diff --git a/apps/mobile/expo-dev-launcher-agent-flags.test.ts b/apps/mobile/expo-dev-launcher-agent-flags.test.ts
new file mode 100644
index 00000000000..d8f1a5c4e1c
--- /dev/null
+++ b/apps/mobile/expo-dev-launcher-agent-flags.test.ts
@@ -0,0 +1,28 @@
+import { describe, expect, test } from "bun:test";
+import { readFileSync } from "node:fs";
+import { dirname, join } from "node:path";
+
+// scripts/eas-dev.sh opens the dev client with these flags so the dev menu
+// does not open at launch and its floating button does not cover the header
+// while an agent drives the app. An Expo bump that drops them brings both back
+// without any error.
+const devLauncherDir = dirname(
+	require.resolve("expo-dev-launcher/package.json", {
+		paths: [require.resolve("expo-dev-client/package.json")],
+	}),
+);
+
+describe("expo-dev-launcher URL flags for agent-driven sessions", () => {
+	test("disableAutoLaunch and disableFab update the dev menu preferences", () => {
+		const source = readFileSync(
+			join(devLauncherDir, "ios/EXDevLauncherURLHelper.swift"),
+			"utf8",
+		);
+		expect(source).toMatch(
+			/hasEnabledFlag\("disableFab", in: url\)\s*\{\s*DevMenuManager\.shared\.setShowFloatingActionButton\(false\)/,
+		);
+		expect(source).toMatch(
+			/hasEnabledFlag\("disableAutoLaunch", in: url\)\s*\{\s*DevMenuPreferences\.isOnboardingFinished = true\s*DevMenuManager\.shared\.setShowsAtLaunch\(false\)/,
+		);
+	});
+});