io.github.cyanheads/noaa-marine-mcp-server
noaa-marine-mcp-server
Find NOAA tide stations and NDBC buoys, fetch tide predictions, currents, and live conditions.
alive probed 2026-10-09 · HTTP 200
8tools
10ktokens in Claude Opus 5.5
10ktokens in Claude Code
5.2 %of a 200k context window
6.5ko200k_base estimate
290 msto initialize
95 msto list tools
- Endpoint
- https://noaa-marine.caseyjhand.com/mcp (streamable-http)
- Host
- noaa-marine.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- noaa-marine-mcp-server 0.6.1
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 719 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/cyanheads/noaa-marine-mcp-server
- Registry
- active, updated 2026-10-09 · registry entry
- Reachable
- 7 of the last 7 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| noaa_marine_find_stations | 1 290 | 20 % |
| noaa_marine_get_water_level | 1 178 | 18 % |
| noaa_marine_get_currents | 1 027 | 16 % |
| noaa_marine_get_tide_predictions | 994 | 15 % |
| noaa_marine_get_monthly_means | 892 | 14 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-09 11:18 | alive | 474 ms | 8 | 10k | 6.5k |
| 2026-10-05 14:39 | alive | 290 ms | 8 | 10k | 6.5k |
| 2026-10-05 00:33 | alive | 245 ms | 8 | 6.5k | |
| 2026-10-04 10:04 | alive | 380 ms | 8 | 6.5k | |
| 2026-10-04 07:57 | alive | 355 ms | 8 | 6.5k | |
| 2026-10-03 20:37 | alive | 981 ms | 8 | 6.5k | |
| 2026-10-03 17:53 | alive | 551 ms | 8 | 6.5k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.cyanheads/noaa-marine-mcp-server)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.