# Openwaters Ais MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.openwaters%2Fais
Registry id: `mcp-registry/io.openwaters/ais`
Status: live (checked 2026-10-27T03:38:00.993Z)

## Verdict

Openwaters Ais MCP server answered 99.95% of Glimind's liveness checks over 30 days, better than 36% of MCP servers, with 1273 ms median handshake and 2 outages in 90 days. Its agent-readiness grade is A (94/100) across 6 tools, costing an agent about 2,362 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 99.95% | 36% of MCP servers |
| Median handshake latency | 1273 ms | 13% of MCP servers |
| p95 handshake latency | 3837 ms | — |
| Checks in 30 days | 4,964 | — |
| Outages, 90 days | 2 | — |
| Median recovery | 7 min | — |
| Agent-readiness score | 94/100 (A) | 78% of MCP servers |
| Tools | 6 | — |
| Tool-list size for an agent | ~2,362 tokens | 50% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "openwaters-ais-mcp-server": {
      "type": "http",
      "url": "https://ais.openwaters.io/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http openwaters-ais-mcp-server https://ais.openwaters.io/mcp
```

## Tools (11)

- `coverage`: Get information about AIS coverage areas and sources
- `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, 
- `find_vessels_near`: Vessels within a radius (default 10 NM, maximum 50) of a point or of another vessel's last known position, nearest first, each with distance and bearing from th
- `get_coverage`: Where Open Waters AIS is hearing AIS right now: sources with their current delay, stations, freshness, and vessel counts. Pass a bounding box to learn which sta
- `get_vessel_track`: The positions heard from one vessel over a time range, oldest first, with speed, course, and navigational status. Positions implying an impossible speed for the
- `get_vessels`: Last known position and particulars of specific vessels by MMSI (Maritime Mobile Service Identity), or by IMO number with a feeder or partner token: the last re
- `search_by_name`: Search for vessels by name
- `search_vessels_by_name`: Vessels whose name contains the text, case-insensitive, among every vessel the network has heard, each with its last known position. Use to turn a name into an 
- `vessels_by_mmsi`: Look up vessels by their MMSI numbers
- `vessels_in_area`: Find vessels within a bounding box
- `vessels_near_point`: Find vessels near a geographic point or another vessel

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.
