i-icc/mcp-server-test
3.1
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The MCP server test involves setting up a Model Context Protocol server using Python, specifically with pyenv for environment management.
mcp-server-test
MCP サーバーのテスト
公式だと uv を使用して環境構築している
pyenv でやりたい
https://modelcontextprotocol.io/quickstart/server
まずは好きなバージョンのpython をインストール
Python 3.10 or higher installed.
と言われているのでとりあえず 3.11.5 をインストール
global で設定
コードはそのまま
MCPの設定
{
"mcpServers": {
"weather": {
"command": "python",
"args": [
"MY-PATH/mcp-server-test/src/main.py"
]
}
}
}
すると下記のエラーが
2025-04-15T14:13:02.862Z [weather] [info] Initializing server...
2025-04-15T14:13:02.891Z [weather] [error] spawn python ENOENT {"context":"connection","stack":"Error: spawn python ENOENT\n at ChildProcess._handle.onexit (node:internal/child_process:285:19)\n at onErrorNT (node:internal/child_process:483:16)\n at process.processTicksAndRejections (node:internal/process/task_queues:82:21)"}
2025-04-15T14:13:02.891Z [weather] [error] spawn python ENOENT {"stack":"Error: spawn python ENOENT\n at ChildProcess._handle.onexit (node:internal/child_process:285:19)\n at onErrorNT (node:internal/child_process:483:16)\n at process.processTicksAndRejections (node:internal/process/task_queues:82:21)"}
2025-04-15T14:13:02.896Z [weather] [info] Server transport closed
2025-04-15T14:13:02.896Z [weather] [info] Client transport closed
2025-04-15T14:13:02.896Z [weather] [info] Server transport closed unexpectedly, this is likely due to the process exiting early. If you are developing this MCP server you can add output to stderr (i.e. `console.error('...')` in JavaScript, `print('...', file=sys.stderr)` in python) and it will appear in this log.
2025-04-15T14:13:02.896Z [weather] [error] Server disconnected. For troubleshooting guidance, please visit our [debugging documentation](https://modelcontextprotocol.io/docs/tools/debugging) {"context":"connection"}
python コマンドがないとのことなので下記に修正します
$ which python
MY-PATH/.pyenv/shims/python
{
"mcpServers": {
"weather": {
"command": "MY-PATH/.pyenv/shims/python",
"args": [
"MY-PATH/mcp-server-test/src/main.py"
]
}
}
}
