From d944566c4db6f2159e2b4309a0282a948e99fe83 Mon Sep 17 00:00:00 2001
From: Martin Aeschlimann <martinae@microsoft.com>
Date: Thu, 29 Jan 2026 17:34:57 +0100
Subject: [PATCH] Show chat agents/prompts in extension features list (#291643)

---
 .../platform/extensions/common/extensions.ts  |  1 +
 .../chatPromptFilesContribution.ts            | 84 ++++++++++++++++++-
 2 files changed, 83 insertions(+), 2 deletions(-)

diff --git a/src/vs/platform/extensions/common/extensions.ts b/src/vs/platform/extensions/common/extensions.ts
index e8470285f7f..021ad016e02 100644
--- a/src/vs/platform/extensions/common/extensions.ts
+++ b/src/vs/platform/extensions/common/extensions.ts
@@ -235,6 +235,7 @@ export interface IExtensionContributions {
 	readonly chatPromptFiles?: ReadonlyArray<IChatFileContribution>;
 	readonly chatInstructions?: ReadonlyArray<IChatFileContribution>;
 	readonly chatAgents?: ReadonlyArray<IChatFileContribution>;
+	readonly chatSkills?: ReadonlyArray<IChatFileContribution>;
 	readonly languageModelTools?: ReadonlyArray<IToolContribution>;
 	readonly languageModelToolSets?: ReadonlyArray<IToolSetContribution>;
 	readonly mcpServerDefinitionProviders?: ReadonlyArray<IMcpCollectionContribution>;
diff --git a/src/vs/workbench/contrib/chat/common/promptSyntax/chatPromptFilesContribution.ts b/src/vs/workbench/contrib/chat/common/promptSyntax/chatPromptFilesContribution.ts
index 8e9d41c3db7..6468c60cdfa 100644
--- a/src/vs/workbench/contrib/chat/common/promptSyntax/chatPromptFilesContribution.ts
+++ b/src/vs/workbench/contrib/chat/common/promptSyntax/chatPromptFilesContribution.ts
@@ -4,10 +4,10 @@
  *--------------------------------------------------------------------------------------------*/
 
 
-import { DisposableMap } from '../../../../../base/common/lifecycle.js';
+import { Disposable, DisposableMap } from '../../../../../base/common/lifecycle.js';
 import { joinPath, isEqualOrParent } from '../../../../../base/common/resources.js';
 import { localize } from '../../../../../nls.js';
-import { ExtensionIdentifier } from '../../../../../platform/extensions/common/extensions.js';
+import { ExtensionIdentifier, IExtensionManifest } from '../../../../../platform/extensions/common/extensions.js';
 import { IWorkbenchContribution } from '../../../../common/contributions.js';
 import * as extensionsRegistry from '../../../../services/extensions/common/extensionsRegistry.js';
 import { IPromptsService, PromptsStorage } from './service/promptsService.js';
@@ -15,6 +15,9 @@ import { PromptsType } from './promptTypes.js';
 import { UriComponents } from '../../../../../base/common/uri.js';
 import { CommandsRegistry } from '../../../../../platform/commands/common/commands.js';
 import { CancellationToken } from '../../../../../base/common/cancellation.js';
+import { SyncDescriptor } from '../../../../../platform/instantiation/common/descriptors.js';
+import { Registry } from '../../../../../platform/registry/common/platform.js';
+import { Extensions, IExtensionFeaturesRegistry, IExtensionFeatureTableRenderer, IRenderedData, IRowData, ITableData } from '../../../../services/extensionManagement/common/extensionFeatures.js';
 
 interface IRawChatFileContribution {
 	readonly path: string;
@@ -162,3 +165,80 @@ CommandsRegistry.registerCommand('_listExtensionPromptFiles', async (accessor):
 
 	return result;
 });
+
+class ChatPromptFilesDataRenderer extends Disposable implements IExtensionFeatureTableRenderer {
+	readonly type = 'table';
+
+	constructor(private readonly contributionPoint: ChatContributionPoint) {
+		super();
+	}
+
+	shouldRender(manifest: IExtensionManifest): boolean {
+		return !!manifest.contributes?.[this.contributionPoint];
+	}
+
+	render(manifest: IExtensionManifest): IRenderedData<ITableData> {
+		const contributions = manifest.contributes?.[this.contributionPoint] ?? [];
+		if (!contributions.length) {
+			return { data: { headers: [], rows: [] }, dispose: () => { } };
+		}
+
+		const headers = [
+			localize('chatFilesName', "Name"),
+			localize('chatFilesDescription', "Description"),
+			localize('chatFilesPath', "Path"),
+		];
+
+		const rows: IRowData[][] = contributions.map(d => {
+			return [
+				d.name ?? '-',
+				d.description ?? '-',
+				d.path,
+			];
+		});
+
+		return {
+			data: {
+				headers,
+				rows
+			},
+			dispose: () => { }
+		};
+	}
+}
+
+Registry.as<IExtensionFeaturesRegistry>(Extensions.ExtensionFeaturesRegistry).registerExtensionFeature({
+	id: ChatContributionPoint.chatPromptFiles,
+	label: localize('chatPromptFiles', "Chat Prompt Files"),
+	access: {
+		canToggle: false
+	},
+	renderer: new SyncDescriptor(ChatPromptFilesDataRenderer, [ChatContributionPoint.chatPromptFiles]),
+});
+
+Registry.as<IExtensionFeaturesRegistry>(Extensions.ExtensionFeaturesRegistry).registerExtensionFeature({
+	id: ChatContributionPoint.chatInstructions,
+	label: localize('chatInstructions', "Chat Instructions"),
+	access: {
+		canToggle: false
+	},
+	renderer: new SyncDescriptor(ChatPromptFilesDataRenderer, [ChatContributionPoint.chatInstructions]),
+});
+
+Registry.as<IExtensionFeaturesRegistry>(Extensions.ExtensionFeaturesRegistry).registerExtensionFeature({
+	id: ChatContributionPoint.chatAgents,
+	label: localize('chatAgents', "Chat Agents"),
+	access: {
+		canToggle: false
+	},
+	renderer: new SyncDescriptor(ChatPromptFilesDataRenderer, [ChatContributionPoint.chatAgents]),
+});
+
+Registry.as<IExtensionFeaturesRegistry>(Extensions.ExtensionFeaturesRegistry).registerExtensionFeature({
+	id: ChatContributionPoint.chatSkills,
+	label: localize('chatSkills', "Chat Skills"),
+	access: {
+		canToggle: false
+	},
+	renderer: new SyncDescriptor(ChatPromptFilesDataRenderer, [ChatContributionPoint.chatSkills]),
+});