diff --git a/webapp/packages/core/src/app/shared/ConnectionsManager/extensions/IConnectionProvider.ts b/webapp/packages/core/src/app/shared/ConnectionsManager/extensions/IConnectionProvider.ts
new file mode 100644
index 0000000000..d470d472de
--- /dev/null
+++ b/webapp/packages/core/src/app/shared/ConnectionsManager/extensions/IConnectionProvider.ts
@@ -0,0 +1,23 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import { createExtension, isExtension, IExtension } from '../../../../extensions';
+
+const connectionProviderSymbol = Symbol('@extension/ConnectionProvider');
+
+export interface IConnectionProvider<T = never> {
+  (context: T): string;
+}
+
+export function connectionProvider<T>(provider: IConnectionProvider<T>) {
+  return createExtension<T>(provider, connectionProviderSymbol);
+}
+
+export function isConnectionProvider<T>(obj: IExtension<T>): obj is IConnectionProvider<T> & IExtension<T> {
+  return isExtension(obj, connectionProviderSymbol);
+}
diff --git a/webapp/packages/core/src/app/shared/ConnectionsManager/extensions/IConnectionSetter.ts b/webapp/packages/core/src/app/shared/ConnectionsManager/extensions/IConnectionSetter.ts
new file mode 100644
index 0000000000..d21b5ab4e4
--- /dev/null
+++ b/webapp/packages/core/src/app/shared/ConnectionsManager/extensions/IConnectionSetter.ts
@@ -0,0 +1,23 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import { createExtension, isExtension, IExtension } from '../../../../extensions';
+
+const connectionSetterSymbol = Symbol('@extension/ConnectionSetter');
+
+export interface IConnectionSetter<T = never> {
+  (connectionId: string, context: T): Promise<boolean> | boolean;
+}
+
+export function connectionSetter<T>(setter: IConnectionSetter<T>) {
+  return createExtension<T>(setter, connectionSetterSymbol);
+}
+
+export function isConnectionSetter<T>(obj: IExtension<T>): obj is IConnectionSetter<T> & IExtension<T> {
+  return isExtension(obj, connectionSetterSymbol);
+}
diff --git a/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectCatalogProvider.ts b/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectCatalogProvider.ts
new file mode 100644
index 0000000000..c4c8155fa4
--- /dev/null
+++ b/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectCatalogProvider.ts
@@ -0,0 +1,23 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import { createExtension, isExtension, IExtension } from '../../../../extensions';
+
+const objectCatalogProviderSymbol = Symbol('@extension/ObjectCatalogProvider');
+
+export interface IObjectCatalogProvider<T = never> {
+  (context: T): string | undefined;
+}
+
+export function objectCatalogProvider<T>(provider: IObjectCatalogProvider<T>) {
+  return createExtension<T>(provider, objectCatalogProviderSymbol);
+}
+
+export function isObjectCatalogProvider<T>(obj: IExtension<T>): obj is IObjectCatalogProvider<T> & IExtension<T> {
+  return isExtension(obj, objectCatalogProviderSymbol);
+}
diff --git a/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectCatalogSetter.ts b/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectCatalogSetter.ts
new file mode 100644
index 0000000000..32b9a1aac2
--- /dev/null
+++ b/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectCatalogSetter.ts
@@ -0,0 +1,23 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import { createExtension, isExtension, IExtension } from '../../../../extensions';
+
+const objectCatalogSetterSymbol = Symbol('@extension/ObjectCatalogSetter');
+
+export interface IObjectCatalogSetter<T = never> {
+  (catalogId: string, context: T): Promise<boolean> | boolean;
+}
+
+export function objectCatalogSetter<T>(provider: IObjectCatalogSetter<T>) {
+  return createExtension<T>(provider, objectCatalogSetterSymbol);
+}
+
+export function isObjectCatalogSetter<T>(obj: IExtension<T>): obj is IObjectCatalogSetter<T> & IExtension<T> {
+  return isExtension(obj, objectCatalogSetterSymbol) as boolean;
+}
diff --git a/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectSchemaProvider.ts b/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectSchemaProvider.ts
new file mode 100644
index 0000000000..50d4358fd5
--- /dev/null
+++ b/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectSchemaProvider.ts
@@ -0,0 +1,23 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import { createExtension, isExtension, IExtension } from '../../../../extensions';
+
+const objectSchemaProviderSymbol = Symbol('@extension/ObjectSchemaProvider');
+
+export interface IObjectSchemaProvider<T = never> {
+  (context: T): string | undefined;
+}
+
+export function objectSchemaProvider<T>(provider: IObjectSchemaProvider<T>) {
+  return createExtension<T>(provider, objectSchemaProviderSymbol);
+}
+
+export function isObjectSchemaProvider<T>(obj: IExtension<T>): obj is IObjectSchemaProvider<T> & IExtension<T> {
+  return isExtension(obj, objectSchemaProviderSymbol);
+}
diff --git a/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectSchemaSetter.ts b/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectSchemaSetter.ts
new file mode 100644
index 0000000000..37b5efe2ee
--- /dev/null
+++ b/webapp/packages/core/src/app/shared/NodesManager/extensions/IObjectSchemaSetter.ts
@@ -0,0 +1,23 @@
+/*
+ * cloudbeaver - Cloud Database Manager
+ * Copyright (C) 2020 DBeaver Corp and others
+ *
+ * Licensed under the Apache License, Version 2.0.
+ * you may not use this file except in compliance with the License.
+ */
+
+import { createExtension, isExtension, IExtension } from '../../../../extensions';
+
+const objectSchemaSetterSymbol = Symbol('@extension/ObjectSchemaSetter');
+
+export interface IObjectSchemaSetter<T = never> {
+  (schemaId: string, context: T): Promise<boolean> | boolean;
+}
+
+export function objectSchemaSetter<T>(provider: IObjectSchemaSetter<T>) {
+  return createExtension<T>(provider, objectSchemaSetterSymbol);
+}
+
+export function isObjectSchemaSetter<T>(obj: IExtension<T>): obj is IObjectSchemaSetter<T> & IExtension<T> {
+  return isExtension(obj, objectSchemaSetterSymbol) as boolean;
+}