MudBlazorChip.razor

<MudContainer Class="pa-4" style="border:1px solid grey">
@foreach(var c in chips){
    <MudChip Text="@c" OnClose="Remove"></MudChip>
}
<MudTextField T="string" TextChanged="Add"/>
</MudContainer>

@code {
    private List<string> chips {get;set;} = new();
    
    private void Add(string value){
        chips.Add(value);
        StateHasChanged();
    }

    private void Remove(MudChip chip) {
        var value = chips.First(x=> x.Equals(chip.Text));
        chips.Remove(value);
    }
}