diff --git a/QSB/Animation/Player/AnimationSync.cs b/QSB/Animation/Player/AnimationSync.cs
index e7e1d18a..035ff2d3 100644
--- a/QSB/Animation/Player/AnimationSync.cs
+++ b/QSB/Animation/Player/AnimationSync.cs
@@ -12,6 +12,7 @@ using UnityEngine;
 
 namespace QSB.Animation.Player;
 
+[UsedInUnityProject]
 public class AnimationSync : PlayerSyncObject
 {
 	private RuntimeAnimatorController _suitedAnimController;
diff --git a/QSB/Animation/Player/PlayerHeadRotationSync.cs b/QSB/Animation/Player/PlayerHeadRotationSync.cs
index cc41f8d5..d5f4867b 100644
--- a/QSB/Animation/Player/PlayerHeadRotationSync.cs
+++ b/QSB/Animation/Player/PlayerHeadRotationSync.cs
@@ -4,6 +4,7 @@ using UnityEngine;
 
 namespace QSB.Animation.Player;
 
+[UsedInUnityProject]
 public class PlayerHeadRotationSync : MonoBehaviour
 {
 	private Animator _attachedAnimator;
diff --git a/QSB/Animation/Player/Thrusters/JetpackAccelerationSync.cs b/QSB/Animation/Player/Thrusters/JetpackAccelerationSync.cs
index 4ce65696..c8b6c55a 100644
--- a/QSB/Animation/Player/Thrusters/JetpackAccelerationSync.cs
+++ b/QSB/Animation/Player/Thrusters/JetpackAccelerationSync.cs
@@ -1,8 +1,10 @@
 using Mirror;
+using QSB.Utility;
 using QSB.Utility.VariableSync;
 
 namespace QSB.Animation.Player.Thrusters;
 
+[UsedInUnityProject]
 public class JetpackAccelerationSync : NetworkBehaviour
 {
 	public Vector3VariableSyncer AccelerationVariableSyncer;
diff --git a/QSB/Animation/Player/Thrusters/RemoteThrusterFlameController.cs b/QSB/Animation/Player/Thrusters/RemoteThrusterFlameController.cs
index 999e3914..3f3e2280 100644
--- a/QSB/Animation/Player/Thrusters/RemoteThrusterFlameController.cs
+++ b/QSB/Animation/Player/Thrusters/RemoteThrusterFlameController.cs
@@ -1,9 +1,11 @@
 using QSB.Player;
+using QSB.Utility;
 using QSB.WorldSync;
 using UnityEngine;
 
 namespace QSB.Animation.Player.Thrusters;
 
+[UsedInUnityProject]
 internal class RemoteThrusterFlameController : MonoBehaviour
 {
 	[SerializeField]
diff --git a/QSB/Animation/Player/Thrusters/RemoteThrusterParticlesBehaviour.cs b/QSB/Animation/Player/Thrusters/RemoteThrusterParticlesBehaviour.cs
index b28c9f66..535ce1a4 100644
--- a/QSB/Animation/Player/Thrusters/RemoteThrusterParticlesBehaviour.cs
+++ b/QSB/Animation/Player/Thrusters/RemoteThrusterParticlesBehaviour.cs
@@ -4,6 +4,7 @@ using UnityEngine;
 
 namespace QSB.Animation.Player.Thrusters;
 
+[UsedInUnityProject]
 internal class RemoteThrusterParticlesBehaviour : MonoBehaviour
 {
 	[SerializeField]
diff --git a/QSB/Animation/Player/Thrusters/RemoteThrusterWashController.cs b/QSB/Animation/Player/Thrusters/RemoteThrusterWashController.cs
index ffa1dd60..0b41d519 100644
--- a/QSB/Animation/Player/Thrusters/RemoteThrusterWashController.cs
+++ b/QSB/Animation/Player/Thrusters/RemoteThrusterWashController.cs
@@ -4,6 +4,7 @@ using UnityEngine;
 
 namespace QSB.Animation.Player.Thrusters;
 
+[UsedInUnityProject]
 internal class RemoteThrusterWashController : MonoBehaviour
 {
 	[SerializeField]
diff --git a/QSB/Audio/QSBJetpackThrusterAudio.cs b/QSB/Audio/QSBJetpackThrusterAudio.cs
index e43f0b41..8cd38ae6 100644
--- a/QSB/Audio/QSBJetpackThrusterAudio.cs
+++ b/QSB/Audio/QSBJetpackThrusterAudio.cs
@@ -1,5 +1,8 @@
-namespace QSB.Audio;
+using QSB.Utility;
 
+namespace QSB.Audio;
+
+[UsedInUnityProject]
 internal class QSBJetpackThrusterAudio : QSBThrusterAudio
 {
 	public OWAudioSource _underwaterSource;
diff --git a/QSB/Audio/QSBPlayerAudioController.cs b/QSB/Audio/QSBPlayerAudioController.cs
index c5ebe457..9030065c 100644
--- a/QSB/Audio/QSBPlayerAudioController.cs
+++ b/QSB/Audio/QSBPlayerAudioController.cs
@@ -1,7 +1,9 @@
-using UnityEngine;
+using QSB.Utility;
+using UnityEngine;
 
 namespace QSB.Audio;
 
+[UsedInUnityProject]
 public class QSBPlayerAudioController : MonoBehaviour
 {
 	public OWAudioSource _oneShotExternalSource;
diff --git a/QSB/Player/PlayerHUDMarker.cs b/QSB/Player/PlayerHUDMarker.cs
index e680bb12..82131999 100644
--- a/QSB/Player/PlayerHUDMarker.cs
+++ b/QSB/Player/PlayerHUDMarker.cs
@@ -3,6 +3,7 @@ using UnityEngine;
 
 namespace QSB.Player;
 
+[UsedInUnityProject]
 public class PlayerHUDMarker : HUDDistanceMarker
 {
 	private PlayerInfo _player;
diff --git a/QSB/Player/PlayerMapMarker.cs b/QSB/Player/PlayerMapMarker.cs
index 07f87890..4d35a734 100644
--- a/QSB/Player/PlayerMapMarker.cs
+++ b/QSB/Player/PlayerMapMarker.cs
@@ -1,7 +1,9 @@
-using UnityEngine;
+using QSB.Utility;
+using UnityEngine;
 
 namespace QSB.Player;
 
+[UsedInUnityProject]
 public class PlayerMapMarker : MonoBehaviour
 {
 	private PlayerInfo _player;
diff --git a/QSB/Player/RemotePlayerFluidDetector.cs b/QSB/Player/RemotePlayerFluidDetector.cs
index 50def10e..a732999c 100644
--- a/QSB/Player/RemotePlayerFluidDetector.cs
+++ b/QSB/Player/RemotePlayerFluidDetector.cs
@@ -7,6 +7,7 @@ using UnityEngine;
 
 namespace QSB.Player;
 
+[UsedInUnityProject]
 public class RemotePlayerFluidDetector : PriorityDetector
 {
 	private SplashEffect[] _splashEffects;
diff --git a/QSB/Player/RemotePlayerVelocity.cs b/QSB/Player/RemotePlayerVelocity.cs
index 5b5c87f0..80d6c251 100644
--- a/QSB/Player/RemotePlayerVelocity.cs
+++ b/QSB/Player/RemotePlayerVelocity.cs
@@ -1,7 +1,9 @@
-using UnityEngine;
+using QSB.Utility;
+using UnityEngine;
 
 namespace QSB.Player;
 
+[UsedInUnityProject]
 public class RemotePlayerVelocity : MonoBehaviour
 {
 	private Vector3 _prevRelPosition;
diff --git a/QSB/Player/TransformSync/PlayerTransformSync.cs b/QSB/Player/TransformSync/PlayerTransformSync.cs
index 496e2395..52fc4d7d 100644
--- a/QSB/Player/TransformSync/PlayerTransformSync.cs
+++ b/QSB/Player/TransformSync/PlayerTransformSync.cs
@@ -12,6 +12,7 @@ using Gizmos = Popcron.Gizmos;
 
 namespace QSB.Player.TransformSync;
 
+[UsedInUnityProject]
 public class PlayerTransformSync : SectoredTransformSync
 {
 	protected override bool IsPlayerObject => true;
diff --git a/QSB/PlayerBodySetup/Remote/DreamWorldSpawnAnimator.cs b/QSB/PlayerBodySetup/Remote/DreamWorldSpawnAnimator.cs
index 9f9d52d9..b43db3e7 100644
--- a/QSB/PlayerBodySetup/Remote/DreamWorldSpawnAnimator.cs
+++ b/QSB/PlayerBodySetup/Remote/DreamWorldSpawnAnimator.cs
@@ -1,7 +1,9 @@
-using UnityEngine;
+using QSB.Utility;
+using UnityEngine;
 
 namespace QSB.PlayerBodySetup.Remote;
 
+[UsedInUnityProject]
 public class DreamWorldSpawnAnimator : MonoBehaviour
 {
 	[SerializeField]
diff --git a/QSB/PlayerBodySetup/Remote/QSBDitheringAnimator.cs b/QSB/PlayerBodySetup/Remote/QSBDitheringAnimator.cs
index d982c35a..6889e7fa 100644
--- a/QSB/PlayerBodySetup/Remote/QSBDitheringAnimator.cs
+++ b/QSB/PlayerBodySetup/Remote/QSBDitheringAnimator.cs
@@ -1,9 +1,11 @@
-using System.Linq;
+using QSB.Utility;
+using System.Linq;
 using UnityEngine;
 using UnityEngine.Rendering;
 
 namespace QSB.PlayerBodySetup.Remote;
 
+[UsedInUnityProject]
 public class QSBDitheringAnimator : MonoBehaviour
 {
 	public bool FullyVisible => !enabled && OWMath.ApproxEquals(_visibleFraction, 1);
diff --git a/QSB/RoastingSync/QSBMarshmallow.cs b/QSB/RoastingSync/QSBMarshmallow.cs
index 747770c8..db755f58 100644
--- a/QSB/RoastingSync/QSBMarshmallow.cs
+++ b/QSB/RoastingSync/QSBMarshmallow.cs
@@ -1,9 +1,11 @@
 using QSB.Player;
+using QSB.Utility;
 using System.Linq;
 using UnityEngine;
 
 namespace QSB.RoastingSync;
 
+[UsedInUnityProject]
 public class QSBMarshmallow : MonoBehaviour
 {
 	public const float RAW_TOASTED_FRACTION = 0.2f;
diff --git a/QSB/Syncs/QSBNetworkTransformChild.cs b/QSB/Syncs/QSBNetworkTransformChild.cs
index b96fc084..b3336e01 100644
--- a/QSB/Syncs/QSBNetworkTransformChild.cs
+++ b/QSB/Syncs/QSBNetworkTransformChild.cs
@@ -4,6 +4,7 @@ using UnityEngine;
 
 namespace QSB.Syncs;
 
+[UsedInUnityProject]
 public class QSBNetworkTransformChild : QSBNetworkBehaviour
 {
 	public Transform Target;
diff --git a/QSB/TimeSync/StopMeditation.cs b/QSB/TimeSync/StopMeditation.cs
index 4a7dddc1..36149fad 100644
--- a/QSB/TimeSync/StopMeditation.cs
+++ b/QSB/TimeSync/StopMeditation.cs
@@ -1,7 +1,9 @@
-using UnityEngine;
+using QSB.Utility;
+using UnityEngine;
 
 namespace QSB.TimeSync;
 
+[UsedInUnityProject]
 public class StopMeditation : MonoBehaviour
 {
 	public void Init()
diff --git a/QSB/TimeSync/WakeUpSync.cs b/QSB/TimeSync/WakeUpSync.cs
index 671fce3c..f18564a9 100644
--- a/QSB/TimeSync/WakeUpSync.cs
+++ b/QSB/TimeSync/WakeUpSync.cs
@@ -16,6 +16,7 @@ using UnityEngine;
 
 namespace QSB.TimeSync;
 
+[UsedInUnityProject]
 public class WakeUpSync : NetworkBehaviour
 {
 	public static WakeUpSync LocalInstance { get; private set; }
diff --git a/QSB/Tools/FlashlightTool/QSBFlashlight.cs b/QSB/Tools/FlashlightTool/QSBFlashlight.cs
index 6f1b60dc..440c24f6 100644
--- a/QSB/Tools/FlashlightTool/QSBFlashlight.cs
+++ b/QSB/Tools/FlashlightTool/QSBFlashlight.cs
@@ -4,6 +4,7 @@ using UnityEngine;
 
 namespace QSB.Tools.FlashlightTool;
 
+[UsedInUnityProject]
 public class QSBFlashlight : MonoBehaviour, ILightSource
 {
 	[SerializeField]
diff --git a/QSB/Tools/ProbeLauncherTool/QSBProbeLauncherTool.cs b/QSB/Tools/ProbeLauncherTool/QSBProbeLauncherTool.cs
index 244b6b0d..67c6c9f1 100644
--- a/QSB/Tools/ProbeLauncherTool/QSBProbeLauncherTool.cs
+++ b/QSB/Tools/ProbeLauncherTool/QSBProbeLauncherTool.cs
@@ -1,7 +1,9 @@
-using UnityEngine;
+using QSB.Utility;
+using UnityEngine;
 
 namespace QSB.Tools.ProbeLauncherTool;
 
+[UsedInUnityProject]
 public class QSBProbeLauncherTool : QSBTool
 {
 	public GameObject PreLaunchProbeProxy;
diff --git a/QSB/Tools/ProbeTool/QSBProbe.cs b/QSB/Tools/ProbeTool/QSBProbe.cs
index 45881b8c..01377301 100644
--- a/QSB/Tools/ProbeTool/QSBProbe.cs
+++ b/QSB/Tools/ProbeTool/QSBProbe.cs
@@ -4,6 +4,7 @@ using UnityEngine;
 
 namespace QSB.Tools.ProbeTool;
 
+[UsedInUnityProject]
 public class QSBProbe : MonoBehaviour, ILightSource
 {
 	public delegate void SurveyorProbeEvent();
diff --git a/QSB/Tools/ProbeTool/QSBProbeEffects.cs b/QSB/Tools/ProbeTool/QSBProbeEffects.cs
index bc0f5bad..b1545309 100644
--- a/QSB/Tools/ProbeTool/QSBProbeEffects.cs
+++ b/QSB/Tools/ProbeTool/QSBProbeEffects.cs
@@ -5,6 +5,7 @@ using UnityEngine;
 
 namespace QSB.Tools.ProbeTool;
 
+[UsedInUnityProject]
 internal class QSBProbeEffects : MonoBehaviour
 {
 	public OWAudioSource _flightLoopAudio;
diff --git a/QSB/Tools/ProbeTool/QSBProbeLantern.cs b/QSB/Tools/ProbeTool/QSBProbeLantern.cs
index 74365302..6269a14d 100644
--- a/QSB/Tools/ProbeTool/QSBProbeLantern.cs
+++ b/QSB/Tools/ProbeTool/QSBProbeLantern.cs
@@ -5,6 +5,7 @@ using UnityEngine;
 
 namespace QSB.Tools.ProbeTool;
 
+[UsedInUnityProject]
 internal class QSBProbeLantern : MonoBehaviour
 {
 	public float _fadeInDuration;
diff --git a/QSB/Tools/ProbeTool/QSBProbeSpotlight.cs b/QSB/Tools/ProbeTool/QSBProbeSpotlight.cs
index 2e235cd2..68c6f371 100644
--- a/QSB/Tools/ProbeTool/QSBProbeSpotlight.cs
+++ b/QSB/Tools/ProbeTool/QSBProbeSpotlight.cs
@@ -5,6 +5,7 @@ using UnityEngine;
 
 namespace QSB.Tools.ProbeTool;
 
+[UsedInUnityProject]
 internal class QSBProbeSpotlight : MonoBehaviour
 {
 	public ProbeCamera.ID _id;
diff --git a/QSB/Tools/QSBTool.cs b/QSB/Tools/QSBTool.cs
index d3633673..0885143e 100644
--- a/QSB/Tools/QSBTool.cs
+++ b/QSB/Tools/QSBTool.cs
@@ -5,6 +5,7 @@ using UnityEngine;
 
 namespace QSB.Tools;
 
+[UsedInUnityProject]
 public class QSBTool : PlayerTool
 {
 	public PlayerInfo Player { get; set; }
diff --git a/QSB/Tools/TranslatorTool/QSBNomaiTranslator.cs b/QSB/Tools/TranslatorTool/QSBNomaiTranslator.cs
index 46209451..aaf41bf7 100644
--- a/QSB/Tools/TranslatorTool/QSBNomaiTranslator.cs
+++ b/QSB/Tools/TranslatorTool/QSBNomaiTranslator.cs
@@ -1,7 +1,9 @@
-using UnityEngine;
+using QSB.Utility;
+using UnityEngine;
 
 namespace QSB.Tools.TranslatorTool;
 
+[UsedInUnityProject]
 public class QSBNomaiTranslator : QSBTool
 {
 	public static float distToClosestTextCenter = 1f;
diff --git a/QSB/Tools/TranslatorTool/QSBNomaiTranslatorProp.cs b/QSB/Tools/TranslatorTool/QSBNomaiTranslatorProp.cs
index 8a266dd3..c825e5b8 100644
--- a/QSB/Tools/TranslatorTool/QSBNomaiTranslatorProp.cs
+++ b/QSB/Tools/TranslatorTool/QSBNomaiTranslatorProp.cs
@@ -1,10 +1,12 @@
-using System.Collections.Generic;
+using QSB.Utility;
+using System.Collections.Generic;
 using System.Text;
 using UnityEngine;
 using UnityEngine.UI;
 
 namespace QSB.Tools.TranslatorTool;
 
+[UsedInUnityProject]
 internal class QSBNomaiTranslatorProp : MonoBehaviour
 {
 	private static MaterialPropertyBlock s_matPropBlock;
diff --git a/QSB/Tools/TranslatorTool/QSBTranslatorScanBeam.cs b/QSB/Tools/TranslatorTool/QSBTranslatorScanBeam.cs
index a94e6a27..adc484ca 100644
--- a/QSB/Tools/TranslatorTool/QSBTranslatorScanBeam.cs
+++ b/QSB/Tools/TranslatorTool/QSBTranslatorScanBeam.cs
@@ -1,8 +1,10 @@
-using QSB.WorldSync;
+using QSB.Utility;
+using QSB.WorldSync;
 using UnityEngine;
 
 namespace QSB.Tools.TranslatorTool;
 
+[UsedInUnityProject]
 internal class QSBTranslatorScanBeam : MonoBehaviour
 {
 	public Renderer _projectorRenderer;
diff --git a/QSB/Utility/CustomRelativisticParticleSystem.cs b/QSB/Utility/CustomRelativisticParticleSystem.cs
index c93ee048..65520af1 100644
--- a/QSB/Utility/CustomRelativisticParticleSystem.cs
+++ b/QSB/Utility/CustomRelativisticParticleSystem.cs
@@ -4,6 +4,7 @@ using UnityEngine;
 
 namespace QSB.Utility;
 
+[UsedInUnityProject]
 internal class CustomRelativisticParticleSystem : MonoBehaviour
 {
 	private ParticleSystem _particleSystem;
diff --git a/QSB/Utility/UsedInUnityProjectAttribute.cs b/QSB/Utility/UsedInUnityProjectAttribute.cs
new file mode 100644
index 00000000..c6f21a2f
--- /dev/null
+++ b/QSB/Utility/UsedInUnityProjectAttribute.cs
@@ -0,0 +1,9 @@
+using System;
+
+namespace QSB.Utility;
+
+/// <summary>
+/// denotes that the given type is used in the unity project
+/// and therefore caution should be used when moving/renaming/deleting
+/// </summary>
+public class UsedInUnityProjectAttribute : Attribute { }
diff --git a/QSB/Utility/VariableSync/BoolVariableSyncer.cs b/QSB/Utility/VariableSync/BoolVariableSyncer.cs
index 73338da5..e021aab5 100644
--- a/QSB/Utility/VariableSync/BoolVariableSyncer.cs
+++ b/QSB/Utility/VariableSync/BoolVariableSyncer.cs
@@ -1,5 +1,4 @@
 namespace QSB.Utility.VariableSync;
 
-public class BoolVariableSyncer : BaseVariableSyncer<bool>
-{
-}
\ No newline at end of file
+[UsedInUnityProject]
+public class BoolVariableSyncer : BaseVariableSyncer<bool> { }
diff --git a/QSB/Utility/VariableSync/Vector3VariableSyncer.cs b/QSB/Utility/VariableSync/Vector3VariableSyncer.cs
index 88471499..1ca8a5a4 100644
--- a/QSB/Utility/VariableSync/Vector3VariableSyncer.cs
+++ b/QSB/Utility/VariableSync/Vector3VariableSyncer.cs
@@ -2,6 +2,7 @@
 
 namespace QSB.Utility.VariableSync;
 
+[UsedInUnityProject]
 public class Vector3VariableSyncer : BaseVariableSyncer<Vector3>
 {
 	/// <summary>