
Echo Hello MCP Server
A simple MCP server sample that provides a greeting tool which echoes back a personalized Japanese greeting message. Demonstrates basic MCP server implementation using FastMCP framework.
README
MCPサーバーのサンプル
動作環境
- Windows11 Pro 23H2
- Python 3.13.2
- uv 0.6.12
事前準備
- Visual Studio Codeのインストール
- Pythonのインストール
- uvコマンドのインストール
uvコマンドのインストール
PowerShellから下記コマンドを実行する
powershell -ExecutionPolicy ByPass -c "irm https://astral.sh/uv/install.ps1 | iex"
初回のプロジェクト作成
# プロジェクトの新規作成
uv init echo_hello
cd echo_hello
# Python仮想環境を使用
uv venv
.venv\Scripts\activate
# 依存関係をインストールする
uv add mcp[cli] httpx
# MCPサーバーのソースコード作成
# 今回は「hello.py」とする
new-item hello.py
MCPサーバー本体をPythonで作成
from typing import Any
import httpx
from mcp.server.fastmcp import FastMCP
# FastMCPサーバーの初期化
mcp = FastMCP("echo_hello")
# FastMCPサーバーが呼び出された時の処理
@mcp.tool()
async def echo_hello(name: str) -> str:
# 今回は「コンニチハ、{プロンプトから渡された値}!!!!」と返すだけ
return f"コンニチハ, {name}!!!!"
if __name__ == "__main__":
# 初期化とサーバー実行
mcp.run(transport='stdio')
MCPサーバーの登録
ファイル:C:\Users\%USERPROFILE%\AppData\Roaming\Code\User\settings.json
~省略~
"mcp": {
"inputs": [],
"servers": {
"echo_hello": {
"command": "uv",
"args": [
"--directory",
"C:\\Workspace\\mcp\\mcp_server_demo\\echo_hello",
"run",
"echo_hello.py"
]
}
}
},
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