diff --git a/src/vs/workbench/api/common/extHostTypeConverters.ts b/src/vs/workbench/api/common/extHostTypeConverters.ts
index a37c1493e3e..4648fe402dc 100644
--- a/src/vs/workbench/api/common/extHostTypeConverters.ts
+++ b/src/vs/workbench/api/common/extHostTypeConverters.ts
@@ -46,7 +46,7 @@ import { IChatAgentMarkdownContentWithVulnerability, IChatCodeCitation, IChatCom
 import { LocalChatSessionUri } from '../../contrib/chat/common/chatUri.js';
 import { ChatRequestToolReferenceEntry, IChatRequestVariableEntry, isImageVariableEntry, isPromptFileVariableEntry, isPromptTextVariableEntry } from '../../contrib/chat/common/chatVariableEntries.js';
 import { ChatAgentLocation } from '../../contrib/chat/common/constants.js';
-import { IToolInvocationContext, IToolResult, IToolResultInputOutputDetails, IToolResultOutputDetails, ToolDataSource } from '../../contrib/chat/common/languageModelToolsService.js';
+import { IToolInvocationContext, IToolResult, IToolResultInputOutputDetails, IToolResultOutputDetails, ToolDataSource, ToolInvocationPresentation } from '../../contrib/chat/common/languageModelToolsService.js';
 import * as chatProvider from '../../contrib/chat/common/languageModels.js';
 import { IChatMessageDataPart, IChatResponseDataPart, IChatResponsePromptTsxPart, IChatResponseTextPart } from '../../contrib/chat/common/languageModels.js';
 import { DebugTreeItemCollapsibleState, IDebugVisualizationTreeItem } from '../../contrib/debug/common/debug.js';
@@ -2841,7 +2841,11 @@ export namespace ChatToolInvocationPart {
 			source: ToolDataSource.External,
 			// isError: part.isError ?? false,
 			toolSpecificData: part.toolSpecificData ? convertToolSpecificData(part.toolSpecificData) : undefined,
-			presentation: undefined,
+			presentation: part.presentation === 'hidden'
+				? ToolInvocationPresentation.Hidden
+				: part.presentation === 'hiddenAfterComplete'
+					? ToolInvocationPresentation.HiddenAfterComplete
+					: undefined,
 			fromSubAgent: part.fromSubAgent
 		};
 	}
diff --git a/src/vs/workbench/api/common/extHostTypes.ts b/src/vs/workbench/api/common/extHostTypes.ts
index 5d7fc7c00a9..a13b9b3819c 100644
--- a/src/vs/workbench/api/common/extHostTypes.ts
+++ b/src/vs/workbench/api/common/extHostTypes.ts
@@ -3370,6 +3370,7 @@ export class ChatToolInvocationPart {
 	isComplete?: boolean;
 	toolSpecificData?: ChatTerminalToolInvocationData2;
 	fromSubAgent?: boolean;
+	presentation?: 'hidden' | 'hiddenAfterComplete' | undefined;
 
 	constructor(toolName: string,
 		toolCallId: string,
diff --git a/src/vscode-dts/vscode.proposed.chatParticipantAdditions.d.ts b/src/vscode-dts/vscode.proposed.chatParticipantAdditions.d.ts
index 71520fa1ec2..aa7001a3d2f 100644
--- a/src/vscode-dts/vscode.proposed.chatParticipantAdditions.d.ts
+++ b/src/vscode-dts/vscode.proposed.chatParticipantAdditions.d.ts
@@ -105,6 +105,7 @@ declare module 'vscode' {
 		isComplete?: boolean;
 		toolSpecificData?: ChatTerminalToolInvocationData;
 		fromSubAgent?: boolean;
+		presentation?: 'hidden' | 'hiddenAfterComplete' | undefined;
 
 		constructor(toolName: string, toolCallId: string, isError?: boolean);
 	}