ndbc-mcp

ndbc-mcp

MCP server providing access to NOAA National Data Buoy Center (NDBC) observations from 1,300+ offshore stations.

Features

• Real-time buoy observations: wind, waves, SST, pressure, air temperature
• Spectral wave data with swell/wind-wave separation
• Station discovery by location, type, or owner
• Daily statistical summaries (min/max/mean)
• Multi-station comparison

Data Sources

• NDBC Realtime2: https://www.ndbc.noaa.gov/data/realtime2/ -- 45-day rolling archive, updated every ~10 min
• Active Stations XML: https://www.ndbc.noaa.gov/activestations.xml -- 1,350 stations with metadata

No API keys required.

Installation

# Using uvx (recommended)
uvx ndbc-mcp

# Using pip
pip install ndbc-mcp

Tools

Tool	Description
ndbc_list_stations	List active stations with filters (type, owner, met sensors)
ndbc_get_station	Get metadata for a specific station
ndbc_find_nearest_stations	Find stations near a lat/lon coordinate
ndbc_get_latest_observation	Latest observation (all variables)
ndbc_get_observations	Time series from realtime2 (configurable hours)
ndbc_get_wave_summary	Spectral wave summary (swell/wind-wave separation)
ndbc_get_daily_summary	Daily min/max/mean for key variables
ndbc_compare_stations	Side-by-side comparison of 2-10 stations

Configuration

Claude Desktop

{
  "mcpServers": {
    "ndbc": {
      "command": "uvx",
      "args": ["ndbc-mcp"]
    }
  }
}

License

MIT