diff --git a/apps/teams-test-app/e2e-test-data/store.json b/apps/teams-test-app/e2e-test-data/store.json
index 43a1531629..6fc21c8360 100644
--- a/apps/teams-test-app/e2e-test-data/store.json
+++ b/apps/teams-test-app/e2e-test-data/store.json
@@ -123,7 +123,7 @@
       "expectedTestAppValue": "Error: Error: 500, message: App does not have the required permissions for this operation"
     },
     {
-      "title": "openStoreExperience API Call With Invalid Dialog Width Size - Fail",
+      "title": "openStoreExperience API Call With Invalid Dialog Size - Fail",
       "type": "callResponse",
       "boxSelector": "#box_storeOpen",
       "inputValue": {
@@ -136,7 +136,7 @@
       "expectedTestAppValue": "Error: Error: Invalid store dialog size"
     },
     {
-      "title": "openStoreExperience API Call With Invalid Dialog Height Size - Fail",
+      "title": "openStoreExperience API Call With Invalid Dialog Size - Fail",
       "type": "callResponse",
       "boxSelector": "#box_storeOpen",
       "inputValue": {
@@ -147,6 +147,37 @@
         }
       },
       "expectedTestAppValue": "Error: Error: Invalid store dialog size"
+    },
+    {
+      "title": "openStoreExperience API Call InContextStore with Filters - Success",
+      "type": "callResponse",
+      "boxSelector": "#box_storeOpen",
+      "inputValue": {
+        "dialogType": "ics",
+        "appCapability": "Bot",
+        "appMetaCapabilities": ["copilotplugins", "copilotExtensions"],
+        "installationScope": "Team",
+        "filteredOutAppIds": ["123"],
+        "size": {
+          "width": "large",
+          "height": "large"
+        }
+      },
+      "expectedAlertValue": "openStoreExperience called with ##JSON_INPUT_VALUE##"
+    },
+    {
+      "title": "openStoreExperience API Call InContextStore with Filters - Invalid Params - Fail",
+      "type": "callResponse",
+      "boxSelector": "#box_storeOpen",
+      "inputValue": {
+        "dialogType": "ics",
+        "size": {
+          "width": "large",
+          "height": "large"
+        },
+        "appCapability": 1234
+      },
+      "expectedTestAppValue": "Error: Error: 4000, message: appCapability must be a string"
     }
   ]
 }
diff --git a/apps/teams-test-app/src/components/StoreApis.tsx b/apps/teams-test-app/src/components/StoreApis.tsx
index c717f9a234..d1ed10f021 100644
--- a/apps/teams-test-app/src/components/StoreApis.tsx
+++ b/apps/teams-test-app/src/components/StoreApis.tsx
@@ -20,7 +20,16 @@ const StoreAPIs = (): ReactElement => {
     });
 
   const OpenStore = (): ReactElement =>
-    ApiWithTextInput<{ dialogType: string; appId?: string; collectionId?: string; size?: DialogSize }>({
+    ApiWithTextInput<{
+      dialogType: string;
+      appId?: string;
+      collectionId?: string;
+      size?: DialogSize;
+      appCapability?: string;
+      appMetaCapabilities?: string[];
+      installationScope?: string;
+      filteredOutAppIds?: string[];
+    }>({
       name: 'storeOpen',
       title: 'Store Open',
       onClick: {
@@ -36,6 +45,10 @@ const StoreAPIs = (): ReactElement => {
             appId: appId,
             collectionId: input.collectionId,
             size: input.size,
+            appCapability: input.appCapability,
+            appMetaCapabilities: input.appMetaCapabilities,
+            installationScope: input.installationScope,
+            filteredOutAppIds: input.filteredOutAppIds,
           };
           // eslint-disable-next-line no-useless-catch
           try {
diff --git a/packages/teams-js/src/private/store.ts b/packages/teams-js/src/private/store.ts
index 9571b1b6f3..a201e32198 100644
--- a/packages/teams-js/src/private/store.ts
+++ b/packages/teams-js/src/private/store.ts
@@ -57,16 +57,53 @@ export interface StoreSizeInfo {
 /**
  * @beta
  * @hidden
- * Interface of open full store, copilot store and in-context-store function parameter
+ * Interface for opening the full store function parameters
  * @internal
  * Limited to Microsoft-internal use
  */
-export interface OpenFullStoreAndICSParams extends StoreSizeInfo {
+export interface OpenFullStoreParams extends StoreSizeInfo {
   /**
-   * the store dialog type, defined by {@link StoreDialogType}
+   * The store dialog type, specifically the full store, defined by {@link StoreDialogType}
    */
-  dialogType: StoreDialogType.FullStore | StoreDialogType.InContextStore;
+  dialogType: StoreDialogType.FullStore;
 }
+
+/**
+ * @beta
+ * @hidden
+ * Interface for opening the in-context store function parameters
+ * @internal
+ * Limited to Microsoft-internal use
+ */
+export interface OpenInContextStoreParams extends StoreSizeInfo {
+  /**
+   * The store dialog type, specifically the in-context store, defined by {@link StoreDialogType}
+   */
+  dialogType: StoreDialogType.InContextStore;
+
+  /**
+   * The application capability (e.g., "Tab", "Bot", "Messaging", "Connector", "CUSTOMBOT").
+   * Defaults to "Bot".
+   */
+  appCapability?: string;
+
+  /**
+   * The application meta capabilities (e.g., ["copilotPlugins", "copilotExtensions"]).
+   */
+  appMetaCapabilities?: string[];
+
+  /**
+   * The installation scope (e.g., "Personal" | "Team").
+   * Defaults to "Personal".
+   */
+  installationScope?: string;
+
+  /**
+   * A list of app IDs to be filtered out.
+   */
+  filteredOutAppIds?: string[];
+}
+
 /**
  * @beta
  * @hidden
@@ -84,6 +121,7 @@ export interface OpenAppDetailParams extends StoreSizeInfo {
    */
   appId: AppId;
 }
+
 /**
  * @beta
  * @hidden
@@ -101,14 +139,24 @@ export interface OpenSpecificStoreParams extends StoreSizeInfo {
    */
   collectionId: string;
 }
+
 /**
  * @beta
  * @hidden
- * Interface of open store function parameters, including OpenFullStoreAndICSParams, OpenAppDetailParams, OpenSpecificStoreParams
+ * Interface of open store function parameters, including:
+ * - `OpenAppDetailParams`
+ * - `OpenFullStoreParams`
+ * - `OpenInContextStoreParams`
+ * - `OpenSpecificStoreParams`
+ *
  * @internal
  * Limited to Microsoft-internal use
  */
-export type OpenStoreParams = OpenFullStoreAndICSParams | OpenAppDetailParams | OpenSpecificStoreParams;
+export type OpenStoreParams =
+  | OpenAppDetailParams
+  | OpenFullStoreParams
+  | OpenInContextStoreParams
+  | OpenSpecificStoreParams;
 
 /**
  * @beta
@@ -178,6 +226,17 @@ export async function openStoreExperience(openStoreParams: OpenStoreParams): Pro
       throw new Error(errorInvalidDialogSize);
     }
   }
+
+  const inContextStoreFilters =
+    dialogType === StoreDialogType.InContextStore
+      ? JSON.stringify({
+          appCapability: openStoreParams.appCapability,
+          appMetaCapabilities: openStoreParams.appMetaCapabilities,
+          installationScope: openStoreParams.installationScope,
+          filteredOutAppIds: openStoreParams.filteredOutAppIds,
+        })
+      : undefined;
+
   return callFunctionInHost(
     ApiName.Store_Open,
     [
@@ -185,6 +244,7 @@ export async function openStoreExperience(openStoreParams: OpenStoreParams): Pro
       (openStoreParams as OpenAppDetailParams).appId,
       (openStoreParams as OpenSpecificStoreParams).collectionId,
       JSON.stringify(openStoreParams.size),
+      inContextStoreFilters,
     ],
     getApiVersionTag(StoreVersionTagNum, ApiName.Store_Open),
   );
diff --git a/packages/teams-js/test/private/store.spec.ts b/packages/teams-js/test/private/store.spec.ts
index 356a311ae4..6293c48614 100644
--- a/packages/teams-js/test/private/store.spec.ts
+++ b/packages/teams-js/test/private/store.spec.ts
@@ -23,7 +23,7 @@ describe('store', () => {
   });
 
   describe('openStoreExperience', () => {
-    const paramFullStore: store.OpenFullStoreAndICSParams = {
+    const paramFullStore: store.OpenFullStoreParams = {
       dialogType: store.StoreDialogType.FullStore,
     };
     const paramAppDetail: store.OpenAppDetailParams = {