diff --git a/apps/desktop/src/renderer/screens/main/components/WorkspaceSidebar/PortsList/PortsList.tsx b/apps/desktop/src/renderer/screens/main/components/WorkspaceSidebar/PortsList/PortsList.tsx
index 12813863547..956490ba274 100644
--- a/apps/desktop/src/renderer/screens/main/components/WorkspaceSidebar/PortsList/PortsList.tsx
+++ b/apps/desktop/src/renderer/screens/main/components/WorkspaceSidebar/PortsList/PortsList.tsx
@@ -1,7 +1,14 @@
 import { COMPANY } from "@superset/shared/constants";
 import { Tooltip, TooltipContent, TooltipTrigger } from "@superset/ui/tooltip";
-import { LuChevronRight, LuCircleHelp, LuRadioTower } from "react-icons/lu";
+import { useCallback, useRef } from "react";
+import {
+	LuChevronRight,
+	LuCircleHelp,
+	LuFilter,
+	LuRadioTower,
+} from "react-icons/lu";
 import { usePortsStore } from "renderer/stores";
+import { MIN_LIST_HEIGHT, MAX_LIST_HEIGHT } from "renderer/stores/ports/store";
 import { STROKE_WIDTH } from "../constants";
 import { WorkspacePortGroup } from "./components/WorkspacePortGroup";
 import { usePortsData } from "./hooks/usePortsData";
@@ -11,10 +18,43 @@ const PORTS_DOCS_URL = `${COMPANY.DOCS_URL}/ports`;
 export function PortsList() {
 	const isCollapsed = usePortsStore((s) => s.isListCollapsed);
 	const toggleCollapsed = usePortsStore((s) => s.toggleListCollapsed);
+	const listHeight = usePortsStore((s) => s.listHeight);
+	const setListHeight = usePortsStore((s) => s.setListHeight);
+	const showConfiguredOnly = usePortsStore((s) => s.showConfiguredOnly);
+	const setShowConfiguredOnly = usePortsStore((s) => s.setShowConfiguredOnly);
 
 	const { workspacePortGroups, totalPortCount } = usePortsData();
 
-	if (totalPortCount === 0) {
+	// --- Drag-to-resize handle ---
+	const isDragging = useRef(false);
+	const startY = useRef(0);
+	const startHeight = useRef(0);
+
+	const handleMouseDown = useCallback(
+		(e: React.MouseEvent) => {
+			e.preventDefault();
+			isDragging.current = true;
+			startY.current = e.clientY;
+			startHeight.current = listHeight;
+
+			const handleMouseMove = (ev: MouseEvent) => {
+				if (!isDragging.current) return;
+				// Dragging UP increases height (handle is at top of list)
+				const delta = startY.current - ev.clientY;
+				setListHeight(startHeight.current + delta);
+			};
+			const handleMouseUp = () => {
+				isDragging.current = false;
+				document.removeEventListener("mousemove", handleMouseMove);
+				document.removeEventListener("mouseup", handleMouseUp);
+			};
+			document.addEventListener("mousemove", handleMouseMove);
+			document.addEventListener("mouseup", handleMouseUp);
+		},
+		[listHeight, setListHeight],
+	);
+
+	if (totalPortCount === 0 && !showConfiguredOnly) {
 		return null;
 	}
 
@@ -24,7 +64,16 @@ export function PortsList() {
 	};
 
 	return (
-		<div className="pt-3 border-t border-border">
+		<div className="shrink-0 border-t border-border">
+			{/* Resize handle */}
+			{!isCollapsed && (
+				<div
+					className="h-1.5 cursor-ns-resize hover:bg-primary/20 active:bg-primary/40 transition-colors flex items-center justify-center"
+					onMouseDown={handleMouseDown}
+				>
+					<div className="w-8 h-px bg-muted-foreground/30" />
+				</div>
+			)}
 			<div className="group text-[11px] uppercase tracking-wider text-muted-foreground/70 px-3 pb-2 font-medium flex items-center gap-1.5 w-full hover:text-muted-foreground transition-colors">
 				<button
 					type="button"
@@ -40,27 +89,71 @@ export function PortsList() {
 					Ports
 				</button>
 
+				<Tooltip delayDuration={300}>
+					<TooltipTrigger asChild>
+						<button
+							type="button"
+							onClick={() => setShowConfiguredOnly(!showConfiguredOnly)}
+							className={`p-0.5 rounded transition-colors ${
+								showConfiguredOnly
+									? "text-primary bg-primary/10"
+									: "hover:bg-muted/50 opacity-0 group-hover:opacity-100 transition-opacity"
+							}`}
+						>
+							<LuFilter
+								className="size-3"
+								strokeWidth={STROKE_WIDTH}
+							/>
+						</button>
+					</TooltipTrigger>
+					<TooltipContent side="top" sideOffset={4}>
+						<p className="text-xs">
+							{showConfiguredOnly
+								? "Show all ports"
+								: "Show only ports.json ports"}
+						</p>
+					</TooltipContent>
+				</Tooltip>
+
 				<Tooltip delayDuration={300}>
 					<TooltipTrigger asChild>
 						<button
 							type="button"
 							onClick={handleOpenPortsDocs}
-							className="ml-auto p-0.5 rounded hover:bg-muted/50 opacity-0 group-hover:opacity-100 transition-opacity"
+							className="p-0.5 rounded hover:bg-muted/50 opacity-0 group-hover:opacity-100 transition-opacity"
 						>
-							<LuCircleHelp className="size-3" strokeWidth={STROKE_WIDTH} />
+							<LuCircleHelp
+								className="size-3"
+								strokeWidth={STROKE_WIDTH}
+							/>
 						</button>
 					</TooltipTrigger>
 					<TooltipContent side="top" sideOffset={4}>
-						<p className="text-xs">Learn about static port configuration</p>
+						<p className="text-xs">
+							Learn about static port configuration
+						</p>
 					</TooltipContent>
 				</Tooltip>
-				<span className="text-[10px] font-normal">{totalPortCount}</span>
+				<span className="ml-auto text-[10px] font-normal">
+					{totalPortCount}
+				</span>
 			</div>
 			{!isCollapsed && (
-				<div className="space-y-2 max-h-72 overflow-y-auto pb-1 hide-scrollbar">
-					{workspacePortGroups.map((group) => (
-						<WorkspacePortGroup key={group.workspaceId} group={group} />
-					))}
+				<div
+					className="space-y-2 overflow-y-auto pb-1 hide-scrollbar"
+					style={{
+						height: listHeight,
+					}}
+				>
+					{workspacePortGroups.length > 0 ? (
+						workspacePortGroups.map((group) => (
+							<WorkspacePortGroup key={group.workspaceId} group={group} />
+						))
+					) : showConfiguredOnly ? (
+						<p className="px-3 py-2 text-[10px] text-muted-foreground/50">
+							No ports defined in ports.json
+						</p>
+					) : null}
 				</div>
 			)}
 		</div>
diff --git a/apps/desktop/src/renderer/screens/main/components/WorkspaceSidebar/PortsList/hooks/usePortsData.ts b/apps/desktop/src/renderer/screens/main/components/WorkspaceSidebar/PortsList/hooks/usePortsData.ts
index 4e3e926b9fb..d795fe76ffe 100644
--- a/apps/desktop/src/renderer/screens/main/components/WorkspaceSidebar/PortsList/hooks/usePortsData.ts
+++ b/apps/desktop/src/renderer/screens/main/components/WorkspaceSidebar/PortsList/hooks/usePortsData.ts
@@ -1,5 +1,6 @@
 import { useMemo } from "react";
 import { electronTrpc } from "renderer/lib/electron-trpc";
+import { usePortsStore } from "renderer/stores";
 import type { EnrichedPort } from "shared/types";
 
 const PORTS_FALLBACK_REFETCH_INTERVAL_MS = 10_000;
@@ -29,7 +30,13 @@ export function usePortsData() {
 		},
 	});
 
-	const ports = detectedPorts ?? [];
+	const showConfiguredOnly = usePortsStore((s) => s.showConfiguredOnly);
+
+	const ports = useMemo(() => {
+		const all = detectedPorts ?? [];
+		if (!showConfiguredOnly) return all;
+		return all.filter((p) => p.label != null);
+	}, [detectedPorts, showConfiguredOnly]);
 
 	const workspaceNames = useMemo(() => {
 		if (!allWorkspaces) return {};
diff --git a/apps/desktop/src/renderer/stores/ports/store.ts b/apps/desktop/src/renderer/stores/ports/store.ts
index 2081bfebba1..814f7c7559b 100644
--- a/apps/desktop/src/renderer/stores/ports/store.ts
+++ b/apps/desktop/src/renderer/stores/ports/store.ts
@@ -1,28 +1,55 @@
 import { create } from "zustand";
 import { devtools, persist } from "zustand/middleware";
 
+const DEFAULT_LIST_HEIGHT = 288; // 18rem (max-h-72)
+const MIN_LIST_HEIGHT = 80;
+const MAX_LIST_HEIGHT = 600;
+
 interface PortsState {
 	isListCollapsed: boolean;
+	/** Height of the ports list in pixels (user-resizable). */
+	listHeight: number;
+	/** When true, only ports with a label from ports.json are shown. */
+	showConfiguredOnly: boolean;
 
 	setListCollapsed: (collapsed: boolean) => void;
 	toggleListCollapsed: () => void;
+	setListHeight: (height: number) => void;
+	setShowConfiguredOnly: (value: boolean) => void;
 }
 
+export { MIN_LIST_HEIGHT, MAX_LIST_HEIGHT };
+
 export const usePortsStore = create<PortsState>()(
 	devtools(
 		persist(
 			(set, get) => ({
 				isListCollapsed: false,
+				listHeight: DEFAULT_LIST_HEIGHT,
+				showConfiguredOnly: false,
 
 				setListCollapsed: (collapsed) => set({ isListCollapsed: collapsed }),
 
 				toggleListCollapsed: () =>
 					set({ isListCollapsed: !get().isListCollapsed }),
+
+				setListHeight: (height) =>
+					set({
+						listHeight: Math.max(
+							MIN_LIST_HEIGHT,
+							Math.min(MAX_LIST_HEIGHT, height),
+						),
+					}),
+
+				setShowConfiguredOnly: (value) =>
+					set({ showConfiguredOnly: value }),
 			}),
 			{
 				name: "ports-store",
 				partialize: (state) => ({
 					isListCollapsed: state.isListCollapsed,
+					listHeight: state.listHeight,
+					showConfiguredOnly: state.showConfiguredOnly,
 				}),
 			},
 		),