How do I install the aviation mcp server?

Use a recorded configuration for your client, replace example credential values and paths, and verify the documented runtime. Restart or reconnect the client, then inspect the available tools.

What credentials does it need?

It reads `MCP_TRANSPORT_TYPE`, `MCP_LOG_LEVEL`, `AWC_BASE_URL` from the environment. Store these in your client's env block or a secrets manager — never commit them to a repository — and grant the narrowest scope that still covers your use case.

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Aviation MCP Server

Fetch METARs, TAFs, PIREPs, and SIGMETs/AIRMETs from the NWS Aviation Weather Center.

Remote serverstreamable-httpGo

What is the Aviation MCP Server?

Fetch METARs, TAFs, PIREPs, and SIGMETs/AIRMETs from the NWS Aviation Weather Center.

What the server does

Declarative tool and prompt definitions — single file per primitive, framework handles registration and validation
Unified error handling — handlers throw, framework catches, classifies, and formats
Pluggable auth: none, jwt, oauth
Structured logging with optional OpenTelemetry tracing
STDIO and Streamable HTTP transports
Keyless — no API key or authentication required; all data is from the public AWC Data API

Credentials and setup notes

Bun v1.3.0 or higher (or Node.js v24+). - No API key required — the AWC Data API is fully public and keyless.

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

Tool	What it does
aviation_find_stations	Resolve airports and weather stations by ICAO ID, bounding box, or US state. Returns ICAO/IATA/FAA IDs, coordinates, elevation, and available data types.
aviation_get_metar	Get current weather observations (METARs) for one or more airports. Returns decoded wind, visibility, ceiling, temp/dewpoint, altimeter, cloud layers, flight category (VFR/MVFR/IFR/LIFR), and the raw METAR string.
aviation_get_taf	Get Terminal Aerodrome Forecasts for one or more airports. Returns each forecast period with valid times, wind, visibility, weather codes, and cloud layers, plus the raw TAF string.
aviation_get_pireps	Get recent Pilot Reports near an airport or within a bounding box. Returns decoded turbulence, icing, and cloud reports with altitude, aircraft type, intensity, and the raw PIREP string.
aviation_get_advisories	Get active SIGMETs and AIRMETs for a region. Returns hazard type (CONVECTIVE, TURBULENCE, ICING, IFR, MTN OBSCN), severity, altitude range, valid period, polygon coordinates, and raw text.

How to install the Aviation MCP Server

{
  "mcpServers": {
    "aviation-weather": {
      "type": "streamable-http",
      "url": "https://aviation-weather.caseyjhand.com/mcp"
    }
  }
}

Configuration as documented by the project. Restart the client after saving.

Configuration

Bun v1.3.0 or higher (or Node.js v24+). - No API key required — the AWC Data API is fully public and keyless.

Variable	Description	Required
MCP_TRANSPORT_TYPE	Configuration value read at startup.	Optional
MCP_LOG_LEVEL	Configuration value read at startup.	Optional
AWC_BASE_URL	Endpoint or connection string the server talks to.	Yes

Example prompts to try

“Use Aviation to aviation find stations.”
“Use Aviation to aviation get metar.”
“Use Aviation to aviation get taf.”

Frequently asked questions

Fetch METARs, TAFs, PIREPs, and SIGMETs/AIRMETs from the NWS Aviation Weather Center. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.

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