Do I need an API key?
No. The server uses free, public data from aviationweather.gov and Open‑Meteo.
A
Aviation Weather MCP Server
@mariow
基本信息
关于 Aviation Weather MCP Server
Aviation weather briefings directly in Claude. METARs, TAFs, PIREPs, SIGMETs, and ICON-D2 NWP forecasts — no API key required.
Aviation Weather MCP Server 配置
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"aviation-weather": {
"command": "npx",
"args": [
"-y",
"aviation-weather-mcp"
]
}
}
}Aviation Weather MCP Server 工具
8Get the latest METAR for an airport. Returns raw METAR plus decoded ceiling, visibility, wind, and VFR/MVFR/IFR/LIFR flight category.
Get the Terminal Area Forecast (TAF) for an airport. Returns raw TAF plus decoded forecast periods with flight category, wind, visibility, and ceiling.
Get pilot reports (PIREPs) near an airport. Reports recent turbulence, icing, cloud tops, and other in-flight observations.
Get active SIGMETs and AIRMETs. Filter by region to reduce noise.
Get DWD ICON-D2 NWP forecast for any lat/lon. Provides hourly wind (10m + 80m), visibility, cloud base, precipitation, and CAPE. ICON-D2 covers Central Europe at 2km resolution up to 48h. Falls back to ICON-EU (7km, Europe) or ICON-seamless outside coverage.
Longer-range VFR confidence outlook (3–15 days) for an airfield or location. Pools an ensemble (ECMWF-ENS for low cloud; ECMWF-ENS + GEFS for CAPE) and reports, per day, the probability that the day is NO-GO — the share of ensemble members with poor VFR conditions (low cloud above threshold OR high CAPE/thunderstorm potential) during the daylight window. Also shows the deterministic ECMWF-IFS trend, plus the ICON-EU run (≤5 days) as an independent medium-range cross-check that sits between ICON-D2 (48h) and ECMWF (15d). This is the confidence measure for trip planning that short-range METAR/TAF/ICON-D2 cannot provide. Pass an ICAO code (resolved offline from a bundled airport database covering GA fields) or lat/lon directly.
VFR preflight weather brief for an airfield. Combines current METAR, TAF, and ICON-D2 NWP forecast into a single assessment. Only the ICAO code is required — coordinates are resolved authoritatively from the aviationweather.gov station database. Never supply coordinates yourself.
Route weather brief for a direct flight between two airports. Fetches METARs at departure and destination, ICON-D2 at 5 points along the great-circle route, and active SIGMETs. Coordinates are resolved from the station API — never guess them. Pass ICAO codes exactly as given by the user.
概览
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
常见问题
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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