Open Waters AIS
io.openwaters/ais · v0.1.0 · MCP 2026-07-28
Live AIS vessel positions by MMSI, name, area, or radius, plus coverage. No sign-in, no key.
Reachability
reachable
checked 2026-09-20 05:30 UTC
Registry status active
Tools pinned 5
1a545526bfbf
Tools last changed
unchanged since first capture 2026-09-19
Repo last push 2026-09-18
GitHub stars 7
Provenance
Registry namespace io.openwaters
(domain verified by the official registry)
Repository
github.com/openwatersio/aiscast
Website
https://openwaters.io/ais/
Remote endpoints
https://ais.openwaters.io/mcp (streamable-http)
Observed changes
| When (UTC) | Event | Detail |
|---|---|---|
| 2026-09-19 05:30 | first capture | 5 tools pinned |
Pinned tool definitions (5)
| Tool | Description |
|---|---|
| find_vessels_in_area | Vessels currently inside a latitude/longitude bounding box, newest report first, with optional kind and ship-type filters. Use for what is in a port, a strait, or a stretch of coast. Anonymous calls may cover 100 square degrees per call. |
| find_vessels_near | Vessels within a radius (default 10 NM, maximum 50) of a point or of another vessel, nearest first, each with distance and bearing from the centre. Use for what is near this position or what is around vessel X. |
| get_coverage | Where Open Waters AIS is hearing AIS right now: sources, stations, freshness, and vessel counts. Pass a bounding box to learn which stations cover it and how many vessels are in it, or a station id for that station's numbers. Call this... |
| get_vessels | Current position and details of specific vessels by MMSI (Maritime Mobile Service Identity): the last report heard for each, and which MMSIs have not been heard in the last 30 minutes. Use search_vessels_by_name first when you only have a name. |
| search_vessels_by_name | Vessels whose name contains the text, case-insensitive, among vessels heard in the last 30 minutes. Use to turn a name into an MMSI, then get_vessels or find_vessels_near for detail. An optional bounding box narrows the search. |
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