diff --git a/apps/mana/apps/web/src/lib/modules/news-research/tools.ts b/apps/mana/apps/web/src/lib/modules/news-research/tools.ts
index ce9d9c0a2..056363abe 100644
--- a/apps/mana/apps/web/src/lib/modules/news-research/tools.ts
+++ b/apps/mana/apps/web/src/lib/modules/news-research/tools.ts
@@ -12,9 +12,18 @@
 
 import type { ModuleTool } from '$lib/data/tools/types';
 import { discoverByQuery, searchFeeds } from './api';
+import { compareResearch } from '$lib/modules/research-lab/api';
+import type { AgentAnswer } from '$lib/modules/research-lab/types';
 
 const MAX_RESULTS = 15;
 
+const DEEP_AGENT_PREFERENCE = [
+	'perplexity-sonar',
+	'gemini-grounding',
+	'openai-responses',
+	'claude-web-search',
+] as const;
+
 function formatContext(
 	query: string,
 	feedCount: number,
@@ -45,6 +54,28 @@ function formatContext(
 	return lines.join('\n');
 }
 
+function formatDeepContext(query: string, providers: string[], answers: AgentAnswer[]): string {
+	const lines = [
+		`# Deep Research — Query: ${query}`,
+		`Agents consulted: ${providers.join(', ')}`,
+		'',
+	];
+	for (let i = 0; i < answers.length; i++) {
+		const provider = providers[i];
+		const answer = answers[i];
+		if (!answer) continue;
+		lines.push(`## ${provider}`, '', answer.answer, '');
+		if (answer.citations.length > 0) {
+			lines.push('### Sources');
+			for (const cit of answer.citations) {
+				lines.push(`- [${cit.title || cit.url}](${cit.url})`);
+			}
+			lines.push('');
+		}
+	}
+	return lines.join('\n');
+}
+
 export const newsResearchTools: ModuleTool[] = [
 	{
 		name: 'research_news',
@@ -58,16 +89,23 @@ export const newsResearchTools: ModuleTool[] = [
 				description: 'Thema oder Stichworte (z.B. "KI-Regulierung EU")',
 				required: true,
 			},
+			{
+				name: 'depth',
+				type: 'string',
+				description:
+					'"shallow" (Standard, kostenlos — RSS-Feeds durchsuchen) oder "deep" (kostet Credits — fragt 1–2 Research-Agents wie Perplexity/Gemini mit web_search).',
+				required: false,
+			},
 			{
 				name: 'language',
 				type: 'string',
-				description: 'Sprache der Feeds (de/en); optional',
+				description: 'Sprache der Feeds (de/en); optional, nur für shallow',
 				required: false,
 			},
 			{
 				name: 'limit',
 				type: 'number',
-				description: `Maximale Anzahl Treffer (Standard ${MAX_RESULTS})`,
+				description: `Maximale Anzahl Treffer im shallow-Modus (Standard ${MAX_RESULTS})`,
 				required: false,
 			},
 		],
@@ -76,9 +114,42 @@ export const newsResearchTools: ModuleTool[] = [
 			if (!query) {
 				return { success: false, message: 'query is required' };
 			}
+			const depth = String(params.depth ?? 'shallow').toLowerCase();
 			const language = typeof params.language === 'string' ? params.language : undefined;
 			const limit = Math.min(Math.max(Number(params.limit) || MAX_RESULTS, 1), 50);
 
+			if (depth === 'deep') {
+				// Ask 2 research agents in parallel; prefer cheapest-first order.
+				const providers = [...DEEP_AGENT_PREFERENCE].slice(0, 2);
+				try {
+					const res = await compareResearch(query, providers);
+					const answers = res.results.map((r) => r.data?.answer).filter(Boolean) as AgentAnswer[];
+					const successful = res.results.filter((r) => r.success);
+					const context = formatDeepContext(
+						query,
+						successful.map((r) => r.provider),
+						answers
+					);
+					return {
+						success: true,
+						message: `Deep Research: ${successful.length} / ${res.results.length} Agents geantwortet.`,
+						data: {
+							context,
+							runId: res.runId,
+							answers: answers.map((a, i) => ({
+								provider: successful[i]?.provider,
+								answer: a.answer,
+								citations: a.citations,
+							})),
+						},
+					};
+				} catch (err) {
+					const message = err instanceof Error ? err.message : 'Deep research fehlgeschlagen';
+					return { success: false, message };
+				}
+			}
+
+			// shallow (default): RSS discovery + keyword search
 			const discovered = await discoverByQuery(query, language);
 			const feedUrls = discovered.feeds.slice(0, 10).map((f) => f.url);
 			if (feedUrls.length === 0) {