diff --git a/discord/src/commands/account.rs b/discord/src/commands/account.rs
index 2d5d6f3..2b81750 100644
--- a/discord/src/commands/account.rs
+++ b/discord/src/commands/account.rs
@@ -1,7 +1,7 @@
 use poise::serenity_prelude::User;
 use squad_quest::{SquadObject, account::Account, map::Map};
 
-use crate::{Context, Error, account::{account_full_balance, account_user_id, fetch_or_init_account}, strings::StringFormatter};
+use crate::{Context, Error, account::{account_full_balance, account_user_id, fetch_or_init_account}, strings::StringFormatter, commands::guild};
 
 async fn account_balance_string(
     ctx: &Context<'_>,
@@ -26,6 +26,7 @@ async fn account_balance_string(
     prefix_command,
     slash_command,
     guild_only,
+    check = "guild",
     required_permissions = "ADMINISTRATOR",
     name_localized("ru", "сбросить"),
     description_localized("ru", "Сбросить аккаунт пользователя, вкл. баланс, открытые комнаты и пройденные квесты"),
@@ -63,6 +64,7 @@ pub async fn reset(
     prefix_command,
     slash_command,
     guild_only,
+    check = "guild",
     name_localized("ru", "счет"),
     description_localized("ru", "Отобразить таблицу лидеров"),
 )]
@@ -106,6 +108,7 @@ pub async fn scoreboard(
     prefix_command,
     slash_command,
     guild_only,
+    check = "guild",
     subcommands("give", "set"),
     name_localized("ru", "баланс"),
 )]
@@ -120,6 +123,7 @@ pub async fn balance(
     prefix_command,
     slash_command,
     guild_only,
+    check = "guild",
     name_localized("ru", "передать"),
     description_localized("ru", "Передать очки другому пользователю"),
 )]
@@ -178,6 +182,7 @@ pub async fn give(
     prefix_command,
     slash_command,
     guild_only,
+    check = "guild",
     required_permissions = "ADMINISTRATOR",
     name_localized("ru", "установить"),
     description_localized("ru", "Устанавливает текущий баланс пользователя"),
diff --git a/discord/src/commands/answer.rs b/discord/src/commands/answer.rs
index 523db8f..2dd280a 100644
--- a/discord/src/commands/answer.rs
+++ b/discord/src/commands/answer.rs
@@ -1,13 +1,14 @@
 use poise::serenity_prelude::{Attachment, ComponentInteractionCollector, CreateActionRow, CreateAttachment, CreateButton, CreateMessage, EditMessage};
 use squad_quest::SquadObject;
 
-use crate::{Context, Error, account::fetch_or_init_account};
+use crate::{Context, Error, account::fetch_or_init_account, commands::guild};
 
 /// Send an answer to the quest for review
 #[poise::command(
     prefix_command,
     slash_command,
     guild_only,
+    check = "guild",
     name_localized("ru", "ответить"),
     description_localized("ru", "Отправить ответ на квест на проверку"),
 )]
diff --git a/discord/src/commands/init.rs b/discord/src/commands/init.rs
index fb6e6c3..b4fd02e 100644
--- a/discord/src/commands/init.rs
+++ b/discord/src/commands/init.rs
@@ -4,7 +4,7 @@ use poise::{CreateReply, serenity_prelude::ChannelId};
 use squad_quest::SquadObject;
 use toml::value::Time;
 
-use crate::{Context, Error, timer::DailyTimer};
+use crate::{Context, Error, timer::DailyTimer, commands::guild};
 
 /// Set channels to post quests and answers to
 #[poise::command(
@@ -12,6 +12,7 @@ use crate::{Context, Error, timer::DailyTimer};
     slash_command,
     required_permissions = "ADMINISTRATOR",
     guild_only,
+    check = "guild",
     name_localized("ru", "инит"),
     description_localized("ru", "Установить каналы для публикации квестов и ответов"),
 )]
@@ -75,6 +76,7 @@ fn seconds(time: Time) -> u64 {
     slash_command,
     required_permissions = "ADMINISTRATOR",
     guild_only,
+    check = "guild",
     name_localized("ru", "таймер"),
     description_localized("ru", "Включить таймер публикации по заданной временной метке UTC (МСК -3)"),
 )]
diff --git a/discord/src/commands/map.rs b/discord/src/commands/map.rs
index 064595d..e22f2e4 100644
--- a/discord/src/commands/map.rs
+++ b/discord/src/commands/map.rs
@@ -1,12 +1,13 @@
 use squad_quest::{SquadObject, map::Map};
 
-use crate::{Context, account::fetch_or_init_account, error::Error};
+use crate::{Context, account::fetch_or_init_account, error::Error, commands::guild};
 
 /// Unlock specified room if it is reachable and you have required amount of points
 #[poise::command(
     prefix_command,
     slash_command,
     guild_only,
+    check = "guild",
     name_localized("ru", "открыть"),
     description_localized("ru", "Открывает указанную комнату, если хватает очков и до нее можно добраться"),
 )]
@@ -55,6 +56,7 @@ pub async fn unlock(
     prefix_command,
     slash_command,
     guild_only,
+    check = "guild",
     name_localized("ru", "пойти"),
     description_localized("ru", "Переместиться в другую разблокированную комнату"),
 )]
diff --git a/discord/src/commands/mod.rs b/discord/src/commands/mod.rs
index 85d3ee8..b274168 100644
--- a/discord/src/commands/mod.rs
+++ b/discord/src/commands/mod.rs
@@ -1,5 +1,5 @@
 use std::error::Error as StdError;
-use poise::CreateReply;
+use poise::{CreateReply, serenity_prelude::GuildId};
 
 use crate::{Context, Data, Error};
 
@@ -10,6 +10,18 @@ pub mod social;
 pub mod account;
 pub mod map;
 
+pub async fn guild(ctx: Context<'_>) -> Result<bool, Error> {
+    let id = ctx.guild_id().expect("guild-only command");
+    let guard = ctx.data().discord.lock().expect("shouldn't be locked");
+    let expected_id = guard.guild;
+    
+    if expected_id != GuildId::default() && id != expected_id {
+        return Err(Error::NotThisGuild);
+    }
+
+    Ok(true)
+}
+
 #[poise::command(prefix_command)]
 pub async fn register(ctx: Context<'_>) -> Result<(), Error> {
     poise::builtins::register_application_commands_buttons(ctx).await?;
@@ -36,10 +48,17 @@ pub async fn error_handler(error: poise::FrameworkError<'_, Data, Error>) {
     eprintln!("ERROR:");
     print_error_recursively(&error);
     if let Some(ctx) = error.ctx() {
+        let user = ctx.author().display_name();
+        eprintln!("User: {user} ({id})", id = ctx.author().id);
+        
         let response = match error {
-            poise::FrameworkError::Command { error, .. } => format!("Internal server error: {error}"),
+            poise::FrameworkError::Command { error, .. } => {
+                eprintln!("Invokation string: {}", ctx.invocation_string());
+                format!("Internal server error: {error}")
+            },
             _ => format!("Internal server error: {error}"),
         };
+        
         if let Err(error) = ctx.send(CreateReply::default().content(response).ephemeral(true)).await {
             eprintln!("Couldn't send error message: {error}");
         }
diff --git a/discord/src/commands/quest.rs b/discord/src/commands/quest.rs
index 1d73544..489d70c 100644
--- a/discord/src/commands/quest.rs
+++ b/discord/src/commands/quest.rs
@@ -3,7 +3,7 @@ use std::{future, str::FromStr};
 use poise::serenity_prelude::{CreateMessage, EditMessage, Message, futures::StreamExt};
 use squad_quest::{SquadObject, quest::{Quest, QuestDifficulty}};
 use toml::value::Date;
-use crate::{Context, Error};
+use crate::{Context, Error,commands::guild};
 
 async fn find_quest_message(ctx: Context<'_>, id: u16) -> Result<Option<Message>, Error>{
     ctx.defer().await?;
@@ -34,6 +34,7 @@ fn make_quest_message_content(ctx: Context<'_>, quest: &Quest) -> String {
     prefix_command,
     slash_command,
     guild_only,
+    check = "guild",
     subcommands("list", "create", "update", "publish", "delete"),
     required_permissions = "ADMINISTRATOR",
     name_localized("ru", "квест"),
@@ -49,6 +50,7 @@ pub async fn quest(
     prefix_command,
     slash_command,
     guild_only,
+    check = "guild",
     required_permissions = "ADMINISTRATOR",
     name_localized("ru", "список"),
     description_localized("ru", "Вывести все квесты")
@@ -114,6 +116,7 @@ impl From<DateWrapper> for Date {
     slash_command,
     required_permissions = "ADMINISTRATOR",
     guild_only,
+    check = "guild",
     name_localized("ru", "создать"),
     description_localized("ru", "Создать квест и получить его идентификатор"),
 )]
@@ -202,6 +205,7 @@ pub async fn create(
     slash_command,
     required_permissions = "ADMINISTRATOR",
     guild_only,
+    check = "guild",
     name_localized("ru", "обновить"),
     description_localized("ru", "Обновить выбранные значения указанного квеста"),
 )]
@@ -339,6 +343,7 @@ pub async fn publish_inner(ctx: Context<'_>, quest: &mut Quest) -> Result<Messag
     slash_command,
     required_permissions = "ADMINISTRATOR",
     guild_only,
+    check = "guild",
     name_localized("ru", "опубликовать"),
     description_localized("ru", "Отметить квест как публичный и отправить его сообщение в канал квестов"),
 )]
@@ -378,6 +383,7 @@ pub async fn publish(
     slash_command,
     required_permissions = "ADMINISTRATOR",
     guild_only,
+    check = "guild",
     name_localized("ru", "удалить"),
     description_localized("ru", "Удалить квест (и его сообщение, если он был опубликован)"),
 )]
diff --git a/discord/src/commands/social.rs b/discord/src/commands/social.rs
index d2f22cb..3739ada 100644
--- a/discord/src/commands/social.rs
+++ b/discord/src/commands/social.rs
@@ -1,12 +1,13 @@
 use poise::serenity_prelude::{Attachment, ChannelId, CreateAttachment, CreateMessage, EditMessage, MessageId, UserId};
 
-use crate::{Context, Error};
+use crate::{Context, Error, commands::guild};
 
 #[poise::command(
     prefix_command,
     slash_command,
     required_permissions = "ADMINISTRATOR",
     guild_only,
+    check = "guild",
     subcommands("msg", "edit", "undo"),
     name_localized("ru", "сообщение"),
 )]
@@ -20,6 +21,7 @@ pub async fn social( _ctx: Context<'_> ) -> Result<(), Error> {
     slash_command,
     required_permissions = "ADMINISTRATOR",
     guild_only,
+    check = "guild",
     name_localized("ru", "написать"),
     description_localized("ru", "Отправить сообщение пользователю или в канал"),
 )]
@@ -98,6 +100,7 @@ pub async fn msg (
     slash_command,
     required_permissions = "ADMINISTRATOR",
     guild_only,
+    check = "guild",
     name_localized("ru", "редактировать"),
     description_localized("ru", "Редактировать сообщение в канале или в ЛС"),
 )]
@@ -177,6 +180,7 @@ pub async fn edit (
     slash_command,
     required_permissions = "ADMINISTRATOR",
     guild_only,
+    check = "guild",
     name_localized("ru", "удалить"),
     description_localized("ru", "Удалить сообщение в канале или в ЛС"),
 )]
diff --git a/discord/src/error.rs b/discord/src/error.rs
index 8d8b442..fe80e0d 100644
--- a/discord/src/error.rs
+++ b/discord/src/error.rs
@@ -21,6 +21,7 @@ pub enum Error {
     RoomAlreadyUnlocked(u16),
     CannotReach(u16),
     TimerSet,
+    NotThisGuild,
 }
 
 impl From<serenity::Error> for Error {
@@ -65,6 +66,7 @@ impl Display for Error {
             Self::RoomAlreadyUnlocked(id) => write!(f, "room #{id} is already unlocked for this user"),
             Self::CannotReach(id) => write!(f, "user cannot reach room #{id}"),
             Self::TimerSet => write!(f, "timer is already set"),
+            Self::NotThisGuild => write!(f, "cannot be used in this guild"),
         }
     }
 }
@@ -84,7 +86,8 @@ impl std::error::Error for Error {
             Self::RoomNotFound(_) |
             Self::RoomAlreadyUnlocked(_) |
             Self::CannotReach(_) |
-            Self::TimerSet => None,
+            Self::TimerSet |
+            Self::NotThisGuild => None,
             Self::SerenityError(error) => Some(error),
             Self::SquadQuestError(error) => Some(error),
         }