io.github.cyanheads/noaa-spaceweather-mcp-server
noaa-spaceweather-mcp-server
io.github.cyanheads/noaa-spaceweather-mcp-server costs 2 053 tokens of context per session. It has 6 tool definitions. That is 1.0 % of a 200k window. Measured 2026-10-03.
NOAA SWPC space weather: storm scales, Kp index, aurora forecasts, solar wind, activity, alerts.
alive probed 2026-10-03 · HTTP 200
6tools
2.1ktokens for the tool definitions
1.0 %of a 200k context window
956 msto initialize
322 msto list tools
- Endpoint
- https://noaa-spaceweather.caseyjhand.com/mcp (streamable-http)
- Host
- noaa-spaceweather.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- noaa-spaceweather-mcp-server 0.3.1
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 494 characters
- Repository
- https://github.com/cyanheads/noaa-spaceweather-mcp-server
- Registry
- active, updated 2026-09-22 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| noaa_spaceweather_get_solar_wind | 552 | 27 % |
| noaa_spaceweather_get_alerts | 409 | 20 % |
| noaa_spaceweather_get_solar_activity | 318 | 15 % |
| noaa_spaceweather_get_aurora_forecast | 286 | 14 % |
| noaa_spaceweather_get_kp_index | 266 | 13 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:37 | alive | 956 ms | 6 | 2.1k |
| 2026-10-03 17:53 | alive | 532 ms | 6 | 2.1k |
Badge
[](https://mcp-pulse.ulehla.dev/s/io.github.cyanheads/noaa-spaceweather-mcp-server)