wgrib2-easy-mcp

Name: wgrib2-easy-mcp
Author: yskmasumoto

@yskmasumoto

wgrib2-easy-mcp について

An MCP server for executing wgrib2 commands from MCP Client. Designed with a simple approach where converted files are saved to a specific folder.

基本情報

カテゴリ

ファイルとストレージ

ランタイム

python

トランスポート

stdio

公開者

yskmasumoto

設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "wgrib2-easy-mcp": {
      "command": "uv",
      "args": [
        "pip",
        "install",
        "-r",
        "requirements.txt"
      ]
    }
  }
}

ツール

ツールは検出されませんでした

ツールは README から自動的に抽出されます。メンテナーは ## Tools という見出しの下に記載することで、このタブに反映できます。

概要

What is wgrib2-easy-mcp?

A simple MCP server designed to execute wgrib2 commands remotely via an MCP Client. Processed files are saved to a designated output directory. It is intended for users who need to interact with GRIB2 meteorological data files through a remote client interface.

How to use wgrib2-easy-mcp?

Clone the repository, install dependencies with uv pip install -r requirements.txt, and configure environment variables—notably the required OUTPUT_DIR (must exist before starting). Start the server with uv run --with python-dotenv --with mcp src/server.py. Connect your MCP Client and invoke the available tools, providing the path to a GRIB2 file. A sample script (src/sample/sample.py) demonstrates usage patterns.

Key features of wgrib2-easy-mcp

Execute wgrib2 commands via an MCP Client connection
Tools: list_contents, show_details, show_help
Configuration through environment variables (OUTPUT_DIR required)
Generated files saved to a designated output directory
Sample script for usage demonstration

Use cases of wgrib2-easy-mcp

List inventory of messages in a GRIB2 file
Show detailed information about GRIB2 file messages
Access wgrib2 help documentation remotely
Save results to a specified output directory for further analysis

FAQ from wgrib2-easy-mcp

What are the prerequisites for the server machine?

Python 3.x, git, uv (Python project manager), and wgrib2 installed and accessible in the system’s PATH are required. Also, an MCP Client environment must be able to connect to this server.

How do I configure wgrib2-easy-mcp?

Set the environment variable OUTPUT_DIR to an absolute path (the directory must exist before starting the server). Optionally set WGRIB2_PATH (defaults to wgrib2 in PATH) and TEST_GRIB2_FILE for the sample script.

What tools does wgrib2-easy-mcp expose?

Three stable MCP tools: list_contents (lists inventory), show_details (displays message details), and show_help (provides wgrib2 help documentation).

Are file extraction or conversion tools already available?

No. Element extraction and conversions to CSV/binary are currently under development and are only demonstrated in the sample script for illustration. Stable tools for these operations are not yet provided.

Where are output files saved?

All generated files (e.g., CSV, binary extracts) are saved directly into the directory specified by the OUTPUT_DIR environment variable on the server machine. This directory must exist before launching the server.

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