MCP.Market

Metar MCP server

by daedalus·io.github.daedalus/mcp-metar·v0.1.0
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MCP server for METAR/TAF aviation weather data

B82/100grade B
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Safety scan
B82/100

full report

Adoption
New

0 stars13 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Metar tools (3)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • get_airport_weather

    Fetch both METAR and TAF for an airport by ICAO code

  • get_metar

    Fetch current METAR weather data for an airport by ICAO code

  • get_taf

    Fetch TAF (Terminal Aerodrome Forecast) for an airport by ICAO code

Public scan report

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings
  • Code scan9 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 159 days ago8/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 82/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Metar compares

Against every graded Maps and travel MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
82/100
higher than 73% of 680 Maps and travel servers
Tools
3
the typical Maps and travel server has 6
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
13
more than 3% of 144 Maps and travel servers with a package

What its tools let an agent do: 3 read

Install Metar in Claude Code, Cursor or VS Code

claude mcp add mcp-metar -- uvx mcp-metar
Add to Cursor

What the publisher says

From the Metar repository's README, as published. We do not edit it. Read it on GitHub

mcp-metar

MCP server for METAR/TAF aviation weather data

mcp-name: io.github.daedalus/mcp-metar

Install

pip install mcp-metar

Usage

from mcp_metar import get_metar, get_taf, get_airport_weather

# Get current METAR for an airport
metar = get_metar("KJFK")
print(metar)

# Get TAF forecast
taf = get_taf("KJFK")
print(taf)

# Get both METAR and TAF
weather = get_airport_weather("KJFK")
print(weather["metar"])
print(weather["taf"])

MCP Server

This package provides an MCP server that can be used with MCP-compatible clients. Configure your client with:

{
  "mcpServers": {
    "mcp-metar": {
      "command": "mcp-metar",
      "env": {}
    }
  }
}

Available Tools

  • get_metar: Fetch current METAR weather data for an airport by ICAO code
  • get_taf: Fetch TAF (Terminal Aerodrome Forecast) for an airport by ICAO code
  • getairportweather: Fetch both METAR and TAF for an airport by ICAO code

Development

git clone https://github.com/daedalus/mcp-metar.git
cd mcp-metar
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# lint
ruff check src/ tests/

# type check
mypy src/

License

MIT

Nothing above is checked by us. What we check is on the safety report.

Metar: common questions

Is Metar MCP server safe?
Mostly: it is graded B (82/100). Read the Metar safety report
How do I install Metar?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Metar need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Metar maintained?
The last commit was 195 days ago (2026-04-21). The latest release is v0.1.0.
What can I use instead of Metar?
Servers from other publishers that do the same job: Aviation Weather MCP server, Weather Data MCP Server and Weather MCP Server.
How does Metar compare with other Maps and travel MCP servers?
safety score 82/100 (higher than 73% of 680 Maps and travel servers); tools 3 (the typical Maps and travel server has 6); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

Alternatives to Metar

Same job from other publishers: the closest match first, then the best rated.

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    More from cyanheads →
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    A
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