diff --git a/internal/cli/root.go b/internal/cli/root.go
index 52dba4c..711df09 100644
--- a/internal/cli/root.go
+++ b/internal/cli/root.go
@@ -54,11 +54,52 @@ var logoutCmd = &cobra.Command{
 	Run:   runLogout,
 }
 
+var inboxCmd = &cobra.Command{
+	Use:   "inbox",
+	Short: "View your termail inbox",
+	Long:  "View, search, and manage your termail inbox.",
+	Run:   runInbox,
+}
+
+var inboxReadCmd = &cobra.Command{
+	Use:   "read [termail_id]",
+	Short: "Mark termail as read",
+	Long:  "Mark a specific termail as read by ID.",
+	Args:  cobra.ExactArgs(1),
+	Run:   runInboxRead,
+}
+
+var inboxDeleteCmd = &cobra.Command{
+	Use:   "delete [termail_id]",
+	Short: "Delete termail",
+	Long:  "Delete a specific termail by ID.",
+	Args:  cobra.ExactArgs(1),
+	Run:   runInboxDelete,
+}
+
+var sendCmd = &cobra.Command{
+	Use:   "send [username]",
+	Short: "Send termail to a user",
+	Long:  "Send termail to a specific user by username.",
+	Args:  cobra.ExactArgs(1),
+	Run:   runSend,
+}
+
 func init() {
+	inboxCmd.Flags().StringP("search", "s", "", "Search termails by content, subject, or sender")
+	inboxCmd.Flags().IntP("limit", "l", 10, "Number of termails to show")
+	inboxCmd.Flags().IntP("offset", "o", 0, "Number of termails to skip")
+	inboxCmd.Flags().Bool("unread", false, "Show only unread termails")
+
+	inboxCmd.AddCommand(inboxReadCmd)
+	inboxCmd.AddCommand(inboxDeleteCmd)
+
 	authCmd.AddCommand(registerCmd)
 	authCmd.AddCommand(loginCmd)
 	authCmd.AddCommand(logoutCmd)
 	rootCmd.AddCommand(authCmd)
+	rootCmd.AddCommand(inboxCmd)
+	rootCmd.AddCommand(sendCmd)
 }
 
 func Execute() error {