diff --git a/src/cli/memory-cli.test.ts b/src/cli/memory-cli.test.ts
index 4605a2a690..b5dc938ba9 100644
--- a/src/cli/memory-cli.test.ts
+++ b/src/cli/memory-cli.test.ts
@@ -1,4 +1,7 @@
 import { Command } from "commander";
+import fs from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
 import { afterEach, describe, expect, it, vi } from "vitest";
 
 const getMemorySearchManager = vi.fn();
@@ -273,6 +276,70 @@ describe("memory cli", () => {
     expect(log).toHaveBeenCalledWith("Memory index updated (main).");
   });
 
+  it("logs qmd index file path and size after index", async () => {
+    const { registerMemoryCli } = await import("./memory-cli.js");
+    const { defaultRuntime } = await import("../runtime.js");
+    const close = vi.fn(async () => {});
+    const sync = vi.fn(async () => {});
+    const tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), "memory-cli-qmd-index-"));
+    const dbPath = path.join(tmpDir, "index.sqlite");
+    await fs.writeFile(dbPath, "sqlite-bytes", "utf-8");
+    getMemorySearchManager.mockResolvedValueOnce({
+      manager: {
+        sync,
+        status: () => ({ backend: "qmd", dbPath }),
+        close,
+      },
+    });
+
+    const log = vi.spyOn(defaultRuntime, "log").mockImplementation(() => {});
+    const program = new Command();
+    program.name("test");
+    registerMemoryCli(program);
+    await program.parseAsync(["memory", "index"], { from: "user" });
+
+    expect(sync).toHaveBeenCalledWith(
+      expect.objectContaining({ reason: "cli", force: false, progress: expect.any(Function) }),
+    );
+    expect(log).toHaveBeenCalledWith(expect.stringContaining("QMD index: "));
+    expect(log).toHaveBeenCalledWith("Memory index updated (main).");
+    expect(close).toHaveBeenCalled();
+    await fs.rm(tmpDir, { recursive: true, force: true });
+  });
+
+  it("fails index when qmd db file is empty", async () => {
+    const { registerMemoryCli } = await import("./memory-cli.js");
+    const { defaultRuntime } = await import("../runtime.js");
+    const close = vi.fn(async () => {});
+    const sync = vi.fn(async () => {});
+    const tmpDir = await fs.mkdtemp(path.join(os.tmpdir(), "memory-cli-qmd-index-"));
+    const dbPath = path.join(tmpDir, "index.sqlite");
+    await fs.writeFile(dbPath, "", "utf-8");
+    getMemorySearchManager.mockResolvedValueOnce({
+      manager: {
+        sync,
+        status: () => ({ backend: "qmd", dbPath }),
+        close,
+      },
+    });
+
+    const error = vi.spyOn(defaultRuntime, "error").mockImplementation(() => {});
+    const program = new Command();
+    program.name("test");
+    registerMemoryCli(program);
+    await program.parseAsync(["memory", "index"], { from: "user" });
+
+    expect(sync).toHaveBeenCalledWith(
+      expect.objectContaining({ reason: "cli", force: false, progress: expect.any(Function) }),
+    );
+    expect(error).toHaveBeenCalledWith(
+      expect.stringContaining("Memory index failed (main): QMD index file is empty"),
+    );
+    expect(close).toHaveBeenCalled();
+    expect(process.exitCode).toBe(1);
+    await fs.rm(tmpDir, { recursive: true, force: true });
+  });
+
   it("logs close failures without failing the command", async () => {
     const { registerMemoryCli } = await import("./memory-cli.js");
     const { defaultRuntime } = await import("../runtime.js");
diff --git a/src/cli/memory-cli.ts b/src/cli/memory-cli.ts
index b447785a87..78d1615f74 100644
--- a/src/cli/memory-cli.ts
+++ b/src/cli/memory-cli.ts
@@ -215,6 +215,34 @@ async function scanMemoryFiles(
   return { source: "memory", totalFiles, issues };
 }
 
+async function summarizeQmdIndexArtifact(manager: MemoryManager): Promise<string | null> {
+  const status = manager.status?.();
+  if (!status || status.backend !== "qmd") {
+    return null;
+  }
+  const dbPath = status.dbPath?.trim();
+  if (!dbPath) {
+    return null;
+  }
+  let stat: fsSync.Stats;
+  try {
+    stat = await fs.stat(dbPath);
+  } catch (err) {
+    const code = (err as NodeJS.ErrnoException).code;
+    if (code === "ENOENT") {
+      throw new Error(`QMD index file not found: ${shortenHomePath(dbPath)}`, { cause: err });
+    }
+    throw new Error(
+      `QMD index file check failed: ${shortenHomePath(dbPath)} (${code ?? "error"})`,
+      { cause: err },
+    );
+  }
+  if (!stat.isFile() || stat.size <= 0) {
+    throw new Error(`QMD index file is empty: ${shortenHomePath(dbPath)}`);
+  }
+  return `QMD index: ${shortenHomePath(dbPath)} (${stat.size} bytes)`;
+}
+
 async function scanMemorySources(params: {
   workspaceDir: string;
   agentId: string;
@@ -633,6 +661,10 @@ export function registerMemoryCli(program: Command) {
                   }
                 },
               );
+              const qmdIndexSummary = await summarizeQmdIndexArtifact(manager);
+              if (qmdIndexSummary) {
+                defaultRuntime.log(qmdIndexSummary);
+              }
               defaultRuntime.log(`Memory index updated (${agentId}).`);
             } catch (err) {
               const message = formatErrorMessage(err);