com.watchandnavy/mariner-gps-tools
Mariner GPS Tools
Marine navigation calculators for GPS distance, bearing, cross track error, coordinates and speed.
alive probed 2026-10-13 · HTTP 200
6tools
3.0ktokens in Claude Opus 5.5
3.0ktokens in Claude Code
1.5 %of a 200k context window
1.7ko200k_base estimate
798 msto initialize
366 msto list tools
- Endpoint
- https://marinergps.tools/mcp (streamable-http)
- Host
- marinergps.tools
- Protocol
- 2025-11-25
- Reports itself as
- mariner-tools 1.0.1
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-13. Counted again when the tool definitions change. Method.
- Website
- https://marinergps.tools/api-mcp/
- Registry
- active, updated 2026-10-03 · registry entry
- Reachable
- 5 of the last 5 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| calculate_cross_track_error | 622 | 36 % |
| calculate_distance | 389 | 23 % |
| calculate_bearing | 387 | 23 % |
| convert_coordinates | 160 | 9 % |
| convert_speed | 125 | 7 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-13 11:10 | alive | 798 ms | 6 | 3.0k | 1.7k |
| 2026-10-05 00:23 | needs auth | ||||
| 2026-10-04 09:59 | needs auth | ||||
| 2026-10-04 07:53 | needs auth | ||||
| 2026-10-03 20:32 | needs auth |
Badge and feed
[](https://mcpcost.ulehla.dev/s/com.watchandnavy/mariner-gps-tools)
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.