Mmcp.market

Head to head

Noaa Spaceweather vs Japan Data MCP

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

Noaa Spaceweatherio.github.cyanheads/noaa-spaceweather-mcp-server
A
No reviews yet

NOAA SWPC space weather: storm scales, Kp index, aurora forecasts, solar wind, activity, alerts.

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Japan Data MCPio.github.Mameta29/japan-data-mcp
B
No reviews yet

30 tools for Japanese data: address, furigana, transit, Diet, holidays, weather, corporate registry

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Noaa Spaceweather (93/100 against 78). Noaa Spaceweather is hosted and callable through the gateway; Japan Data MCP runs on your own machine.

 Noaa SpaceweatherJapan Data MCP
User ratingNo reviews yetNo reviews yet
Safety gradeA93/100B78/100
AdoptionGrowingGrowing
GitHub stars22
Downloads / week51035
Runs whereHosted (remote)Your machine (local)
Gateway-readyYesNo
Tools——
Write actions——
Price per callFreeFree
LicenceApache-2.0Apache-2.0
Last release2026-09-172026-07-22
CategoryMaps and travelMaps and travel

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