Open Waters AIS MCP MCP server

An official MCP server provided by Open Waters that allows AI assistants to query real-time marine Automatic Identification System (AIS) data. It enables agents to retrieve live vessel positions, track ships by MMSI or geographic area, and access coverage statistics without requiring authentication for basic queries.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by Open Waters

MCP endpoint (Streamable HTTP)

https://ais.openwaters.io/mcp

Vendor documentation

What you can do with it

Query live vessel positions within a specific geographic bounding box
Track specific ships by their MMSI identifier
Check AIS network coverage and station statistics
Ask an AI assistant about current maritime traffic in a port

Tools advertised by the last live check:

find_vessels_in_area
find_vessels_near
get_coverage
get_vessel_track
get_vessels
search_vessels_by_name

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http open-waters-ais-mcp https://ais.openwaters.io/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add open-waters-ais-mcp --url https://ais.openwaters.io/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable open-waters-ais-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "open-waters-ais-mcp": {
      "url": "https://ais.openwaters.io/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "open-waters-ais-mcp": {
      "type": "streamableHttp",
      "url": "https://ais.openwaters.io/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start open-waters-ais-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "open-waters-ais-mcp": {
      "type": "http",
      "url": "https://ais.openwaters.io/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http open-waters-ais-mcp https://ais.openwaters.io/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "open-waters-ais-mcp": {
      "url": "https://ais.openwaters.io/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "open-waters-ais-mcp": {
      "serverUrl": "https://ais.openwaters.io/mcp"
    }
  }
}

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