From fd9dc3344fb2df3feadfbdcd23f07c7c1f3db8df Mon Sep 17 00:00:00 2001
From: Isidor Nikolic <inikolic@microsoft.com>
Date: Tue, 17 Feb 2026 03:27:40 +0100
Subject: [PATCH] Enable large tool results to disk by default (#3656)

---
 extensions/copilot/package.json                                 | 2 +-
 .../src/platform/configuration/common/configurationService.ts   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/extensions/copilot/package.json b/extensions/copilot/package.json
index eccebb4cac9..2ba943c19da 100644
--- a/extensions/copilot/package.json
+++ b/extensions/copilot/package.json
@@ -4268,7 +4268,7 @@
 					},
 					"github.copilot.chat.agent.largeToolResultsToDisk.enabled": {
 						"type": "boolean",
-						"default": false,
+						"default": true,
 						"markdownDescription": "%github.copilot.config.agent.largeToolResultsToDisk.enabled%",
 						"tags": [
 							"advanced",
diff --git a/extensions/copilot/src/platform/configuration/common/configurationService.ts b/extensions/copilot/src/platform/configuration/common/configurationService.ts
index c9a7de90285..ddba062e8ef 100644
--- a/extensions/copilot/src/platform/configuration/common/configurationService.ts
+++ b/extensions/copilot/src/platform/configuration/common/configurationService.ts
@@ -712,7 +712,7 @@ export namespace ConfigKey {
 		 * When enabled, large tool results (above the threshold in bytes) are written to disk
 		 * instead of being included directly in the prompt. This helps manage context window usage.
 		 */
-		export const LargeToolResultsToDiskEnabled = defineSetting<boolean>('chat.agent.largeToolResultsToDisk.enabled', ConfigType.ExperimentBased, false);
+		export const LargeToolResultsToDiskEnabled = defineSetting<boolean>('chat.agent.largeToolResultsToDisk.enabled', ConfigType.ExperimentBased, true);
 		/**
 		 * The size threshold in bytes above which tool results are written to disk.
 		 * Only applies when LargeToolResultsToDiskEnabled is true.