diff --git a/json/src/com/jetbrains/jsonSchema/remote/JsonSchemaCatalogExclusion.java b/json/src/com/jetbrains/jsonSchema/remote/JsonSchemaCatalogExclusion.java
new file mode 100644
index 000000000000..f5ec8fa58226
--- /dev/null
+++ b/json/src/com/jetbrains/jsonSchema/remote/JsonSchemaCatalogExclusion.java
@@ -0,0 +1,19 @@
+// Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+package com.jetbrains.jsonSchema.remote;
+
+import com.intellij.openapi.extensions.ExtensionPointName;
+import com.intellij.openapi.vfs.VirtualFile;
+import org.jetbrains.annotations.ApiStatus;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Disables JSON schema download from schema store for particular files.
+ * Not intended to be used except to suppress JSON schema for JSCS
+ */
+@ApiStatus.Experimental
+public interface JsonSchemaCatalogExclusion {
+
+  ExtensionPointName<JsonSchemaCatalogExclusion> EP_NAME = ExtensionPointName.create("com.intellij.json.catalog.exclusion");
+
+  boolean isExcluded(@NotNull VirtualFile file);
+}
diff --git a/json/src/com/jetbrains/jsonSchema/remote/JsonSchemaCatalogManager.java b/json/src/com/jetbrains/jsonSchema/remote/JsonSchemaCatalogManager.java
index 76e93ed4b879..8ee4d3ac8c65 100644
--- a/json/src/com/jetbrains/jsonSchema/remote/JsonSchemaCatalogManager.java
+++ b/json/src/com/jetbrains/jsonSchema/remote/JsonSchemaCatalogManager.java
@@ -50,6 +50,11 @@ public class JsonSchemaCatalogManager {
   @Nullable
   public VirtualFile getSchemaFileForFile(@NotNull VirtualFile file) {
     if (!myIsEnabled.get()) return null;
+    for (JsonSchemaCatalogExclusion exclusion : JsonSchemaCatalogExclusion.EP_NAME.getExtensions()) {
+      if (exclusion.isExcluded(file)) {
+        return null;
+      }
+    }
 
     String name = file.getName();
     if (myResolvedMappings.containsKey(name)) {
diff --git a/platform/platform-resources/src/META-INF/JsonPlugin.xml b/platform/platform-resources/src/META-INF/JsonPlugin.xml
index 9902e2dcba7b..ab18a376883b 100644
--- a/platform/platform-resources/src/META-INF/JsonPlugin.xml
+++ b/platform/platform-resources/src/META-INF/JsonPlugin.xml
@@ -112,6 +112,7 @@
     <extensionPoint qualifiedName="JavaScript.JsonSchema.ProviderFactory" interface="com.jetbrains.jsonSchema.extension.JsonSchemaProviderFactory"/>
     <extensionPoint qualifiedName="Json.Like.Psi.Walker.Factory" interface="com.jetbrains.jsonSchema.extension.JsonLikePsiWalkerFactory"/>
     <extensionPoint qualifiedName="com.intellij.json.jsonLiteralChecker" interface="com.intellij.json.codeinsight.JsonLiteralChecker"/>
+    <extensionPoint qualifiedName="com.intellij.json.catalog.exclusion" interface="com.jetbrains.jsonSchema.remote.JsonSchemaCatalogExclusion"/>
   </extensionPoints>
 
 </idea-plugin>
\ No newline at end of file