diff --git a/tests/test_mcp_tools.py b/tests/test_mcp_tools.py
index 9d3a694..ded3b9a 100644
--- a/tests/test_mcp_tools.py
+++ b/tests/test_mcp_tools.py
@@ -33,8 +33,12 @@ def built_wrapper() -> Path:
 
 @pytest.fixture(scope="module")
 def daemon_sock() -> "Path":
-    sock_dir = tmp_path / "sock"
-    sock_dir.mkdir(parents=True, exist_ok=True)
+    # AF_UNIX sun_path is capped near 104 chars; pytest's tmp_path on macOS CI
+    # runners (/private/var/folders/.../pytest-of-runner/...) exceeds it, so the
+    # daemon can't bind. Bind under a short mkdtemp dir. This also fixes a
+    # NameError: tmp_path was never a parameter of this module-scoped fixture
+    # (and the function-scoped tmp_path isn't usable from module scope anyway).
+    sock_dir = Path(tempfile.mkdtemp(prefix="iai-sock-"))
     sock_path = sock_dir / "d.sock"
     store_dir = sock_dir / "store"
     store_dir.mkdir(parents=True, exist_ok=True)
diff --git a/tests/test_socket_disconnect_reconnect.py b/tests/test_socket_disconnect_reconnect.py
index 48d13c5..5908cd0 100644
--- a/tests/test_socket_disconnect_reconnect.py
+++ b/tests/test_socket_disconnect_reconnect.py
@@ -173,8 +173,10 @@ def _drop_fake_daemon_conn(proc: subprocess.Popen) -> None:
 
 @pytest.fixture
 def fake_daemon():
-    sock_dir = tmp_path / "sock"
-    sock_dir.mkdir(parents=True, exist_ok=True)
+    # Short mkdtemp dir: AF_UNIX sun_path is capped near 104 chars and pytest's
+    # macOS CI tmp_path exceeds it, so the daemon can't bind. This also fixes a
+    # NameError — tmp_path was never a parameter of this fixture.
+    sock_dir = Path(tempfile.mkdtemp(prefix="iai-sock-"))
     sock_path = sock_dir / "d.sock"
 
     proc = _spawn_fake_daemon(sock_path)