diff --git a/eval/distributed/launch.py b/eval/distributed/launch.py
index 6b4ad0a8..fb108ded 100755
--- a/eval/distributed/launch.py
+++ b/eval/distributed/launch.py
@@ -189,13 +189,13 @@ def check_dataset_exists(repo_id):
         return False
 
 
-def create_evaluation_dataset(tasks, system_instruction=None):
+def create_evaluation_dataset(tasks, namespace, system_instruction=None):
     """Create or use cached evaluation dataset."""
     print_header("Preparing Evaluation Dataset")
 
     # Generate a cached dataset name based on tasks
     eval_dataset_hash = generate_evaluation_dataset_hash(tasks, system_instruction)
-    cached_dataset_id = f"mlfoundations-dev/evalset_{eval_dataset_hash}"
+    cached_dataset_id = f"{namespace}/evalset_{eval_dataset_hash}"
 
     # Check if the cached dataset exists
     if check_dataset_exists(cached_dataset_id):
@@ -693,6 +693,13 @@ def main():
     parser.add_argument("--tp4", action="store_true", help="Use Tensor Parallelism with 4 GPUs")
     parser.add_argument("--timestamp", action="store_true", help="Add a timestamp to the output evaluation dataset")
     parser.add_argument("--on_login", action="store_true", help="Run on login node instead of sbatch job")
+    parser.add_argument(
+        "--hf_namespace",
+        type=str,
+        default=os.environ.get("EVALCHEMY_HF_NAMESPACE", "mlfoundations-dev"),
+        help="Hugging Face namespace (user or org) for cached datasets and uploads. "
+        "Set via CLI or EVALCHEMY_HF_NAMESPACE env var.",
+    )
 
     args = parser.parse_args()
 
@@ -721,10 +728,10 @@ def main():
         suffix = f"_eval_{evaluation_dataset_hash}"
     remaining_characters = 96 - len(suffix)
     model_name_short = args.model_name.split("/")[-1][:remaining_characters]
-    output_dataset = f"mlfoundations-dev/{model_name_short}{suffix}"
+    output_dataset = f"{args.hf_namespace}/{model_name_short}{suffix}"
 
     # Create or get cached evaluation dataset
-    input_dataset = create_evaluation_dataset(tasks, args.system_instruction)
+    input_dataset = create_evaluation_dataset(tasks, args.hf_namespace, args.system_instruction)
     if not input_dataset:
         sys.exit(1)
 
diff --git a/eval/distributed/launch_local.py b/eval/distributed/launch_local.py
index b2a7a25c..a74ed83c 100644
--- a/eval/distributed/launch_local.py
+++ b/eval/distributed/launch_local.py
@@ -210,13 +210,13 @@ def check_dataset_exists(repo_id):
         return False
 
 
-def create_evaluation_dataset(tasks, system_instruction=None):
+def create_evaluation_dataset(tasks, namespace, system_instruction=None):
     """Create or use cached evaluation dataset."""
     print_header("Preparing Evaluation Dataset")
 
     # Generate a cached dataset name based on tasks
     eval_dataset_hash = generate_evaluation_dataset_hash(tasks, system_instruction)
-    cached_dataset_id = f"mlfoundations-dev/evalset_{eval_dataset_hash}"
+    cached_dataset_id = f"{namespace}/evalset_{eval_dataset_hash}"
 
     # Check if the cached dataset exists
     if check_dataset_exists(cached_dataset_id):
@@ -886,6 +886,13 @@ def main():
     parser.add_argument("--system_instruction", type=str, default=None, help="System instruction for the model")
     parser.add_argument("--tp4", action="store_true", help="Use Tensor Parallelism with 4 GPUs")
     parser.add_argument("--timestamp", action="store_true", help="Add a timestamp to the output evaluation dataset")
+    parser.add_argument(
+        "--hf_namespace",
+        type=str,
+        default=os.environ.get("EVALCHEMY_HF_NAMESPACE", "mlfoundations-dev"),
+        help="Hugging Face namespace (user or org) for cached datasets and uploads. "
+        "Set via CLI or EVALCHEMY_HF_NAMESPACE env var.",
+    )
 
     args = parser.parse_args()
 
@@ -921,10 +928,10 @@ def main():
         suffix = f"_eval_{evaluation_dataset_hash}"
     remaining_characters = 96 - len(suffix)
     model_name_short = args.model_name.split("/")[-1][:remaining_characters]
-    output_dataset = f"mlfoundations-dev/{model_name_short}{suffix}"
+    output_dataset = f"{args.hf_namespace}/{model_name_short}{suffix}"
 
     # Create or get cached evaluation dataset
-    input_dataset = create_evaluation_dataset(tasks, args.system_instruction)
+    input_dataset = create_evaluation_dataset(tasks, args.hf_namespace, args.system_instruction)
     if not input_dataset:
         sys.exit(1)
 
diff --git a/eval/distributed/launch_simple.py b/eval/distributed/launch_simple.py
index 2328e13c..56e5dd7d 100755
--- a/eval/distributed/launch_simple.py
+++ b/eval/distributed/launch_simple.py
@@ -95,9 +95,9 @@ def execute_command(cmd):
     return stdout.strip()
 
 
-def create_evaluation_dataset(tasks, eval_dataset_hash, system_instruction=None):
+def create_evaluation_dataset(tasks, eval_dataset_hash, namespace, system_instruction=None):
     """Create or use cached evaluation dataset."""
-    cached_dataset_id = f"mlfoundations-dev/evalset_{eval_dataset_hash}"
+    cached_dataset_id = f"{namespace}/evalset_{eval_dataset_hash}"
     if check_dataset_exists(cached_dataset_id):
         print(f"Using cached evaluation dataset: {cached_dataset_id}")
     else:
@@ -149,6 +149,13 @@ def main():
     parser.add_argument(
         "--dependency", type=str, default=None, help="Dependency for the sbatch job. (e.g. afterok:123456)"
     )
+    parser.add_argument(
+        "--hf_namespace",
+        type=str,
+        default=os.environ.get("EVALCHEMY_HF_NAMESPACE", "DCAgent2"),
+        help="Hugging Face namespace (user or org) for cached datasets and uploads. "
+        "Set via CLI or EVALCHEMY_HF_NAMESPACE env var.",
+    )
     args = parser.parse_args()
 
     # Generate evaluation dataset hash
@@ -156,7 +163,9 @@ def main():
     evaluation_dataset_hash = generate_evaluation_dataset_hash(tasks, args.system_instruction)
 
     # Download or create input dataset
-    input_dataset = create_evaluation_dataset(tasks, evaluation_dataset_hash, args.system_instruction)
+    input_dataset = create_evaluation_dataset(
+        tasks, evaluation_dataset_hash, args.hf_namespace, args.system_instruction
+    )
 
     # Create output dataset name
     if args.timestamp:
@@ -165,7 +174,7 @@ def main():
     else:
         suffix = f"_eval_{evaluation_dataset_hash}"
     output_dataset_name = args.model_name.split("/")[-1] + suffix
-    output_dataset = f"mlfoundations-dev/{output_dataset_name}"
+    output_dataset = f"{args.hf_namespace}/{output_dataset_name}"
     print(f"Output dataset: {output_dataset}")
 
     # Create output log dir
diff --git a/pyproject.toml b/pyproject.toml
index e39e4043..27e57f73 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -74,7 +74,6 @@ dependencies = [
     "reka-api",
     "together",
     "dashscope",
-    "fschat @ file:eval/chat_benchmarks/MTBench",  # Use relative path that pip will resolve during installation
     
     # Cloud & Storage
     "gcsfs",