diff --git a/incremental/common/src/index.ts b/incremental/common/src/index.ts
index 11136c33c8f0907ec6872c9b570e3a4eedd8f034..b55a601ef0ac19eeed05b3351c75f126cff2b3dc 100644
--- a/incremental/common/src/index.ts
+++ b/incremental/common/src/index.ts
@@ -42,6 +42,7 @@ export {
     int8Array,
     errorAsString,
     unsafeCast,
+    CoroutineLocalValue,
     scheduleCoroutine,
     memoryStats,
     launchJob
diff --git a/incremental/compat/src/arkts/utils.ts b/incremental/compat/src/arkts/utils.ts
index 0523e835a3140a173c71fe89e9cee790a52a5918..75c8e744f68fc54154f857441693f1883a2985b7 100644
--- a/incremental/compat/src/arkts/utils.ts
+++ b/incremental/compat/src/arkts/utils.ts
@@ -34,4 +34,18 @@ export function memoryStats(): string {
 
 export function launchJob(job: () => void): Promise<void> {
     throw new Error("unsupported yet: return launch job()")
-}
\ No newline at end of file
+}
+
+export class CoroutineLocalValue<T> {
+    private map = new containers.ConcurrentHashMap<int, T>
+    get(): T | undefined {
+        return this.map.get(CoroutineExtras.getWorkerId())
+    }
+    set(value: T | undefined) {
+        if (value) {
+            this.map.set(CoroutineExtras.getWorkerId(), value)
+        } else {
+            this.map.delete(CoroutineExtras.getWorkerId())
+        }
+    }
+}
diff --git a/incremental/compat/src/index.ts b/incremental/compat/src/index.ts
index 24e868eac187f0e342d7349dbbdb6502f4dfa8dc..e4a0a9c4ddf1de7bc2a7a353f43622f4abd39c3b 100644
--- a/incremental/compat/src/index.ts
+++ b/incremental/compat/src/index.ts
@@ -61,6 +61,7 @@ export {
     int8Array,
     errorAsString,
     unsafeCast,
+    CoroutineLocalValue,
     scheduleCoroutine,
     memoryStats,
     launchJob
diff --git a/incremental/compat/src/ohos/index.ts b/incremental/compat/src/ohos/index.ts
index cafcfb1cd6fed3eb274e33d979849f07e17b5621..3edbe8fe57e06014ac819f591b92c40b3ae2b884 100644
--- a/incremental/compat/src/ohos/index.ts
+++ b/incremental/compat/src/ohos/index.ts
@@ -59,6 +59,7 @@ export {
     int8Array,
     errorAsString,
     unsafeCast,
+    CoroutineLocalValue,
     scheduleCoroutine,
     memoryStats,
     launchJob
diff --git a/incremental/compat/src/typescript/utils.ts b/incremental/compat/src/typescript/utils.ts
index 1d72692be8e3240af81231ee0389f62ee023758b..c51ff17f4c2bc746ff380b72afc34b7c67447b40 100644
--- a/incremental/compat/src/typescript/utils.ts
+++ b/incremental/compat/src/typescript/utils.ts
@@ -33,4 +33,14 @@ export function launchJob(job: () => void): Promise<void> {
             job()
         }, 0)
     )
-}
\ No newline at end of file
+}
+
+export class CoroutineLocalValue<T> {
+    private value: T | undefined = undefined
+    get(): T | undefined {
+        return this.value
+    }
+    set(value: T | undefined) {
+        this.value = value
+    }
+}
diff --git a/incremental/runtime/src/states/GlobalStateManager.ts b/incremental/runtime/src/states/GlobalStateManager.ts
index fed60f1cf51534e7c25fbd4e18488c2621f10127..7c1285cf61fbcd0498a16d67d541060b9735df3a 100644
--- a/incremental/runtime/src/states/GlobalStateManager.ts
+++ b/incremental/runtime/src/states/GlobalStateManager.ts
@@ -13,6 +13,7 @@
  * limitations under the License.
  */
 
+import { CoroutineLocalValue, KoalaCallsiteKey } from "@koalaui/common"
 import { ArrayState, Equivalent, MutableState, StateManager, ValueTracker, createStateManager } from "./State"
 
 /**
@@ -20,7 +21,12 @@ import { ArrayState, Equivalent, MutableState, StateManager, ValueTracker, creat
  * @internal
  */
 export class GlobalStateManager {
-    private static current: StateManager | undefined = undefined
+    private static localManager = new CoroutineLocalValue<StateManager>()
+    private static sharedManager: StateManager | undefined = undefined
+
+    private static get current(): StateManager | undefined {
+        return GlobalStateManager.GetLocalManager() ?? GlobalStateManager.sharedManager
+    }
 
     /**
      * The current instance of a global state manager.
@@ -30,7 +36,7 @@ export class GlobalStateManager {
         let current = GlobalStateManager.current
         if (current === undefined) {
             current = createStateManager()
-            GlobalStateManager.current = current
+            GlobalStateManager.sharedManager = current
         }
         return current
     }
@@ -42,6 +48,30 @@ export class GlobalStateManager {
     static reset() {
         GlobalStateManager.current?.reset()
     }
+
+    /**
+     * Get state manager by coroutine id.
+     * @internal
+     */
+    static GetLocalManager(): StateManager | undefined {
+        return GlobalStateManager.localManager.get()
+    }
+
+    /**
+     * Store state manager by coroutine id.
+     * @internal
+     */
+    static SetLocalManager(manager: StateManager | undefined): void {
+        GlobalStateManager.localManager.set(manager)
+    }
+
+    /**
+     * @return callsite key for a current context or `undefined` for global context
+     * @internal
+     */
+    public static getCurrentScopeId(): KoalaCallsiteKey | undefined {
+        return GlobalStateManager.instance.currentScopeId
+    }
 }
 
 /**
diff --git a/incremental/runtime/src/states/State.ts b/incremental/runtime/src/states/State.ts
index f5afc5290c595da0656c708db3ca26cce037f2ae..3c924bc2446fd4162df99c89975371198dd864ba 100644
--- a/incremental/runtime/src/states/State.ts
+++ b/incremental/runtime/src/states/State.ts
@@ -44,6 +44,7 @@ export function createStateManager(): StateManager {
  * applications.
  */
 export interface StateManager extends StateContext {
+    readonly currentScopeId: KoalaCallsiteKey | undefined
     syncChanges(): void
     isUpdateNeeded(): boolean
     updateSnapshot(): uint32
@@ -547,7 +548,8 @@ class StateManagerImpl implements StateManager {
     private readonly callbacks: MarkableQueue = markableQueue()
     readonly journal: Journal = new Journal()
 
-    constructor() {
+    get currentScopeId(): KoalaCallsiteKey | undefined {
+        return this.current?.id
     }
 
     reset(): void {