diff --git a/zetta_utils/api/v0.py b/zetta_utils/api/v0.py
index 9d1c7832b..326190485 100644
--- a/zetta_utils/api/v0.py
+++ b/zetta_utils/api/v0.py
@@ -71,6 +71,7 @@
     service_ctx_manager,
 )
 from zetta_utils.common.ctx_managers import set_env_ctx_mngr
+from zetta_utils.common.misc import get_unique_id
 from zetta_utils.common.partial import ComparablePartial
 from zetta_utils.common.path import abspath
 from zetta_utils.common.pprint import lrpad, lrpadprint, utcnow_ISO8601
@@ -227,11 +228,7 @@
     flow_schema_cls,
     sequential_flow,
 )
-from zetta_utils.mazepa.id_generation import (
-    generate_invocation_id,
-    get_literal_id_fn,
-    get_unique_id,
-)
+from zetta_utils.mazepa.id_generation import generate_invocation_id, get_literal_id_fn
 from zetta_utils.mazepa.progress_tracker import (
     ProgressUpdateFN,
     get_confirm_sigint_fn,
diff --git a/zetta_utils/common/__init__.py b/zetta_utils/common/__init__.py
index 1150a881f..9d240bf53 100644
--- a/zetta_utils/common/__init__.py
+++ b/zetta_utils/common/__init__.py
@@ -6,7 +6,7 @@
 
 from . import user_input
 from .user_input import get_user_input, get_user_confirmation
-
+from .misc import get_unique_id
 from .path import abspath, is_local
 from .pprint import lrpad
 from .signal_handlers import custom_signal_handler_ctx
diff --git a/zetta_utils/common/misc.py b/zetta_utils/common/misc.py
new file mode 100644
index 000000000..d684807e9
--- /dev/null
+++ b/zetta_utils/common/misc.py
@@ -0,0 +1,25 @@
+import uuid
+from typing import Optional
+
+from coolname import generate_slug
+
+
+def get_unique_id(
+    slug_len: int = 3,
+    add_uuid: bool = True,
+    prefix: Optional[str] = None,
+    max_len: int = 320,
+) -> str:  # pragma: no cover
+    slug = generate_slug(slug_len)
+    if prefix is not None:
+        result = f"{prefix}-{slug}"
+    else:
+        result = f"{slug}"
+
+    if add_uuid:
+        unique_id = str(uuid.uuid1())
+        result += unique_id
+    result = result[:max_len]
+    while not result[-1].isalpha():
+        result = result[:-1]
+    return result
diff --git a/zetta_utils/constants.py b/zetta_utils/constants.py
index ec7e5822f..d1524af29 100644
--- a/zetta_utils/constants.py
+++ b/zetta_utils/constants.py
@@ -1,4 +1,5 @@
 """Common project-wide constants."""
 
 DEFAULT_PROJECT = "zetta-research"
+DEFAULT_FIRESTORE_DB = "zetta-utils"
 RUN_DATABASE: str | None = "run-db"
diff --git a/zetta_utils/layer/db_layer/datastore/__init__.py b/zetta_utils/layer/db_layer/datastore/__init__.py
index b12698026..4b6f60272 100644
--- a/zetta_utils/layer/db_layer/datastore/__init__.py
+++ b/zetta_utils/layer/db_layer/datastore/__init__.py
@@ -1,2 +1,3 @@
 from .backend import DatastoreBackend
 from .build import build_datastore_layer
+from .temp_layer_ctx import temp_datastore_layer_ctx
diff --git a/zetta_utils/layer/db_layer/datastore/temp_layer_ctx.py b/zetta_utils/layer/db_layer/datastore/temp_layer_ctx.py
new file mode 100644
index 000000000..ccd8e1e05
--- /dev/null
+++ b/zetta_utils/layer/db_layer/datastore/temp_layer_ctx.py
@@ -0,0 +1,18 @@
+from contextlib import contextmanager
+
+from zetta_utils.common import get_unique_id
+from zetta_utils.constants import DEFAULT_PROJECT
+
+from .build import build_datastore_layer
+
+
+@contextmanager
+def temp_datastore_layer_ctx(
+    prefix: str | None = None, project: str = DEFAULT_PROJECT
+):  # pragma: no cover # pure delegation
+    db_layer = build_datastore_layer(
+        namespace=get_unique_id(prefix=prefix, add_uuid=False), project=project
+    )
+    yield db_layer
+    # TODO: Clear in batches to not go over the datastore limit
+    db_layer.backend.clear()
diff --git a/zetta_utils/layer/db_layer/firestore/__init__.py b/zetta_utils/layer/db_layer/firestore/__init__.py
index bb2a14d53..46c820ce6 100644
--- a/zetta_utils/layer/db_layer/firestore/__init__.py
+++ b/zetta_utils/layer/db_layer/firestore/__init__.py
@@ -1,2 +1,3 @@
 from .backend import FirestoreBackend
 from .build import build_firestore_layer
+from .temp_layer_ctx import temp_firestore_layer_ctx
diff --git a/zetta_utils/layer/db_layer/firestore/temp_layer_ctx.py b/zetta_utils/layer/db_layer/firestore/temp_layer_ctx.py
new file mode 100644
index 000000000..3b6f4f4f6
--- /dev/null
+++ b/zetta_utils/layer/db_layer/firestore/temp_layer_ctx.py
@@ -0,0 +1,17 @@
+from contextlib import contextmanager
+
+from zetta_utils.common import get_unique_id
+from zetta_utils.constants import DEFAULT_FIRESTORE_DB, DEFAULT_PROJECT
+
+from .build import build_firestore_layer
+
+
+@contextmanager
+def temp_firestore_layer_ctx(
+    prefix: str | None = None, database=DEFAULT_FIRESTORE_DB, project: str = DEFAULT_PROJECT
+):  # pragma: no cover # pure delegation
+    db_layer = build_firestore_layer(
+        collection=get_unique_id(prefix=prefix, add_uuid=False), database=database, project=project
+    )
+    yield db_layer
+    db_layer.backend.clear()
diff --git a/zetta_utils/mazepa/execution.py b/zetta_utils/mazepa/execution.py
index 721e16089..27809b26d 100644
--- a/zetta_utils/mazepa/execution.py
+++ b/zetta_utils/mazepa/execution.py
@@ -12,14 +12,13 @@
 from typeguard import typechecked
 
 from zetta_utils import log
-from zetta_utils.common import ComparablePartial
+from zetta_utils.common import ComparablePartial, get_unique_id
 from zetta_utils.mazepa.autoexecute_task_queue import AutoexecuteTaskQueue
 from zetta_utils.message_queues.base import PullMessageQueue, PushMessageQueue
 
 from . import Flow, Task, dryrun, sequential_flow
 from .execution_checkpoint import EXECUTION_CHECKPOINT_PATH, record_execution_checkpoint
 from .execution_state import ExecutionState, InMemoryExecutionState
-from .id_generation import get_unique_id
 from .progress_tracker import progress_ctx_mngr
 from .task_outcome import OutcomeReport, TaskStatus
 from .tasks import _TaskableOperation
diff --git a/zetta_utils/mazepa/id_generation.py b/zetta_utils/mazepa/id_generation.py
index 62884393a..d83cb30de 100644
--- a/zetta_utils/mazepa/id_generation.py
+++ b/zetta_utils/mazepa/id_generation.py
@@ -6,35 +6,12 @@
 
 import dill
 import xxhash
-from coolname import generate_slug
 
 from zetta_utils import log
 
 logger = log.get_logger("mazepa")
 
 
-def get_unique_id(
-    slug_len: int = 3,
-    add_uuid: bool = True,
-    prefix: Optional[str] = None,
-    max_len: int = 320,
-) -> str:  # pragma: no cover
-    slug = generate_slug(slug_len)
-
-    if prefix is not None:
-        result = f"{prefix}-{slug}"
-    else:
-        result = f"{slug}"
-
-    if add_uuid:
-        unique_id = str(uuid.uuid1())
-        result += unique_id
-    result = result[:max_len]
-    while not result[-1].isalpha():
-        result = result[:-1]
-    return result
-
-
 def generate_invocation_id(
     fn: Optional[Callable] = None,
     args: Optional[list] = None,
diff --git a/zetta_utils/run/__init__.py b/zetta_utils/run/__init__.py
index c64d2a177..2dcebd90a 100644
--- a/zetta_utils/run/__init__.py
+++ b/zetta_utils/run/__init__.py
@@ -12,10 +12,9 @@
 from gcsfs import GCSFileSystem
 
 from zetta_utils import constants, log
-from zetta_utils.common import RepeatTimer
+from zetta_utils.common import RepeatTimer, get_unique_id
 from zetta_utils.layer.db_layer import DBRowDataT
 from zetta_utils.layer.db_layer.firestore import build_firestore_layer
-from zetta_utils.mazepa import id_generation
 from zetta_utils.parsing import json
 
 from .resource import (
@@ -123,7 +122,7 @@ def _send_heartbeat():
         update_run_info(RUN_ID, info)
 
     if run_id is None:
-        run_id = id_generation.get_unique_id(slug_len=4, add_uuid=False, max_len=50)
+        run_id = get_unique_id(slug_len=4, add_uuid=False, max_len=50)
 
     global RUN_ID  # pylint: disable=global-statement
     RUN_ID = run_id