diff --git a/src/doctor.ts b/src/doctor.ts
index 5db1e80e..10cf8e1b 100644
--- a/src/doctor.ts
+++ b/src/doctor.ts
@@ -316,7 +316,7 @@ async function collectLogInfo(): Promise<LogInfo> {
     return {
       requestsLast24h: stats.totalRequests,
       costLast24h: `$${stats.totalCost.toFixed(4)}`,
-      errorsFound: 0, // TODO: parse error logs
+      errorsFound: stats.errorCount,
     };
   } catch {
     return {
diff --git a/src/stats.error-status.test.ts b/src/stats.error-status.test.ts
new file mode 100644
index 00000000..425e2ccf
--- /dev/null
+++ b/src/stats.error-status.test.ts
@@ -0,0 +1,58 @@
+import { afterEach, beforeEach, describe, expect, it, vi } from "vitest";
+import { mkdir, mkdtemp, rm, writeFile } from "node:fs/promises";
+import { join } from "node:path";
+import { tmpdir } from "node:os";
+
+describe("usage log error status", () => {
+  let home: string;
+
+  beforeEach(async () => {
+    vi.resetModules();
+    home = await mkdtemp(join(tmpdir(), "clawrouter-error-status-"));
+    vi.doMock("node:os", async () => {
+      const actual = await vi.importActual<typeof import("node:os")>("node:os");
+      return { ...actual, homedir: () => home };
+    });
+    const logs = join(home, ".openclaw", "blockrun", "logs");
+    await mkdir(logs, { recursive: true });
+    const lines = [
+      JSON.stringify({
+        timestamp: "2026-10-24T10:00:00.000Z",
+        model: "gpt-4",
+        tier: "PREMIUM",
+        cost: 0.01,
+        baselineCost: 0.02,
+        savings: 0.5,
+        latencyMs: 120,
+        status: "success",
+      }),
+      JSON.stringify({
+        timestamp: "2026-10-24T10:01:00.000Z",
+        model: "gpt-4",
+        tier: "PREMIUM",
+        cost: 0,
+        baselineCost: 0.02,
+        savings: 0,
+        latencyMs: 50,
+        status: "error",
+      }),
+    ].join("\n");
+    await writeFile(join(logs, "usage-2026-10-24.jsonl"), lines);
+  });
+
+  afterEach(async () => {
+    vi.doUnmock("node:os");
+    await rm(home, { recursive: true, force: true });
+  });
+
+  it("counts error entries and marks them in recent log output", async () => {
+    const { getStats, formatRecentLogs } = await import("./stats.js");
+
+    const stats = await getStats(1);
+    expect(stats.totalRequests).toBe(2);
+    expect(stats.errorCount).toBe(1);
+
+    const recent = await formatRecentLogs(1);
+    expect(recent).toContain("ERROR");
+  });
+});
diff --git a/src/stats.ts b/src/stats.ts
index 37df65a7..98404989 100644
--- a/src/stats.ts
+++ b/src/stats.ts
@@ -64,6 +64,7 @@ export type AggregatedStats = {
   byModel: Record<string, { count: number; cost: number; percentage: number }>;
   dailyBreakdown: DailyStats[];
   entriesWithBaseline: number; // Entries with valid baseline tracking
+  errorCount: number;
 };
 
 /**
@@ -86,6 +87,7 @@ async function parseLogFile(filePath: string): Promise<UsageEntry[]> {
           baselineCost: entry.baselineCost || entry.cost || 0,
           savings: entry.savings || 0,
           latencyMs: entry.latencyMs || 0,
+          status: entry.status === "error" || entry.status === "success" ? entry.status : undefined,
         });
       } catch {
         // Skip malformed lines, keep valid ones
@@ -163,6 +165,7 @@ export async function getStats(days: number = 7): Promise<AggregatedStats> {
   let totalCost = 0;
   let totalBaselineCost = 0;
   let totalLatency = 0;
+  let errorCount = 0;
 
   for (const file of filesToRead) {
     const date = file.replace("usage-", "").replace(".jsonl", "");
@@ -171,6 +174,12 @@ export async function getStats(days: number = 7): Promise<AggregatedStats> {
 
     if (entries.length === 0) continue;
 
+    for (const entry of entries) {
+      if (entry.status === "error") {
+        errorCount++;
+      }
+    }
+
     const dayStats = aggregateDay(date, entries);
     dailyBreakdown.push(dayStats);
 
@@ -237,6 +246,7 @@ export async function getStats(days: number = 7): Promise<AggregatedStats> {
     byModel: byModelWithPercentage,
     dailyBreakdown: dailyBreakdown.reverse(), // Oldest first for charts
     entriesWithBaseline, // How many entries have valid baseline tracking
+    errorCount,
   };
 }
 
@@ -367,8 +377,7 @@ export async function formatRecentLogs(requestedDays: number = 1): Promise<strin
     const model = e.model.length > 24 ? e.model.slice(0, 21) + "..." : e.model;
     const cost = `$${e.cost.toFixed(4)}`;
     const ms = e.latencyMs > 9999 ? `${(e.latencyMs / 1000).toFixed(1)}s` : `${e.latencyMs}ms`;
-    const status =
-      (e as UsageEntry & { status?: string }).status === "error" ? " ERROR  " : " OK     ";
+    const status = e.status === "error" ? " ERROR  " : " OK     ";
     totalCost += e.cost;
     lines.push(
       `║  ${displayTime.padEnd(16)}║  ${model.padEnd(24)}║  ${cost.padStart(7)}║  ${ms.padStart(4)}║${status}║`,