diff --git a/src/PallasBot.Application.Command/SlashCommands/UserCommands.cs b/src/PallasBot.Application.Command/SlashCommands/UserCommands.cs
new file mode 100644
index 0000000..5797cfe
--- /dev/null
+++ b/src/PallasBot.Application.Command/SlashCommands/UserCommands.cs
@@ -0,0 +1,111 @@
+using Discord;
+using Discord.Interactions;
+using Microsoft.EntityFrameworkCore;
+using PallasBot.Domain.Entities;
+using PallasBot.EntityFrameworkCore;
+
+namespace PallasBot.Application.Command.SlashCommands;
+
+[CommandContextType(InteractionContextType.Guild)]
+[DefaultMemberPermissions(GuildPermission.Administrator)]
+[Group("user", "User operation commands")]
+public class UserCommands : InteractionModuleBase
+{
+    private readonly PallasBotDbContext _dbContext;
+
+    public UserCommands(PallasBotDbContext dbContext)
+    {
+        _dbContext = dbContext;
+    }
+
+    [SlashCommand("get-info", "Get user info.")]
+    public async Task GetInfoAsync(
+        [Summary(description: "The user to get info.")] IUser user)
+    {
+        var guildId = Context.Guild.Id;
+        var userId = user.Id;
+
+        var embedBuilder = new EmbedBuilder()
+            .WithColor(Color.Blue)
+            .WithTitle("User info")
+            .WithImageUrl(user.GetDisplayAvatarUrl());
+
+        embedBuilder.AddField("User ID", userId.ToString(), true);
+        embedBuilder.AddField("Username", user.Username, true);
+
+        var cache = await _dbContext.DiscordUserRoles
+            .FirstOrDefaultAsync(x => x.GuildId == guildId && x.UserId == userId);
+        if (cache is not null)
+        {
+            var roles = string.Join(' ', cache.RoleIds.Select(MentionUtils.MentionRole));
+            embedBuilder.AddField("Cached Roles", roles, true);
+            embedBuilder.AddField("Cached Roles Update", cache.UpdateAt.ToString("u"));
+        }
+
+        var binding = _dbContext.DiscordUserBindings
+            .FirstOrDefault(x => x.GuildId == guildId && x.DiscordUserId == userId);
+        if (binding is not null)
+        {
+            embedBuilder.AddField("GitHub ID", binding.GitHubUserId, true);
+            embedBuilder.AddField("GitHub Login", binding.GitHubLogin, true);
+
+            var contributions = await _dbContext.GitHubContributors
+                .Where(x => x.GitHubLogin == binding.GitHubLogin)
+                .ToListAsync();
+            var isMember = await _dbContext.GitHubOrganizationMembers
+                .AnyAsync(x => x.GitHubLogin == binding.GitHubLogin);
+
+            var contributionRepos = string.Join(", ", contributions.Select(x => x.Repository));
+
+            embedBuilder.AddField("Is MAA Member", isMember.ToString(), true);
+            embedBuilder.AddField("Contributions", contributionRepos, true);
+        }
+
+        var embed = embedBuilder.Build();
+
+        await RespondAsync(embed: embed);
+    }
+
+    [SlashCommand("bind-github", "Force to bind GitHub account.")]
+    public async Task BindGitHubAsync(
+        [Summary(description: "The user to bind GitHub account.")] IUser user,
+        [Summary(description: "GitHub login name")] string loginName,
+        [Summary(description: "GitHub user ID")] ulong userId)
+    {
+        var guildId = Context.Guild.Id;
+        var discordUserId = user.Id;
+
+        var existingBinding = await _dbContext.DiscordUserBindings
+            .FirstOrDefaultAsync(x => x.GuildId == guildId && x.DiscordUserId == discordUserId);
+        if (existingBinding is not null)
+        {
+            existingBinding.GitHubLogin = loginName;
+            existingBinding.GitHubUserId = userId;
+
+            _dbContext.Update(existingBinding);
+        }
+        else
+        {
+            await _dbContext.AddAsync(new DiscordUserBinding
+            {
+                GuildId = guildId,
+                DiscordUserId = discordUserId,
+                GitHubUserId = userId,
+                GitHubLogin = loginName,
+            });
+        }
+
+        await _dbContext.SaveChangesAsync();
+
+        var embed = new EmbedBuilder()
+            .WithTitle("GitHub Account Binding (ADMIN OPERATION)")
+            .AddField("Discord User ID", discordUserId, true)
+            .AddField("Discord User", Context.User.Username, true)
+            .AddField("GitHub User ID", userId, true)
+            .AddField("GitHub Login", loginName, true)
+            .WithColor(Color.Blue)
+            .Build();
+
+        await RespondAsync(embed: embed);
+    }
+}