diff --git a/extensions/git/src/repository.ts b/extensions/git/src/repository.ts
index 084acdd70d4..197468b788b 100644
--- a/extensions/git/src/repository.ts
+++ b/extensions/git/src/repository.ts
@@ -1223,6 +1223,9 @@ export class Repository implements Disposable {
 			async () => {
 				await this.repository.add(resources.map(r => r.fsPath), opts);
 				this.closeDiffEditors([], [...resources.map(r => r.fsPath)]);
+
+				// Accept working set changes across all chat sessions
+				commands.executeCommand('_chat.editSessions.accept', resources);
 			},
 			() => {
 				const resourcePaths = resources.map(r => r.fsPath);
@@ -1373,6 +1376,12 @@ export class Repository implements Disposable {
 			this.inputBox.value = await this.getInputTemplate();
 		}
 		this.closeDiffEditors(indexResources, workingGroupResources);
+
+		// Accept working set changes across all chat sessions
+		const resources = indexResources.length !== 0
+			? indexResources.map(r => Uri.file(r))
+			: workingGroupResources.map(r => Uri.file(r));
+		commands.executeCommand('_chat.editSessions.accept', resources);
 	}
 
 	private commitOperationGetOptimisticResourceGroups(opts: CommitOptions): GitResourceGroups {
diff --git a/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingActions.ts b/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingActions.ts
index 10f3d39ede4..a2efcd696f3 100644
--- a/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingActions.ts
+++ b/src/vs/workbench/contrib/chat/browser/chatEditing/chatEditingActions.ts
@@ -7,7 +7,7 @@ import { CancellationToken } from '../../../../../base/common/cancellation.js';
 import { Codicon } from '../../../../../base/common/codicons.js';
 import { KeyCode, KeyMod } from '../../../../../base/common/keyCodes.js';
 import { basename } from '../../../../../base/common/resources.js';
-import { URI } from '../../../../../base/common/uri.js';
+import { URI, UriComponents } from '../../../../../base/common/uri.js';
 import { isCodeEditor } from '../../../../../editor/browser/editorBrowser.js';
 import { ServicesAccessor } from '../../../../../editor/browser/editorExtensions.js';
 import { Position } from '../../../../../editor/common/core/position.js';
@@ -18,6 +18,7 @@ import { ILanguageFeaturesService } from '../../../../../editor/common/services/
 import { ITextModelService } from '../../../../../editor/common/services/resolverService.js';
 import { localize, localize2 } from '../../../../../nls.js';
 import { Action2, IAction2Options, MenuId, registerAction2 } from '../../../../../platform/actions/common/actions.js';
+import { CommandsRegistry } from '../../../../../platform/commands/common/commands.js';
 import { IConfigurationService } from '../../../../../platform/configuration/common/configuration.js';
 import { ContextKeyExpr } from '../../../../../platform/contextkey/common/contextkey.js';
 import { IDialogService } from '../../../../../platform/dialogs/common/dialogs.js';
@@ -745,3 +746,19 @@ export class ViewPreviousEditsAction extends EditingSessionAction {
 	}
 }
 registerAction2(ViewPreviousEditsAction);
+
+/**
+ * Workbench command to explore accepting working set changes from an extension. Executing
+ * the command will accept the changes for the provided resources across all edit sessions.
+ */
+CommandsRegistry.registerCommand('_chat.editSessions.accept', async (accessor: ServicesAccessor, resources: UriComponents[]) => {
+	if (resources.length === 0) {
+		return;
+	}
+
+	const uris = resources.map(resource => URI.revive(resource));
+	const chatEditingService = accessor.get(IChatEditingService);
+	for (const editingSession of chatEditingService.editingSessionsObs.get()) {
+		await editingSession.accept(...uris);
+	}
+});