diff --git a/packages/dom-expressions/src/client.d.ts b/packages/dom-expressions/src/client.d.ts
index 7b91ae05..2a155728 100644
--- a/packages/dom-expressions/src/client.d.ts
+++ b/packages/dom-expressions/src/client.d.ts
@@ -58,7 +58,7 @@ export function dynamicProperty(props: unknown, key: string): unknown;
 export function hydrate(
   fn: () => JSX.Element,
   node: MountableElement,
-  options?: { renderId?: string, owner?: unknown }
+  options?: { renderId?: string; owner?: unknown }
 ): () => void;
 export function getHydrationKey(): string;
 export function getNextElement(template?: HTMLTemplateElement): Element;
@@ -76,3 +76,4 @@ export interface RequestEvent {
 }
 export declare const RequestContext: unique symbol;
 export function getRequestEvent(): RequestEvent | undefined;
+export function runHydrationEvents(): void;
diff --git a/packages/dom-expressions/src/server.d.ts b/packages/dom-expressions/src/server.d.ts
index 9a11aaa0..6d39b01a 100644
--- a/packages/dom-expressions/src/server.d.ts
+++ b/packages/dom-expressions/src/server.d.ts
@@ -1,3 +1,15 @@
+import { JSX } from "./jsx.js";
+export const Aliases: Record<string, string>;
+export const Properties: Set<string>;
+export const ChildProperties: Set<string>;
+export const DelegatedEvents: Set<string>;
+export const DOMElements: Set<string>;
+export const SVGElements: Set<string>;
+export const SVGNamespace: Record<string, string>;
+export function getPropAlias(prop: string, tagName: string): string | undefined;
+
+type MountableElement = Element | Document | ShadowRoot | DocumentFragment | Node;
+
 export function renderToString<T>(
   fn: () => T,
   options?: {
@@ -87,3 +99,79 @@ export function pipeToNodeWritable<T>(
     onCompleteAll?: () => void;
   }
 ): void;
+
+export function untrack<T>(fn: () => T): T;
+
+// client-only APIs
+
+/** @deprecated not supported on the server side */
+export function classList(
+  node: Element,
+  value: { [k: string]: boolean },
+  prev?: { [k: string]: boolean }
+): { [k: string]: boolean };
+
+/** @deprecated not supported on the server side */
+export function style(
+  node: Element,
+  value: { [k: string]: string },
+  prev?: { [k: string]: string }
+): void;
+
+/** @deprecated not supported on the server side */
+export function insert<T>(
+  parent: MountableElement,
+  accessor: (() => T) | T,
+  marker?: Node | null,
+  init?: JSX.Element
+): JSX.Element;
+
+/** @deprecated not supported on the server side */
+export function spread<T>(
+  node: Element,
+  accessor: (() => T) | T,
+  isSVG?: Boolean,
+  skipChildren?: Boolean
+): void;
+
+/** @deprecated not supported on the server side */
+export function delegateEvents(eventNames: string[], d?: Document): void;
+/** @deprecated not supported on the server side */
+export function dynamicProperty(props: unknown, key: string): unknown;
+/** @deprecated not supported on the server side */
+export function setAttribute(node: Element, name: string, value: string): void;
+/** @deprecated not supported on the server side */
+export function setAttributeNS(node: Element, namespace: string, name: string, value: string): void;
+
+/** @deprecated not supported on the server side */
+export function addEventListener(
+  node: Element,
+  name: string,
+  handler: () => void,
+  delegate: boolean
+): void;
+
+/** @deprecated not supported on the server side */
+export function render(code: () => JSX.Element, element: MountableElement): () => void;
+/** @deprecated not supported on the server side */
+export function template(html: string, isCE?: boolean, isSVG?: boolean): () => Element;
+/** @deprecated not supported on the server side */
+export function setProperty(node: Element, name: string, value: any): void;
+/** @deprecated not supported on the server side */
+export function className(node: Element, value: string): void;
+/** @deprecated not supported on the server side */
+export function assign(node: Element, props: any, isSVG?: Boolean, skipChildren?: Boolean): void;
+
+/** @deprecated not supported on the server side */
+export function hydrate(
+  fn: () => JSX.Element,
+  node: MountableElement,
+  options?: { renderId?: string; owner?: unknown }
+): () => void;
+
+/** @deprecated not supported on the server side */
+export function getNextElement(template?: HTMLTemplateElement): Element;
+/** @deprecated not supported on the server side */
+export function getNextMatch(start: Node, elementName: string): Element;
+/** @deprecated not supported on the server side */
+export function getNextMarker(start: Node): [Node, Array<Node>];
diff --git a/packages/dom-expressions/src/server.js b/packages/dom-expressions/src/server.js
index 0652be21..5b143321 100644
--- a/packages/dom-expressions/src/server.js
+++ b/packages/dom-expressions/src/server.js
@@ -1,7 +1,19 @@
-import { Aliases, BooleanAttributes, ChildProperties } from "./constants";
+import { Aliases, BooleanAttributes, ChildProperties, Properties } from "./constants";
 import { sharedConfig, root } from "rxcore";
 import { createSerializer, getLocalHeaderScript } from "./serializer";
-export { createComponent } from "rxcore";
+
+export { getOwner, createComponent, effect, memo, untrack } from "rxcore";
+
+export {
+  Properties,
+  ChildProperties,
+  getPropAlias,
+  Aliases,
+  DOMElements,
+  SVGElements,
+  SVGNamespace,
+  DelegatedEvents
+} from "./constants.js";
 
 // Based on https://github.com/WebReflection/domtagger/blob/master/esm/sanitizer.js
 const VOID_ELEMENTS =
@@ -686,3 +698,33 @@ export function ssrSpread(props, isSVG, skipChildren) {
   }
   return result;
 }
+
+// client-only APIs
+
+export {
+  notSup as classList,
+  notSup as style,
+  notSup as insert,
+  notSup as spread,
+  notSup as delegateEvents,
+  notSup as dynamicProperty,
+  notSup as setAttribute,
+  notSup as setAttributeNS,
+  notSup as addEventListener,
+  notSup as render,
+  notSup as template,
+  notSup as setProperty,
+  notSup as className,
+  notSup as assign,
+  notSup as hydrate,
+  notSup as getNextElement,
+  notSup as getNextMatch,
+  notSup as getNextMarker,
+  notSup as runHydrationEvents
+};
+
+function notSup() {
+  throw new Error(
+    "Client-only API called on the server side. Run client-only code in onMount, or conditionally run client-only component with <Show>."
+  );
+}