diff --git a/src/resources/extensions/gsd/auto/loop-deps.ts b/src/resources/extensions/gsd/auto/loop-deps.ts
index 565dde5a3..a7678d85f 100644
--- a/src/resources/extensions/gsd/auto/loop-deps.ts
+++ b/src/resources/extensions/gsd/auto/loop-deps.ts
@@ -93,6 +93,7 @@ export interface LoopDeps {
     body: string,
     kind: string,
     category: string,
+    projectName?: string,
   ) => void;
   setActiveMilestoneId: (basePath: string, mid: string) => void;
   pruneQueueOrder: (basePath: string, pendingIds: string[]) => void;
diff --git a/src/resources/extensions/gsd/auto/phases.ts b/src/resources/extensions/gsd/auto/phases.ts
index 26685796d..620fe6809 100644
--- a/src/resources/extensions/gsd/auto/phases.ts
+++ b/src/resources/extensions/gsd/auto/phases.ts
@@ -26,7 +26,7 @@ import { runUnit } from "./run-unit.js";
 import { debugLog } from "../debug-logger.js";
 import { PROJECT_FILES } from "../detection.js";
 import { MergeConflictError } from "../git-service.js";
-import { join } from "node:path";
+import { join, basename } from "node:path";
 import { existsSync, cpSync } from "node:fs";
 import { logWarning, logError } from "../workflow-logger.js";
 import { gsdRoot } from "../paths.js";
@@ -230,6 +230,7 @@ export async function runPreDispatch(
       `Milestone ${s.currentMilestoneId} complete!`,
       "success",
       "milestone",
+      basename(s.originalBasePath || s.basePath),
     );
     deps.logCmuxEvent(
       prefs,
@@ -388,6 +389,7 @@ export async function runPreDispatch(
         "All milestones complete!",
         "success",
         "milestone",
+        basename(s.originalBasePath || s.basePath),
       );
       deps.logCmuxEvent(
         prefs,
@@ -411,7 +413,7 @@ export async function runPreDispatch(
       const blockerMsg = `Blocked: ${state.blockers.join(", ")}`;
       await deps.stopAuto(ctx, pi, blockerMsg);
       ctx.ui.notify(`${blockerMsg}. Fix and run /gsd auto.`, "warning");
-      deps.sendDesktopNotification("GSD", blockerMsg, "error", "attention");
+      deps.sendDesktopNotification("GSD", blockerMsg, "error", "attention", basename(s.originalBasePath || s.basePath));
       deps.logCmuxEvent(prefs, blockerMsg, "error");
     } else {
       const ids = incomplete.map((m: { id: string }) => m.id).join(", ");
@@ -492,6 +494,7 @@ export async function runPreDispatch(
       `Milestone ${mid} complete!`,
       "success",
       "milestone",
+      basename(s.originalBasePath || s.basePath),
     );
     deps.logCmuxEvent(
       prefs,
@@ -509,7 +512,7 @@ export async function runPreDispatch(
     const blockerMsg = `Blocked: ${state.blockers.join(", ")}`;
     await closeoutAndStop(ctx, pi, s, deps, blockerMsg);
     ctx.ui.notify(`${blockerMsg}. Fix and run /gsd auto.`, "warning");
-    deps.sendDesktopNotification("GSD", blockerMsg, "error", "attention");
+    deps.sendDesktopNotification("GSD", blockerMsg, "error", "attention", basename(s.originalBasePath || s.basePath));
     deps.logCmuxEvent(prefs, blockerMsg, "error");
     debugLog("autoLoop", { phase: "exit", reason: "blocked" });
     deps.emitJournalEvent({ ts: new Date().toISOString(), flowId: ic.flowId, seq: ic.nextSeq(), eventType: "terminal", data: { reason: "blocked", blockers: state.blockers } });
@@ -755,7 +758,7 @@ export async function runGuards(
         // 100% — special enforcement logic (halt/pause/warn)
         const msg = `Budget ceiling ${deps.formatCost(budgetCeiling)} reached (spent ${deps.formatCost(totalCost)}).`;
         if (budgetEnforcementAction === "halt") {
-          deps.sendDesktopNotification("GSD", msg, "error", "budget");
+          deps.sendDesktopNotification("GSD", msg, "error", "budget", basename(s.originalBasePath || s.basePath));
           await deps.stopAuto(ctx, pi, "Budget ceiling reached");
           debugLog("autoLoop", { phase: "exit", reason: "budget-halt" });
           return { action: "break", reason: "budget-halt" };
@@ -765,14 +768,14 @@ export async function runGuards(
             `${msg} Pausing auto-mode — /gsd auto to override and continue.`,
             "warning",
           );
-          deps.sendDesktopNotification("GSD", msg, "warning", "budget");
+          deps.sendDesktopNotification("GSD", msg, "warning", "budget", basename(s.originalBasePath || s.basePath));
           deps.logCmuxEvent(prefs, msg, "warning");
           await deps.pauseAuto(ctx, pi);
           debugLog("autoLoop", { phase: "exit", reason: "budget-pause" });
           return { action: "break", reason: "budget-pause" };
         }
         ctx.ui.notify(`${msg} Continuing (enforcement: warn).`, "warning");
-        deps.sendDesktopNotification("GSD", msg, "warning", "budget");
+        deps.sendDesktopNotification("GSD", msg, "warning", "budget", basename(s.originalBasePath || s.basePath));
         deps.logCmuxEvent(prefs, msg, "warning");
       } else if (threshold.pct < 100) {
         // Sub-100% — simple notification
@@ -783,6 +786,7 @@ export async function runGuards(
           msg,
           threshold.notifyLevel,
           "budget",
+          basename(s.originalBasePath || s.basePath),
         );
         deps.logCmuxEvent(prefs, msg, threshold.cmuxLevel);
       }
@@ -812,6 +816,7 @@ export async function runGuards(
         `Context ${contextUsage.percent}% — paused`,
         "warning",
         "attention",
+        basename(s.originalBasePath || s.basePath),
       );
       await deps.pauseAuto(ctx, pi);
       debugLog("autoLoop", { phase: "exit", reason: "context-window" });
diff --git a/src/resources/extensions/gsd/notifications.ts b/src/resources/extensions/gsd/notifications.ts
index 4a45eae94..0efd0d4c3 100644
--- a/src/resources/extensions/gsd/notifications.ts
+++ b/src/resources/extensions/gsd/notifications.ts
@@ -23,7 +23,13 @@ export function sendDesktopNotification(
   message: string,
   level: NotifyLevel = "info",
   kind: NotificationKind = "complete",
+  projectName?: string,
 ): void {
+  // When a projectName is provided and the title is the default "GSD",
+  // replace it with a project-qualified title for multi-project clarity.
+  if (projectName && title === "GSD") {
+    title = formatNotificationTitle(projectName);
+  }
   const loaded = loadEffectiveGSDPreferences()?.preferences;
   if (!shouldSendDesktopNotification(kind, loaded?.notifications)) return;
 
@@ -64,6 +70,16 @@ export function shouldSendDesktopNotification(
   }
 }
 
+/**
+ * Format a notification title that includes the project name for context.
+ * Returns "GSD — projectName" when a project name is available, otherwise "GSD".
+ */
+export function formatNotificationTitle(projectName?: string): string {
+  const trimmed = projectName?.trim();
+  if (trimmed) return `GSD — ${trimmed}`;
+  return "GSD";
+}
+
 export function buildDesktopNotificationCommand(
   platform: NodeJS.Platform,
   title: string,
diff --git a/src/resources/extensions/gsd/tests/notifications.test.ts b/src/resources/extensions/gsd/tests/notifications.test.ts
index b833c667b..0331f5956 100644
--- a/src/resources/extensions/gsd/tests/notifications.test.ts
+++ b/src/resources/extensions/gsd/tests/notifications.test.ts
@@ -4,6 +4,7 @@ import assert from "node:assert/strict";
 import {
   buildDesktopNotificationCommand,
   shouldSendDesktopNotification,
+  formatNotificationTitle,
 } from "../notifications.js";
 import type { NotificationPreferences } from "../types.js";
 
@@ -87,3 +88,47 @@ test("buildDesktopNotificationCommand preserves literal shell characters on linu
 test("buildDesktopNotificationCommand skips unsupported platforms", () => {
   assert.equal(buildDesktopNotificationCommand("win32", "Title", "Message"), null);
 });
+
+// ─── formatNotificationTitle — project context in notifications (#2708) ──────
+
+test("formatNotificationTitle returns 'GSD' when no project name is given", () => {
+  assert.equal(formatNotificationTitle(), "GSD");
+  assert.equal(formatNotificationTitle(undefined), "GSD");
+  assert.equal(formatNotificationTitle(""), "GSD");
+});
+
+test("formatNotificationTitle includes project name when provided", () => {
+  assert.equal(formatNotificationTitle("my-app"), "GSD — my-app");
+});
+
+test("formatNotificationTitle trims whitespace from project name", () => {
+  assert.equal(formatNotificationTitle("  spaced  "), "GSD — spaced");
+});
+
+test("buildDesktopNotificationCommand includes project name in title on linux", () => {
+  const command = buildDesktopNotificationCommand(
+    "linux",
+    formatNotificationTitle("my-project"),
+    "All milestones complete!",
+    "success",
+  );
+  assert.ok(command);
+  assert.equal(command.args[2], "GSD — my-project");
+  assert.equal(command.args[3], "All milestones complete!");
+});
+
+test("buildDesktopNotificationCommand includes project name in title on macOS", () => {
+  const command = buildDesktopNotificationCommand(
+    "darwin",
+    formatNotificationTitle("my-project"),
+    "Budget 90%",
+    "warning",
+  );
+  assert.ok(command);
+  if (command.file.includes("terminal-notifier")) {
+    const titleIdx = command.args.indexOf("-title");
+    assert.equal(command.args[titleIdx + 1], "GSD — my-project");
+  } else {
+    assert.match(command.args[1], /GSD — my-project/);
+  }
+});
diff --git a/src/resources/extensions/gsd/undo.ts b/src/resources/extensions/gsd/undo.ts
index 3d0c589b2..5d68c5e82 100644
--- a/src/resources/extensions/gsd/undo.ts
+++ b/src/resources/extensions/gsd/undo.ts
@@ -5,7 +5,7 @@
 
 import type { ExtensionCommandContext, ExtensionAPI } from "@gsd/pi-coding-agent";
 import { existsSync, readFileSync, writeFileSync, unlinkSync, readdirSync } from "node:fs";
-import { join } from "node:path";
+import { join, basename } from "node:path";
 import { nativeRevertCommit, nativeRevertAbort } from "./native-git-bridge.js";
 import { parseUnitId } from "./unit-id.js";
 import { deriveState } from "./state.js";
@@ -133,7 +133,7 @@ export async function handleUndo(args: string, ctx: ExtensionCommandContext, _pi
   }
 
   ctx.ui.notify(results.join("\n"), "success");
-  sendDesktopNotification("GSD", `Undone: ${unitType} (${unitId})`, "info", "complete");
+  sendDesktopNotification("GSD", `Undone: ${unitType} (${unitId})`, "info", "complete", basename(basePath));
 }
 
 // ─── Targeted State Reset ────────────────────────────────────────────────────