Aviation Weather

Name: Aviation Weather
Author: mariow

@mariow

About Aviation Weather

Aviation weather briefings directly in Claude. METARs, TAFs, PIREPs, SIGMETs, and ICON-D2 NWP forecasts — no API key required.

#aviation-weather #metar #vfr-flying #aviation

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "aviation-weather": {
      "command": "npx",
      "args": [
        "-y",
        "aviation-weather-mcp"
      ]
    }
  }
}

Tools

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Overview

What is Aviation Weather?

Aviation Weather is a Model Context Protocol (MCP) server that provides aviation weather briefings directly in Claude. It fetches METARs, TAFs, PIREPs, SIGMETs, and ICON-D2 numerical weather prediction (NWP) forecasts — no API key required.

How to use Aviation Weather?

Install by adding the server to Claude Desktop’s MCP config using npx -y aviation-weather-mcp. After restarting Claude, ask plain‑language questions like “METAR EDDM” or “Route weather EDDM to LOWI”. For Claude Code, run claude mcp add aviation-weather -- npx -y aviation-weather-mcp.

Key features of Aviation Weather

Access METARs, TAFs, PIREPs, and SIGMETs worldwide
ICON‑D2 high‑resolution forecasts (2 km) for Central Europe
Falls back to ICON‑EU (7 km, 120 h) outside Central Europe
Automatic ICAO code resolution — just use the 4‑letter code
Visibility reported in kilometers
No API key or registration needed

Use cases of Aviation Weather

Get current weather at any airport via METAR
Retrieve terminal forecasts (TAF) for flight planning
Obtain a full VFR preflight briefing (METAR + TAF + NWP)
View weather along a direct route (METARs, NWP, SIGMETs)
Check active significant weather warnings (SIGMETs) over a region

FAQ from Aviation Weather

Do I need an API key?

No. The server uses free, public data from aviationweather.gov and Open‑Meteo.

What data sources are used?

METARs, TAFs, PIREPs, and SIGMETs are from aviationweather.gov (FAA/NOAA, worldwide). NWP forecasts are from Open‑Meteo using DWD ICON‑D2 / ICON‑EU models.

What are the system requirements?

Claude Desktop and Node.js version 18 or later are required.

Does the server work outside Europe?

Yes, for METARs, TAFs, PIREPs, and SIGMETs coverage is worldwide. High‑resolution ICON‑D2 forecasts are limited to Central Europe (43–58°N, 4–21°E); outside this area it falls back to ICON‑EU.

Is this an official pre‑flight briefing tool?

No. The tool is for informational purposes only and is not a replacement for an official pre‑flight weather briefing. Always use approved weather services and follow your national aviation authority’s requirements.

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