diff --git a/letta/services/tool_executor/sandbox_tool_executor.py b/letta/services/tool_executor/sandbox_tool_executor.py
index d0153dd2..5189b5e1 100644
--- a/letta/services/tool_executor/sandbox_tool_executor.py
+++ b/letta/services/tool_executor/sandbox_tool_executor.py
@@ -13,7 +13,6 @@ from letta.schemas.user import User
 from letta.services.agent_manager import AgentManager
 from letta.services.tool_executor.tool_executor_base import ToolExecutor
 from letta.services.tool_sandbox.local_sandbox import AsyncToolSandboxLocal
-from letta.services.tool_sandbox.modal_sandbox import AsyncToolSandboxModal
 from letta.settings import tool_settings
 from letta.types import JsonDict
 from letta.utils import get_friendly_error_msg
@@ -22,6 +21,8 @@ logger = get_logger(__name__)
 
 if tool_settings.e2b_api_key:
     from letta.services.tool_sandbox.e2b_sandbox import AsyncToolSandboxE2B
+if tool_settings.modal_api_key:
+    from letta.services.tool_sandbox.modal_sandbox import AsyncToolSandboxModal
 
 
 class SandboxToolExecutor(ToolExecutor):
diff --git a/pyproject.toml b/pyproject.toml
index 0ab250f6..37e06cbb 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -115,7 +115,7 @@ pinecone = ["pinecone"]
 dev = ["pytest", "pytest-asyncio", "pexpect", "black", "pre-commit", "pyright", "pytest-order", "autoflake", "isort", "locust"]
 experimental = ["uvloop", "granian", "google-cloud-profiler"]
 server = ["websockets", "fastapi", "uvicorn"]
-cloud-tool-sandbox = ["e2b-code-interpreter", "modal"]
+cloud-tool-sandbox = ["e2b-code-interpreter", "modal"] # TODO: split this up
 external-tools = ["docker", "langchain", "wikipedia", "langchain-community", "firecrawl-py"]
 tests = ["wikipedia"]
 bedrock = ["boto3", "aioboto3"]