diff --git a/src/platforms/github/github-user.ts b/src/platforms/github/github-user.ts
new file mode 100644
index 0000000..b8c2e98
--- /dev/null
+++ b/src/platforms/github/github-user.ts
@@ -0,0 +1,94 @@
+/**
+ * GitHub user definition.
+ */
+export interface GitHubUser {
+    /**
+     * The GitHub username.
+     */
+    login: string;
+
+    /**
+     * The user's GitHub ID.
+     */
+    id: number;
+
+    /**
+     * The user's node ID in the GitHub API.
+     */
+    node_id: string;
+
+    /**
+     * The URL of the user's avatar image.
+     */
+    avatar_url: string;
+
+    /**
+     * The user's gravatar ID.
+     */
+    gravatar_id: string;
+
+    /**
+     * The URL of the user in the GitHub API.
+     */
+    url: string;
+
+    /**
+     * The URL of the user on GitHub's website.
+     */
+    html_url: string;
+
+    /**
+     * The URL of the user's followers in the GitHub API.
+     */
+    followers_url: string;
+
+    /**
+     * The URL of the user's following in the GitHub API.
+     */
+    following_url: string;
+
+    /**
+     * The URL of the user's gists in the GitHub API.
+     */
+    gists_url: string;
+
+    /**
+     * The URL of the user's starred repositories in the GitHub API.
+     */
+    starred_url: string;
+
+    /**
+     * The URL of the user's subscriptions in the GitHub API.
+     */
+    subscriptions_url: string;
+
+    /**
+     * The URL of the user's organizations in the GitHub API.
+     */
+    organizations_url: string;
+
+    /**
+     * The URL of the user's repositories in the GitHub API.
+     */
+    repos_url: string;
+
+    /**
+     * The URL of the user's events in the GitHub API.
+     */
+    events_url: string;
+
+    /**
+     * The URL of the user's received events in the GitHub API.
+     */
+    received_events_url: string;
+
+    /**
+     * The type of the user (e.g., 'User' or 'Bot').
+     */
+    type: string;
+
+    /**
+     * A boolean indicating whether the user is a site admin.
+     */
+    site_admin: boolean;
+}