diff --git a/src/forge/actors/replay_buffer.py b/src/forge/actors/replay_buffer.py
index fd60ce35c..98e89bab6 100644
--- a/src/forge/actors/replay_buffer.py
+++ b/src/forge/actors/replay_buffer.py
@@ -9,10 +9,10 @@
 from dataclasses import dataclass
 from typing import Any, Callable
 
-from monarch.actor import endpoint
-
 from forge.controller import ForgeActor
 
+from monarch.actor import endpoint
+
 logger = logging.getLogger(__name__)
 logger.setLevel(logging.INFO)
 
@@ -38,6 +38,10 @@ async def setup(self) -> None:
         random.seed(self.seed)
         self.sampler = random.sample
 
+    @endpoint
+    def get_dp_size(self) -> int:
+        return self.dp_size
+
     @endpoint
     async def add(self, episode: "Episode") -> None:
         self.buffer.append(episode)
diff --git a/tests/unit_tests/test_replay_buffer.py b/tests/unit_tests/test_replay_buffer.py
index 4463c3f2c..4e4084ccc 100644
--- a/tests/unit_tests/test_replay_buffer.py
+++ b/tests/unit_tests/test_replay_buffer.py
@@ -17,9 +17,8 @@
 class TestReplayBuffer:
     @pytest_asyncio.fixture
     async def replay_buffer(self) -> ReplayBuffer:
-        mesh = await proc_mesh(gpus=1)
-        replay_buffer = await mesh.spawn(
-            "replay_buffer", ReplayBuffer, batch_size=2, max_policy_age=1
+        replay_buffer = await ReplayBuffer.options(procs=1).as_actor(
+            batch_size=2, max_policy_age=1
         )
         await replay_buffer.setup.call()
         return replay_buffer
@@ -112,12 +111,12 @@ async def test_sample_with_evictions(self, replay_buffer) -> None:
     @pytest.mark.asyncio
     async def test_sample_dp_size(self) -> None:
         """Test that len(samples) == dp_size when sampling."""
-        mesh = await proc_mesh(gpus=1)
         # Create replay buffer with dp_size=3
-        replay_buffer = await mesh.spawn(
-            "replay_buffer", ReplayBuffer, batch_size=2, max_policy_age=1, dp_size=3
+        replay_buffer = await ReplayBuffer.options(procs=1).as_actor(
+            batch_size=2, max_policy_age=1, dp_size=3
         )
         await replay_buffer.setup.call()
+        assert replay_buffer.get_dp_size.call_one().get() == 3
 
         # Add enough trajectories to sample
         for i in range(10):
diff --git a/tests/unit_tests/test_tmp.py b/tests/unit_tests/test_tmp.py
new file mode 100644
index 000000000..f18893768
--- /dev/null
+++ b/tests/unit_tests/test_tmp.py
@@ -0,0 +1,107 @@
+# test_dataclass_service.py
+
+from dataclasses import dataclass, field
+
+import pytest
+from forge.controller import ForgeActor
+
+from forge.interfaces import Policy as PolicyInterface
+from monarch.actor import endpoint
+
+
+@dataclass
+class DataCounter(ForgeActor):
+    """ForgeActor implemented as a dataclass."""
+
+    v: int = field(default=1)
+
+    @endpoint
+    async def value(self) -> int:
+        return self.v
+
+
+@dataclass
+class SimplePolicy(PolicyInterface):
+    """Minimal concrete policy dataclass."""
+
+    version: int = field(default=1)
+    enabled: bool = field(default=True)
+
+    @endpoint
+    async def generate(self, request):
+        # Just return the request directly as a "dummy action"
+        return request
+
+    @endpoint
+    async def update_weights(self, policy_version: int):
+        # Store the new version
+        self.version = policy_version
+        return self.version
+
+    @endpoint
+    async def get_enabled(self) -> bool:
+        """Get the enabled status."""
+        return self.enabled
+
+    @endpoint
+    async def get_version(self) -> int:
+        """Get the current version."""
+        return self.version
+
+
+@pytest.mark.asyncio
+@pytest.mark.timeout(10)
+async def test_dataclass_as_service_initialization():
+    """Test that dataclass actor can be initialized via as_service()."""
+    service = await DataCounter.as_service(42)
+    try:
+        result = await service.value.choose()
+        assert result == 42
+    finally:
+        await service.shutdown()
+
+
+@pytest.mark.asyncio
+@pytest.mark.timeout(10)
+async def test_simple_policy_as_service_and_endpoints():
+    """Test that SimplePolicy can be initialized and its endpoints work."""
+
+    # Start service with initial version=1 and default enabled=True
+    service = await SimplePolicy.as_service(version=1)
+    try:
+        # Check that the default enabled field is True
+        enabled_status = await service.get_enabled.choose()
+        assert enabled_status is True
+
+        # Initial version should be 1
+        initial_version = await service.get_version.choose()
+        assert initial_version == 1
+
+        # Update weights to version 2
+        v = await service.update_weights.choose(2)
+        assert v == 2
+
+        # Verify version was updated
+        updated_version = await service.get_version.choose()
+        assert updated_version == 2
+
+        # Call generate — should just echo back the input
+        result = await service.generate.choose("obs")
+        assert result == "obs"
+
+    finally:
+        await service.shutdown()
+
+    # Test with explicit enabled=False
+    service2 = await SimplePolicy.as_service(version=3, enabled=False)
+    try:
+        # Check that the enabled field is False
+        enabled_status2 = await service2.get_enabled.choose()
+        assert enabled_status2 is False
+
+        # Verify version is set correctly
+        version2 = await service2.get_version.choose()
+        assert version2 == 3
+
+    finally:
+        await service2.shutdown()