diff --git a/Content.Server/NPC/HTN/Preconditions/KeyExistsPrecondition.cs b/Content.Server/NPC/HTN/Preconditions/KeyExistsPrecondition.cs
index 72c4e6367f..69e265f276 100644
--- a/Content.Server/NPC/HTN/Preconditions/KeyExistsPrecondition.cs
+++ b/Content.Server/NPC/HTN/Preconditions/KeyExistsPrecondition.cs
@@ -1,8 +1,13 @@
 namespace Content.Server.NPC.HTN.Preconditions;
 
+/// <summary>
+/// Checks for the presence of the value by the specified <see cref="KeyExistsPrecondition.Key"/> in the <see cref="NPCBlackboard"/>.
+/// Returns true if there is a value.
+/// </summary>
 public sealed partial class KeyExistsPrecondition : HTNPrecondition
 {
-    [DataField("key", required: true)] public string Key = string.Empty;
+    [DataField(required: true), ViewVariables]
+    public string Key = string.Empty;
 
     public override bool IsMet(NPCBlackboard blackboard)
     {
diff --git a/Content.Server/NPC/HTN/Preconditions/KeyNotExistsPrecondition.cs b/Content.Server/NPC/HTN/Preconditions/KeyNotExistsPrecondition.cs
index c12663901c..8dc38e442a 100644
--- a/Content.Server/NPC/HTN/Preconditions/KeyNotExistsPrecondition.cs
+++ b/Content.Server/NPC/HTN/Preconditions/KeyNotExistsPrecondition.cs
@@ -1,8 +1,12 @@
 namespace Content.Server.NPC.HTN.Preconditions;
 
+/// <summary>
+/// Checks if there is no value at the specified  <see cref="KeyNotExistsPrecondition.Key"/> in the <see cref="NPCBlackboard"/>.
+/// Returns true if there is no value.
+/// </summary>
 public sealed partial class KeyNotExistsPrecondition : HTNPrecondition
 {
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables]
     public string Key = string.Empty;
 
     public override bool IsMet(NPCBlackboard blackboard)
diff --git a/Content.Server/NPC/HTN/Preconditions/Math/KeyBoolEqualsPrecondition.cs b/Content.Server/NPC/HTN/Preconditions/Math/KeyBoolEqualsPrecondition.cs
index 8c7920e8be..2abb351272 100644
--- a/Content.Server/NPC/HTN/Preconditions/Math/KeyBoolEqualsPrecondition.cs
+++ b/Content.Server/NPC/HTN/Preconditions/Math/KeyBoolEqualsPrecondition.cs
@@ -1,16 +1,17 @@
 namespace Content.Server.NPC.HTN.Preconditions.Math;
 
 /// <summary>
-/// Checks for the presence of data in the blackboard and makes a comparison with the specified boolean
+/// Checks if there is a bool value for the specified <see cref="KeyBoolEqualsPrecondition.Key"/>
+/// in the <see cref="NPCBlackboard"/> and the specified value is equal to the <see cref="KeyBoolEqualsPrecondition.Value"/>.
 /// </summary>
 public sealed partial class KeyBoolEqualsPrecondition : HTNPrecondition
 {
     [Dependency] private readonly IEntityManager _entManager = default!;
 
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables]
     public string Key = string.Empty;
 
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables(VVAccess.ReadWrite)]
     public bool Value;
 
     public override bool IsMet(NPCBlackboard blackboard)
diff --git a/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatEqualsPrecondition.cs b/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatEqualsPrecondition.cs
index 802fdaf2b9..0f7e2cca2a 100644
--- a/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatEqualsPrecondition.cs
+++ b/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatEqualsPrecondition.cs
@@ -1,13 +1,17 @@
 namespace Content.Server.NPC.HTN.Preconditions.Math;
 
+/// <summary>
+/// Checks if there is a float value for the specified <see cref="KeyFloatEqualsPrecondition.Key"/>
+/// in the <see cref="NPCBlackboard"/> and the specified value is equal to the <see cref="KeyFloatEqualsPrecondition.Value"/>.
+/// </summary>
 public sealed partial class KeyFloatEqualsPrecondition : HTNPrecondition
 {
     [Dependency] private readonly IEntityManager _entManager = default!;
 
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables]
     public string Key = string.Empty;
 
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables(VVAccess.ReadWrite)]
     public float Value;
 
     public override bool IsMet(NPCBlackboard blackboard)
diff --git a/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatGreaterPrecondition.cs b/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatGreaterPrecondition.cs
index 3a9ac36698..b3a27a7d5d 100644
--- a/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatGreaterPrecondition.cs
+++ b/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatGreaterPrecondition.cs
@@ -1,13 +1,17 @@
 namespace Content.Server.NPC.HTN.Preconditions.Math;
 
+/// <summary>
+/// Checks if there is a float value for the specified <see cref="KeyFloatGreaterPrecondition.Key"/>
+/// in the <see cref="NPCBlackboard"/> and the specified value is greater then <see cref="KeyFloatGreaterPrecondition.Value"/>.
+/// </summary>
 public sealed partial class KeyFloatGreaterPrecondition : HTNPrecondition
 {
     [Dependency] private readonly IEntityManager _entManager = default!;
 
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables]
     public string Key = string.Empty;
 
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables(VVAccess.ReadWrite)]
     public float Value;
 
     public override bool IsMet(NPCBlackboard blackboard)
diff --git a/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatLessPrecondition.cs b/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatLessPrecondition.cs
index 5cd51d7a7c..c5eb35eebc 100644
--- a/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatLessPrecondition.cs
+++ b/Content.Server/NPC/HTN/Preconditions/Math/KeyFloatLessPrecondition.cs
@@ -1,13 +1,17 @@
 namespace Content.Server.NPC.HTN.Preconditions.Math;
 
+/// <summary>
+/// Checks if there is a float value for the specified <see cref="KeyFloatGreaterPrecondition.Key"/>
+/// in the <see cref="NPCBlackboard"/> and the specified value is less then <see cref="KeyFloatGreaterPrecondition.Value"/>.
+/// </summary>
 public sealed partial class KeyFloatLessPrecondition : HTNPrecondition
 {
     [Dependency] private readonly IEntityManager _entManager = default!;
 
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables]
     public string Key = string.Empty;
 
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables(VVAccess.ReadWrite)]
     public float Value;
 
     public override bool IsMet(NPCBlackboard blackboard)
diff --git a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/AddFloatOperator.cs b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/AddFloatOperator.cs
index 00404517c9..f8ed20544e 100644
--- a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/AddFloatOperator.cs
+++ b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/AddFloatOperator.cs
@@ -4,13 +4,14 @@ using System.Threading.Tasks;
 namespace Content.Server.NPC.HTN.PrimitiveTasks.Operators.Math;
 
 /// <summary>
-/// Gets the key, and adds the value to that float
+/// Added <see cref="AddFloatOperator.Amount"/> to float value for the
+/// specified <see cref="AddFloatOperator.TargetKey"/> in the <see cref="NPCBlackboard"/>.
 /// </summary>
 public sealed partial class AddFloatOperator : HTNOperator
 {
     [Dependency] private readonly IEntityManager _entManager = default!;
 
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables]
     public string TargetKey = string.Empty;
 
     [DataField, ViewVariables(VVAccess.ReadWrite)]
diff --git a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetBoolOperator.cs b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetBoolOperator.cs
index a40b96798d..f168326af7 100644
--- a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetBoolOperator.cs
+++ b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetBoolOperator.cs
@@ -4,11 +4,12 @@ using System.Threading.Tasks;
 namespace Content.Server.NPC.HTN.PrimitiveTasks.Operators.Math;
 
 /// <summary>
-/// Just sets a blackboard key to a bool
+/// Set <see cref="SetBoolOperator.Value"/> to bool value for the
+/// specified <see cref="SetFloatOperator.TargetKey"/> in the <see cref="NPCBlackboard"/>.
 /// </summary>
 public sealed partial class SetBoolOperator : HTNOperator
 {
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables]
     public string TargetKey = string.Empty;
 
     [DataField, ViewVariables(VVAccess.ReadWrite)]
diff --git a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetFloatOperator.cs b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetFloatOperator.cs
index 76842b431f..f9b5e54fe3 100644
--- a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetFloatOperator.cs
+++ b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetFloatOperator.cs
@@ -4,11 +4,12 @@ using System.Threading.Tasks;
 namespace Content.Server.NPC.HTN.PrimitiveTasks.Operators.Math;
 
 /// <summary>
-/// Just sets a blackboard key to a float
+/// Set <see cref="SetFloatOperator.Amount"/> to float value for the
+/// specified <see cref="SetFloatOperator.TargetKey"/> in the <see cref="NPCBlackboard"/>.
 /// </summary>
 public sealed partial class SetFloatOperator : HTNOperator
 {
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables]
     public string TargetKey = string.Empty;
 
     [DataField, ViewVariables(VVAccess.ReadWrite)]
diff --git a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetRandomFloatOperator.cs b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetRandomFloatOperator.cs
index 999756f1f7..edcab6baff 100644
--- a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetRandomFloatOperator.cs
+++ b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/Math/SetRandomFloatOperator.cs
@@ -5,20 +5,22 @@ using Robust.Shared.Random;
 namespace Content.Server.NPC.HTN.PrimitiveTasks.Operators.Math;
 
 /// <summary>
-/// Sets a random float from MinAmount to MaxAmount to blackboard
+/// Set random float value between <see cref="SetRandomFloatOperator.MinAmount"/> and
+/// <see cref="SetRandomFloatOperator.MaxAmount"/> specified <see cref="SetRandomFloatOperator.TargetKey"/>
+/// in the <see cref="NPCBlackboard"/>.
 /// </summary>
 public sealed partial class SetRandomFloatOperator : HTNOperator
 {
     [Dependency] private readonly IRobustRandom _random = default!;
 
-    [DataField(required: true)]
+    [DataField(required: true), ViewVariables]
     public string TargetKey = string.Empty;
 
     [DataField, ViewVariables(VVAccess.ReadWrite)]
     public float MaxAmount = 1f;
 
     [DataField, ViewVariables(VVAccess.ReadWrite)]
-    public float MinAmount = 0f;
+    public float MinAmount;
 
     public override async Task<(bool Valid, Dictionary<string, object>? Effects)> Plan(NPCBlackboard blackboard,
         CancellationToken cancelToken)
diff --git a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/SayKeyOperator.cs b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/SayKeyOperator.cs
index d1c7d61915..558b1fc04d 100644
--- a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/SayKeyOperator.cs
+++ b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/SayKeyOperator.cs
@@ -20,7 +20,8 @@ public sealed partial class SayKeyOperator : HTNOperator
     public override void Initialize(IEntitySystemManager sysManager)
     {
         base.Initialize(sysManager);
-        _chat = IoCManager.Resolve<IEntitySystemManager>().GetEntitySystem<ChatSystem>();
+
+        _chat = sysManager.GetEntitySystem<ChatSystem>();
     }
 
     public override HTNOperatorStatus Update(NPCBlackboard blackboard, float frameTime)
@@ -28,8 +29,12 @@ public sealed partial class SayKeyOperator : HTNOperator
         if (!blackboard.TryGetValue<object>(Key, out var value, _entManager))
             return HTNOperatorStatus.Failed;
 
+        var @string = value.ToString();
+        if (@string is not { })
+            return HTNOperatorStatus.Failed;
+
         var speaker = blackboard.GetValue<EntityUid>(NPCBlackboard.Owner);
-        _chat.TrySendInGameICMessage(speaker, value.ToString() ?? "Oh no...", InGameICChatType.Speak, hideChat: Hidden, hideLog: Hidden);
+        _chat.TrySendInGameICMessage(speaker, @string, InGameICChatType.Speak, hideChat: Hidden, hideLog: Hidden);
 
         return base.Update(blackboard, frameTime);
     }
diff --git a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/SpeakOperator.cs b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/SpeakOperator.cs
index cf07831959..8a4c655a39 100644
--- a/Content.Server/NPC/HTN/PrimitiveTasks/Operators/SpeakOperator.cs
+++ b/Content.Server/NPC/HTN/PrimitiveTasks/Operators/SpeakOperator.cs
@@ -6,7 +6,7 @@ public sealed partial class SpeakOperator : HTNOperator
 {
     private ChatSystem _chat = default!;
 
-    [DataField("speech", required: true)]
+    [DataField(required: true)]
     public string Speech = string.Empty;
 
     /// <summary>
@@ -18,14 +18,15 @@ public sealed partial class SpeakOperator : HTNOperator
     public override void Initialize(IEntitySystemManager sysManager)
     {
         base.Initialize(sysManager);
-        _chat = IoCManager.Resolve<IEntitySystemManager>().GetEntitySystem<ChatSystem>();
+
+        _chat = sysManager.GetEntitySystem<ChatSystem>();
     }
 
     public override HTNOperatorStatus Update(NPCBlackboard blackboard, float frameTime)
     {
         var speaker = blackboard.GetValue<EntityUid>(NPCBlackboard.Owner);
-
         _chat.TrySendInGameICMessage(speaker, Loc.GetString(Speech), InGameICChatType.Speak, hideChat: Hidden, hideLog: Hidden);
+
         return base.Update(blackboard, frameTime);
     }
 }