diff --git a/python/packages/devui/agent_framework_devui/_executor.py b/python/packages/devui/agent_framework_devui/_executor.py
index e217341511c..8d0d879ff09 100644
--- a/python/packages/devui/agent_framework_devui/_executor.py
+++ b/python/packages/devui/agent_framework_devui/_executor.py
@@ -375,6 +375,8 @@ async def _execute_agent(
                 run_kwargs: dict[str, Any] = {"stream": True}
                 if session:
                     run_kwargs["session"] = session
+                if request.function_invocation_kwargs is not None:
+                    run_kwargs["function_invocation_kwargs"] = request.function_invocation_kwargs
 
                 stream = cast(Any, agent.run(user_message, **run_kwargs))
                 async for update in stream:
diff --git a/python/packages/devui/agent_framework_devui/models/_openai_custom.py b/python/packages/devui/agent_framework_devui/models/_openai_custom.py
index d64b1ec49c3..8d887a37528 100644
--- a/python/packages/devui/agent_framework_devui/models/_openai_custom.py
+++ b/python/packages/devui/agent_framework_devui/models/_openai_custom.py
@@ -312,6 +312,9 @@ class AgentFrameworkRequest(BaseModel):
     # Reasoning parameters (for o-series models)
     reasoning: dict[str, Any] | None = None  # {"effort": "low" | "medium" | "high" | "minimal"}
 
+    # Agent Framework tool invocation context
+    function_invocation_kwargs: dict[str, Any] | None = None
+
     # Optional extra_body for advanced use cases
     extra_body: dict[str, Any] | None = None
 
diff --git a/python/packages/devui/tests/devui/test_execution.py b/python/packages/devui/tests/devui/test_execution.py
index f1c03c1728e..9c299e41b1b 100644
--- a/python/packages/devui/tests/devui/test_execution.py
+++ b/python/packages/devui/tests/devui/test_execution.py
@@ -13,12 +13,16 @@
 import tempfile
 from pathlib import Path
 from typing import Any
+from unittest.mock import patch
 
 import pytest
 from agent_framework import Agent, AgentExecutor, FunctionExecutor, WorkflowBuilder
 
 # Import mock classes from conftest for direct use in some tests
-from conftest import MockBaseChatClient  # pyrefly: ignore[missing-import] # pyright: ignore[reportMissingImports]
+from conftest import (  # pyrefly: ignore[missing-import] # pyright: ignore[reportMissingImports]
+    MockAgent,
+    MockBaseChatClient,
+)
 
 from agent_framework_devui._discovery import EntityDiscovery
 from agent_framework_devui._executor import AgentFrameworkExecutor, EntityNotFoundError
@@ -159,6 +163,27 @@ async def test_chat_client_receives_correct_messages(executor_with_real_agent):
     assert "2+2" in all_text, f"Expected '2+2' in messages, got text: '{all_text}'"
 
 
+async def test_agent_execution_forwards_function_invocation_kwargs() -> None:
+    """Forward request-scoped function invocation arguments to the agent."""
+    discovery = EntityDiscovery(None)
+    executor = AgentFrameworkExecutor(discovery, MessageMapper())
+    agent = MockAgent()
+    entity_info = await discovery.create_entity_info_from_object(agent, source="test")
+    discovery.register_entity(entity_info.id, entity_info, agent)
+    request = AgentFrameworkRequest(
+        metadata={"entity_id": entity_info.id},
+        input="hello",
+        stream=True,
+        function_invocation_kwargs={"tenantId": "abc123"},
+    )
+
+    with patch.object(agent, "run", wraps=agent.run) as run_spy:
+        async for _ in executor.execute_streaming(request):
+            pass
+
+    assert run_spy.call_args.kwargs["function_invocation_kwargs"] == {"tenantId": "abc123"}
+
+
 # =============================================================================
 # Workflow Execution Tests (using real WorkflowBuilder with FunctionExecutor)
 # =============================================================================