Mariner GPS Tools

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How to connect

Add it to any MCP client that supports remote servers.

{
  "mcpServers": {
    "mariner-gps-tools": {
      "type": "http",
      "url": "https://marinergps.tools/mcp"
    }
  }
}

6 tools

• convert_speed

  Convert a speed value between knots, mph, km/h, m/s, and ft/s.

• convert_coordinates

  Parse latitude and longitude and format them as decimal degrees or DMS.

• calculate_distance

  Calculate great-circle and rhumb-line routes between two GPS coordinates.

• calculate_bearing

  Calculate the initial true bearing between two GPS coordinates.

• calculate_cross_track_error

  Calculate cross track error (XTE) — the perpendicular distance from a vessel position to the great-circle track between two waypoints — plus side of track (port/starboard) and along-track distances.

• list_tools

  List the public Mariner GPS Tools calculators currently available.

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