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@shivaduke28/gmail-mcp

v1.2.2

Published

Gmail MCP server

Downloads

782

Readme

@shivaduke28/gmail-mcp

Gmail API の MCP (Model Context Protocol) サーバー。

OAuth スコープは gmail.modify のみ。送信・削除はできません。

Tools

| ツール | 説明 | |---|---| | search-messages | Gmail 検索クエリでメール一覧を取得する(TOON形式) | | get-messages | メッセージIDから本文を含む詳細を一括取得する | | get-threads | スレッドIDからスレッド全体を一括取得する | | create-draft | 下書きを作成する(返信にも対応) | | modify-labels | ラベルの追加・削除(アーカイブ = INBOX 削除) | | list-labels | 利用可能なラベル一覧を取得する |

レスポンスは TOON 形式で返されます。

Setup

1. GCP プロジェクトの準備

  1. Google Cloud Console でプロジェクトを作成
  2. Gmail API を有効化
  3. OAuth 同意画面を設定
  4. OAuth 2.0 クライアント ID を作成(デスクトップアプリ)
  5. 認証情報の JSON ファイルをダウンロード → credentials.json として保存

2. 使い方

npx(推奨)

{
  "mcpServers": {
    "gmail": {
      "command": "npx",
      "args": ["-y", "@shivaduke28/gmail-mcp"],
      "env": {
        "GOOGLE_OAUTH_CREDENTIALS": "/path/to/credentials.json"
      }
    }
  }
}

ソースから実行

pnpm install
pnpm -r build
{
  "mcpServers": {
    "gmail": {
      "command": "node",
      "args": ["/path/to/google-mcp/packages/gmail/dist/index.js"],
      "env": {
        "GOOGLE_OAUTH_CREDENTIALS": "/path/to/credentials.json"
      }
    }
  }
}

3. 環境変数

| 変数 | 必須 | 説明 | |---|---|---| | GOOGLE_OAUTH_CREDENTIALS | Yes | OAuth クライアント認証情報の JSON ファイルパス |

4. 認証

初回起動時にブラウザが開き、Google アカウントでの認証を求められます。認証後、トークンは ~/.config/gmail-mcp/tokens.json に自動保存され、以降はブラウザ認証なしで起動できます。

PKCE (Proof Key for Code Exchange) に対応しています。

Gmail 検索クエリの例

from:[email protected]
to:[email protected]
subject:会議
is:unread
has:attachment
newer_than:7d
after:2026/01/01
label:INBOX

組み合わせも可能: from:example.com subject:請求書 after:2026/01/01

Development

pnpm install
pnpm --filter @shivaduke28/gmail-mcp dev          # tsx で開発実行
pnpm --filter @shivaduke28/gmail-mcp build        # tsc でビルド
pnpm --filter @shivaduke28/gmail-mcp typecheck    # 型チェック

License

ISC