diff --git a/Content.YAMLLinter/Program.cs b/Content.YAMLLinter/Program.cs
index b7b70bd1188c64..b23faa48fcd0c0 100644
--- a/Content.YAMLLinter/Program.cs
+++ b/Content.YAMLLinter/Program.cs
@@ -1,9 +1,11 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Reflection;
 using System.Threading.Tasks;
 using Content.IntegrationTests;
 using Robust.Shared.Prototypes;
+using Robust.Shared.Reflection;
 using Robust.Shared.Serialization.Markdown.Validation;
 using Robust.Shared.Timing;
 using Robust.Shared.Utility;
@@ -103,9 +105,13 @@ await instance.WaitPost(() =>
             return (yamlErrors, fieldErrors);
         }
 
-        public static async Task<(Dictionary<string, HashSet<ErrorNode>> YamlErrors , List<string> FieldErrors)>
+        public static async Task<(Dictionary<string, HashSet<ErrorNode>> YamlErrors, List<string> FieldErrors)>
             RunValidation()
         {
+            var (clientAssemblies, serverAssemblies) = await GetClientServerAssemblies();
+            var serverTypes = serverAssemblies.SelectMany(n => n.GetTypes()).Select(t => t.Name).ToHashSet();
+            var clientTypes = clientAssemblies.SelectMany(n => n.GetTypes()).Select(t => t.Name).ToHashSet();
+
             var yamlErrors = new Dictionary<string, HashSet<ErrorNode>>();
 
             var serverErrors = await ValidateServer();
@@ -117,9 +123,18 @@ await instance.WaitPost(() =>
                 var newErrors = val.Where(n => n.AlwaysRelevant).ToHashSet();
 
                 // We include sometimes-relevant errors if they exist both for the client & server
-                if (clientErrors.Item1.TryGetValue(key, out var clientVal))
+                if (clientErrors.YamlErrors.TryGetValue(key, out var clientVal))
                     newErrors.UnionWith(val.Intersect(clientVal));
 
+                // Include any errors that relate to server-only types
+                foreach (var errorNode in val)
+                {
+                    if (errorNode is FieldNotFoundErrorNode fieldNotFoundNode && !clientTypes.Contains(fieldNotFoundNode.FieldType.Name))
+                    {
+                        newErrors.Add(errorNode);
+                    }
+                }
+
                 if (newErrors.Count != 0)
                     yamlErrors[key] = newErrors;
             }
@@ -135,6 +150,15 @@ await instance.WaitPost(() =>
                     errors.UnionWith(val.Where(n => n.AlwaysRelevant));
                 else
                     yamlErrors[key] = newErrors;
+
+                // Include any errors that relate to client-only types
+                foreach (var errorNode in val)
+                {
+                    if (errorNode is FieldNotFoundErrorNode fieldNotFoundNode && !serverTypes.Contains(fieldNotFoundNode.FieldType.Name))
+                    {
+                        newErrors.Add(errorNode);
+                    }
+                }
             }
 
             // Finally, combine the prototype ID field errors.
@@ -145,5 +169,23 @@ await instance.WaitPost(() =>
 
             return (yamlErrors, fieldErrors);
         }
+
+        private static async Task<(Assembly[] clientAssemblies, Assembly[] serverAssemblies)>
+            GetClientServerAssemblies()
+        {
+            await using var pair = await PoolManager.GetServerClient();
+
+            var result = (GetAssemblies(pair.Client), GetAssemblies(pair.Server));
+
+            await pair.CleanReturnAsync();
+
+            return result;
+
+            Assembly[] GetAssemblies(RobustIntegrationTest.IntegrationInstance instance)
+            {
+                var refl = instance.ResolveDependency<IReflectionManager>();
+                return refl.Assemblies.ToArray();
+            }
+        }
     }
 }
diff --git a/Resources/Prototypes/Hydroponics/seeds.yml b/Resources/Prototypes/Hydroponics/seeds.yml
index 8bbbed6135f29b..472242a5c3ea36 100644
--- a/Resources/Prototypes/Hydroponics/seeds.yml
+++ b/Resources/Prototypes/Hydroponics/seeds.yml
@@ -521,7 +521,6 @@
   nutrientConsumption: 0.70
   idealLight: 8
   idealHeat: 298
-  juicy: true
   growthStages: 2
   splatPrototype: PuddleSplatter
   chemicals:
diff --git a/Resources/Prototypes/Reagents/toxins.yml b/Resources/Prototypes/Reagents/toxins.yml
index 11a9fd00aed84c..8c91c5f226f032 100644
--- a/Resources/Prototypes/Reagents/toxins.yml
+++ b/Resources/Prototypes/Reagents/toxins.yml
@@ -481,7 +481,6 @@
           - !type:OrganType
             type: Animal
             shouldHave: false
-        reagent: Protein
         type: Local
         visualType: MediumCaution
         messages: [ "generic-reagent-effect-sick" ]