diff --git a/TODO.md b/TODO.md
index 3cf7e08..1786425 100644
--- a/TODO.md
+++ b/TODO.md
@@ -33,7 +33,7 @@
 
 - [ ] Move all assets to gh
 
-- [ ] Add codepreview for pull requests
+- [x] Add codepreview for pull requests
 
 - [x] Add try it and see command
 
diff --git a/cogs/fun/__init__.py b/cogs/fun/__init__.py
index 18420de..037a493 100644
--- a/cogs/fun/__init__.py
+++ b/cogs/fun/__init__.py
@@ -1,4 +1,5 @@
 import discord
+from discord import app_commands
 from discord.ext import commands
 from discord.ext.commands import Context
 
@@ -8,6 +9,9 @@ from .minesweeper import minesweeper_command
 from .randomfact import randomfact_command
 from .rockpaperscissors import rps_command
 
+
+@app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+@app_commands.allowed_installs(guilds=True, users=True)
 class Fun(commands.GroupCog, name="fun"):
     def __init__(self, bot) -> None:
         self.bot = bot
@@ -66,6 +70,8 @@ class Fun(commands.GroupCog, name="fun"):
         name="coinflip",
         description="Make a coin flip, but give your bet before."
     )
+    @app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+    @app_commands.allowed_installs(guilds=True, users=True)
     async def coinflip(self, context):
         return await coinflip_command()(self, context)
 
@@ -74,6 +80,8 @@ class Fun(commands.GroupCog, name="fun"):
         name="8ball",
         description="Ask any question to the bot.",
     )
+    @app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+    @app_commands.allowed_installs(guilds=True, users=True)
     async def eight_ball(self, context, *, question: str):
         return await eightball_command()(self, context, question=question)
 
@@ -82,11 +90,15 @@ class Fun(commands.GroupCog, name="fun"):
         name="minesweeper", 
         description="Play a buttoned minesweeper mini-game."
     )
+    @app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+    @app_commands.allowed_installs(guilds=True, users=True)
     async def minesweeper(self, context):
         return await minesweeper_command()(self, context)
 
     @commands.check(_require_group_prefix)
     @commands.hybrid_command(name="randomfact", description="Get a random fact.")
+    @app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+    @app_commands.allowed_installs(guilds=True, users=True)
     async def randomfact(self, context):
         return await randomfact_command()(self, context)
 
@@ -94,6 +106,8 @@ class Fun(commands.GroupCog, name="fun"):
     @commands.hybrid_command(
         name="rps", description="Play the rock paper scissors game against the bot."
     )
+    @app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+    @app_commands.allowed_installs(guilds=True, users=True)
     async def rock_paper_scissors(self, context):
         return await rps_command()(self, context)
 
diff --git a/cogs/general/__init__.py b/cogs/general/__init__.py
index 56826ff..e83d69a 100644
--- a/cogs/general/__init__.py
+++ b/cogs/general/__init__.py
@@ -20,6 +20,9 @@ def _require_group_prefix(context: Context) -> bool:
     content = context.message.content.strip().lower()
     return content.startswith(f"{prefix}{group} ")
 
+
+@app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+@app_commands.allowed_installs(guilds=True, users=True)
 class General(commands.GroupCog, name="general"):
     def __init__(self, bot) -> None:
         self.bot = bot
diff --git a/cogs/idevice/__init__.py b/cogs/idevice/__init__.py
index de3ad81..57d74c6 100644
--- a/cogs/idevice/__init__.py
+++ b/cogs/idevice/__init__.py
@@ -9,6 +9,9 @@ from .developermode import developermode_command
 from .noapps import noapps_command
 from .mountddi import mountddi_command
 
+
+@app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+@app_commands.allowed_installs(guilds=True, users=True)
 class Idevice(commands.GroupCog, name="idevice"):
     def __init__(self, bot) -> None:
         self.bot = bot
diff --git a/cogs/media/__init__.py b/cogs/media/__init__.py
index f91057e..fae9fce 100644
--- a/cogs/media/__init__.py
+++ b/cogs/media/__init__.py
@@ -1,4 +1,5 @@
 import discord
+from discord import app_commands
 from discord.ext import commands
 from discord.ext.commands import Context
 from typing import Optional
@@ -20,6 +21,9 @@ def _require_group_prefix(context: Context) -> bool:
     content = context.message.content.strip().lower()
     return content.startswith(f"{prefix}{group} ")
 
+
+@app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+@app_commands.allowed_installs(guilds=True, users=True)
 class Media(commands.GroupCog, name="media"):
     def __init__(self, bot) -> None:
         self.bot = bot
diff --git a/cogs/melonx/__init__.py b/cogs/melonx/__init__.py
index 8b3a753..537e599 100644
--- a/cogs/melonx/__init__.py
+++ b/cogs/melonx/__init__.py
@@ -11,6 +11,9 @@ from .requirements import requirements_command
 from .error import error_command
 from .ios26 import ios26_command
 
+
+@app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+@app_commands.allowed_installs(guilds=True, users=True)
 class Melonx(commands.GroupCog, name="melonx"):
     def __init__(self, bot) -> None:
         self.bot = bot
diff --git a/cogs/miscellaneous/__init__.py b/cogs/miscellaneous/__init__.py
index dabb387..b3cecbd 100644
--- a/cogs/miscellaneous/__init__.py
+++ b/cogs/miscellaneous/__init__.py
@@ -1,4 +1,5 @@
 import discord
+from discord import app_commands
 from discord.ext import commands
 from discord.ext.commands import Context
 
@@ -13,6 +14,9 @@ from .support import support_command
 from .docs import docs_command
 from .sigma import sigma_command
 
+
+@app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+@app_commands.allowed_installs(guilds=True, users=True)
 class Miscellaneous(commands.GroupCog, name="misc"):
     def __init__(self, bot) -> None:
         self.bot = bot
diff --git a/cogs/moderation/__init__.py b/cogs/moderation/__init__.py
index daec7b7..350a737 100644
--- a/cogs/moderation/__init__.py
+++ b/cogs/moderation/__init__.py
@@ -12,6 +12,9 @@ from .hackban import hackban_command
 from .nick import nick_command
 from .timeout import timeout_command
 
+
+@app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+@app_commands.allowed_installs(guilds=True, users=True)
 class Moderation(commands.GroupCog, name="moderation"):
     def __init__(self, bot) -> None:
         self.bot = bot
diff --git a/cogs/sidestore/__init__.py b/cogs/sidestore/__init__.py
index 6c28437..7b0049d 100644
--- a/cogs/sidestore/__init__.py
+++ b/cogs/sidestore/__init__.py
@@ -14,6 +14,9 @@ from .udid import udid_command
 from .half import half_command
 from .sparse import sparse_command
 
+
+@app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+@app_commands.allowed_installs(guilds=True, users=True)
 class Sidestore(commands.GroupCog, name="sidestore"):
     def __init__(self, bot) -> None:
         self.bot = bot
diff --git a/cogs/utilities/__init__.py b/cogs/utilities/__init__.py
index 94f66b0..c05a9fa 100644
--- a/cogs/utilities/__init__.py
+++ b/cogs/utilities/__init__.py
@@ -7,6 +7,9 @@ from .translate import translate_command, language_autocomplete
 from .codepreview import codepreview_command
 from .dictionary import dictionary_command
 
+
+@app_commands.allowed_contexts(guilds=True, dms=True, private_channels=True)
+@app_commands.allowed_installs(guilds=True, users=True)
 class Utilities(commands.GroupCog, name="utils"):
     def __init__(self, bot) -> None:
         self.bot = bot
diff --git a/database/__init__.py b/database/__init__.py
index 80ebe15..f5c3abb 100644
--- a/database/__init__.py
+++ b/database/__init__.py
@@ -1,5 +1,3 @@
-# Copyright © Krypton 2019-Present - https://github.com/kkrypt0nn/Python-Discord-Bot-Template/blob/main/database/__init__.py
-
 import aiosqlite
 
 
diff --git a/database/schema.sql b/database/schema.sql
index 892c418..52b109e 100644
--- a/database/schema.sql
+++ b/database/schema.sql
@@ -1,5 +1,3 @@
--- Copyright © Krypton 2019-Present - https://github.com/kkrypt0nn/Python-Discord-Bot-Template/blob/main/database/schema.sql
-
 CREATE TABLE IF NOT EXISTS `warns` (
   `id` int(11) NOT NULL,
   `user_id` varchar(20) NOT NULL,