diff --git a/src/vs/platform/extensions/common/extensionsApiProposals.ts b/src/vs/platform/extensions/common/extensionsApiProposals.ts
index 2296726d8e0e5..9cdecdbdd9d23 100644
--- a/src/vs/platform/extensions/common/extensionsApiProposals.ts
+++ b/src/vs/platform/extensions/common/extensionsApiProposals.ts
@@ -242,6 +242,10 @@ const _allApiProposals = {
 	languageStatusText: {
 		proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.languageStatusText.d.ts',
 	},
+	lmTools: {
+		proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.lmTools.d.ts',
+		version: 15
+	},
 	mappedEditsProvider: {
 		proposal: 'https://raw.githubusercontent.com/microsoft/vscode/main/src/vscode-dts/vscode.proposed.mappedEditsProvider.d.ts',
 	},
diff --git a/src/vscode-dts/vscode.proposed.lmTools.d.ts b/src/vscode-dts/vscode.proposed.lmTools.d.ts
new file mode 100644
index 0000000000000..63084e91433a7
--- /dev/null
+++ b/src/vscode-dts/vscode.proposed.lmTools.d.ts
@@ -0,0 +1,9 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+// version: 15
+
+declare module 'vscode' {
+}