diff --git a/backend/apps/settings/models.py b/backend/apps/settings/models.py
index db37fc8b..191ac6cf 100644
--- a/backend/apps/settings/models.py
+++ b/backend/apps/settings/models.py
@@ -70,6 +70,8 @@ class AppSettings(BaseModel):
     personalized_greeting: Optional[str] = None
     personalized_starters: list["PersonalizedStarter"] = Field(default_factory=list)
     personalized_automations: list["PersonalizedAutomation"] = Field(default_factory=list)
+    # Distilled from the user's provider chat history the first time they open ChatGPT/Claude in-app; re-feeds prep to sharpen suggestions.
+    personalized_usage_summary: Optional[str] = None
     # Suppresses preflight suggestion modal entries the user dismissed; keyed by ToolDefinition.name, value ISO timestamp.
     dismissed_mcp_suggestions: dict[str, str] = Field(default_factory=dict)
     analytics_opt_in: bool = True
diff --git a/frontend/src/app/pages/Dashboard/hooks/lifecycle/useOpportunisticUsageHarvest.ts b/frontend/src/app/pages/Dashboard/hooks/lifecycle/useOpportunisticUsageHarvest.ts
new file mode 100644
index 00000000..7a68e180
--- /dev/null
+++ b/frontend/src/app/pages/Dashboard/hooks/lifecycle/useOpportunisticUsageHarvest.ts
@@ -0,0 +1,61 @@
+import { useEffect, useRef } from 'react';
+import { useAppDispatch, useAppSelector } from '@/shared/hooks';
+import { updateSettingsPatch } from '@/shared/state/settingsSlice';
+import { summarizeUsage, type ProviderUsage, type UsageProvider } from '@/shared/providerUsage';
+import { runPrep } from '@/app/components/OnboardingV3/onboardingV3Api';
+
+const HOST_PROVIDER: Array<{ host: string; provider: UsageProvider }> = [
+  { host: 'chatgpt.com', provider: 'codex' },
+  { host: 'claude.ai', provider: 'claude' },
+];
+
+function providerForUrl(url: string): UsageProvider | null {
+  try {
+    const host = new URL(url).hostname;
+    for (const hp of HOST_PROVIDER) if (host === hp.host || host.endsWith('.' + hp.host)) return hp.provider;
+  } catch { /* not a url */ }
+  return null;
+}
+
+// The first-run provider login always escapes the app (magic-link / embed-block), so the ONLY moment the browser partition holds a readable session is when the user opens ChatGPT/Claude in an in-app card themselves. Catch exactly that: harvest silently offscreen, then re-feed prep so the saved greeting + starters sharpen to what they actually work on. At most one successful run per provider per session; a not-logged-in read (empty summary) leaves it armed to retry on the next visit.
+export function useOpportunisticUsageHarvest(): void {
+  const dispatch = useAppDispatch();
+  const providerKey = useAppSelector((s) => {
+    const found = new Set<string>();
+    for (const card of Object.values(s.dashboardLayout.browserCards)) {
+      for (const tab of card.tabs) { const p = providerForUrl(tab.url); if (p) found.add(p); }
+    }
+    return Array.from(found).sort().join(',');
+  });
+  const doneRef = useRef<Set<string>>(new Set());
+  const busyRef = useRef(false);
+
+  useEffect(() => {
+    if (!providerKey || busyRef.current) return;
+    const provider = providerKey.split(',').find((p) => p && !doneRef.current.has(p)) as UsageProvider | undefined;
+    if (!provider) return;
+    const harvestUsage = window.openswarm?.harvestUsage;
+    if (typeof harvestUsage !== 'function') return;
+    busyRef.current = true;
+    // Let the page settle so the session cookie is live before the offscreen read.
+    const timer = window.setTimeout(async () => {
+      try {
+        const raw = (await harvestUsage(provider)) as ProviderUsage | null;
+        const summary = summarizeUsage(raw);
+        if (!summary) return;
+        doneRef.current.add(provider);
+        await dispatch(updateSettingsPatch({ personalized_usage_summary: summary }));
+        const prep = await runPrep(null, [], [], summary);
+        if (prep && prep.starters.length > 0) {
+          await dispatch(updateSettingsPatch({
+            personalized_greeting: prep.greeting || null,
+            personalized_starters: prep.starters,
+            personalized_automations: prep.automations,
+          }));
+        }
+      } catch { /* fail-open */ }
+      finally { busyRef.current = false; }
+    }, 3000);
+    return () => window.clearTimeout(timer);
+  }, [providerKey, dispatch]);
+}
diff --git a/frontend/src/app/pages/Dashboard/hooks/state/useDashboardController.ts b/frontend/src/app/pages/Dashboard/hooks/state/useDashboardController.ts
index 96e5de99..cc6a837d 100644
--- a/frontend/src/app/pages/Dashboard/hooks/state/useDashboardController.ts
+++ b/frontend/src/app/pages/Dashboard/hooks/state/useDashboardController.ts
@@ -18,6 +18,7 @@ import { useSubAgentLifecycle } from '../lifecycle/useSubAgentLifecycle';
 import { useDashboardLifecycle } from '../lifecycle/useDashboardLifecycle';
 import { useWelcomeDraft } from '../lifecycle/useWelcomeDraft';
 import { useOnboardingRevealSeed } from '../lifecycle/useOnboardingRevealSeed';
+import { useOpportunisticUsageHarvest } from '../lifecycle/useOpportunisticUsageHarvest';
 import { useDashboardThumbnail } from './useDashboardThumbnail';
 import { useSiblingRestack } from '../lifecycle/useSiblingRestack';
 import { useAgentSpawn } from '../lifecycle/useAgentSpawn';
@@ -174,6 +175,9 @@ export function useDashboardController(dashboardId: string, isActive: boolean) {
     createWelcomeDraft,
   });
 
+  // Silently harvest the user's provider chat history the first time they open ChatGPT/Claude in-app, then sharpen their saved suggestions.
+  useOpportunisticUsageHarvest();
+
   // ---- Auto-reveal / collapse / unreveal sub-agent cards ----
   useSubAgentLifecycle({
     isActive,
diff --git a/frontend/src/shared/state/settingsSlice.ts b/frontend/src/shared/state/settingsSlice.ts
index 87b4a479..4ed91b4d 100644
--- a/frontend/src/shared/state/settingsSlice.ts
+++ b/frontend/src/shared/state/settingsSlice.ts
@@ -85,6 +85,7 @@ export interface AppSettings {
   personalized_greeting?: string | null;
   personalized_starters?: PersonalizedStarter[];
   personalized_automations?: PersonalizedAutomation[];
+  personalized_usage_summary?: string | null;
 }
 
 export interface PersonalizedStarter {