Space Weather: live Kp index and geomagnetic storm readings - keyless.
Today is the operative word: we check Noaa Space Weather MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add noaa-space-weather-mcp -- npx -y @mrfentmen/noaa-space-weather-mcp
{
"mcpServers": {
"noaa-space-weather-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/noaa-space-weather-mcp"
]
}
}
}
[mcp_servers.noaa-space-weather-mcp]
command = "npx"
args = ["-y", "@mrfentmen/noaa-space-weather-mcp"]
{
"mcpServers": {
"noaa-space-weather-mcp": {
"command": "npx",
"args": [
"-y",
"@mrfentmen/noaa-space-weather-mcp"
]
}
}
}
{
"servers": {
"noaa-space-weather-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@mrfentmen/noaa-space-weather-mcp"
]
}
}
}
MCP server for NOAA solar wind, geomagnetic scales, and space weather alerts.
Space weather: Kp index, NOAA 3-day geomagnetic forecast, solar flares, aurora visibility.
NOAA SWPC space weather: storm scales, Kp index, aurora forecasts, solar wind, activity, alerts.
NOAA space weather: Kp index, aurora probability for a place and active SWPC alerts
NWS Alerts: live US weather warnings and watches by state code - keyless.
Space weather & geomagnetic conditions (NOAA SWPC, NASA DONKI, USGS, Kyoto) via MCP.
NOAA space weather: Kp index now and 3 days ahead, aurora chance anywhere, UK aurora outlook
Solar indices and space weather MCP server. SFI, SSN, Kp, DSCOVR, NOAA alerts.
Answers built from our own checks of this server.