Inviting a collaborator to a personal repository
You can send an invitation to collaborate in your repository directly to someone on GitHub, or to the person's email address.
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Ask for the username of the person you're inviting as a collaborator. If they don't have a username yet, they can sign up for GitHub. For more information, see GitHub でのアカウントの作成. 
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GitHub で、リポジトリのメイン ページに移動します。 
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リポジトリ名の下にある [Settings] をクリックします。 [設定] タブが表示されない場合は、 [] ドロップダウン メニューを選び、 [設定] をクリックします。 ![タブを示すリポジトリ ヘッダーのスクリーンショット。 [設定] タブが濃いオレンジ色の枠線で強調表示されています。](/assets/cb-28260/images/help/repository/repo-actions-settings.png) 
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In the "Access" section of the sidebar, click Collaborators. 
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Click Add people. 
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In the search field, start typing the name of person you want to invite, then click a name in the list of matches. 
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Click Add NAME to REPOSITORY. 
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The user will receive an email inviting them to the repository. Once they accept your invitation, they will have collaborator access to your repository. 
Next steps
- For reference information, see Permission levels for a personal account repository