diff --git a/docs/_static/llama-stack-spec.html b/docs/_static/llama-stack-spec.html
index 98e959780..ce47f8ebb 100644
--- a/docs/_static/llama-stack-spec.html
+++ b/docs/_static/llama-stack-spec.html
@@ -7255,6 +7255,35 @@
                             "type": "string"
                         }
                     },
+                    "filters": {
+                        "type": "object",
+                        "additionalProperties": {
+                            "oneOf": [
+                                {
+                                    "type": "null"
+                                },
+                                {
+                                    "type": "boolean"
+                                },
+                                {
+                                    "type": "number"
+                                },
+                                {
+                                    "type": "string"
+                                },
+                                {
+                                    "type": "array"
+                                },
+                                {
+                                    "type": "object"
+                                }
+                            ]
+                        }
+                    },
+                    "max_num_results": {
+                        "type": "integer",
+                        "default": 10
+                    },
                     "ranking_options": {
                         "type": "object",
                         "properties": {
diff --git a/docs/_static/llama-stack-spec.yaml b/docs/_static/llama-stack-spec.yaml
index b31f6bbb0..07a176b32 100644
--- a/docs/_static/llama-stack-spec.yaml
+++ b/docs/_static/llama-stack-spec.yaml
@@ -5157,6 +5157,19 @@ components:
           type: array
           items:
             type: string
+        filters:
+          type: object
+          additionalProperties:
+            oneOf:
+              - type: 'null'
+              - type: boolean
+              - type: number
+              - type: string
+              - type: array
+              - type: object
+        max_num_results:
+          type: integer
+          default: 10
         ranking_options:
           type: object
           properties:
diff --git a/llama_stack/apis/agents/openai_responses.py b/llama_stack/apis/agents/openai_responses.py
index bdd9c3e26..2e1cb257a 100644
--- a/llama_stack/apis/agents/openai_responses.py
+++ b/llama_stack/apis/agents/openai_responses.py
@@ -409,8 +409,9 @@ class FileSearchRankingOptions(BaseModel):
 class OpenAIResponseInputToolFileSearch(BaseModel):
     type: Literal["file_search"] = "file_search"
     vector_store_ids: list[str]
+    filters: dict[str, Any] | None = None
+    max_num_results: int | None = Field(default=10, ge=1, le=50)
     ranking_options: FileSearchRankingOptions | None = None
-    # TODO: add filters, max_num_results
 
 
 class ApprovalFilter(BaseModel):
diff --git a/llama_stack/providers/inline/agents/meta_reference/openai_responses.py b/llama_stack/providers/inline/agents/meta_reference/openai_responses.py
index 963dd1ddd..33fcbfa5d 100644
--- a/llama_stack/providers/inline/agents/meta_reference/openai_responses.py
+++ b/llama_stack/providers/inline/agents/meta_reference/openai_responses.py
@@ -64,7 +64,7 @@ from llama_stack.apis.inference.inference import (
     OpenAIToolMessageParam,
     OpenAIUserMessageParam,
 )
-from llama_stack.apis.tools.tools import ToolGroups, ToolRuntime
+from llama_stack.apis.tools import RAGQueryConfig, ToolGroups, ToolRuntime
 from llama_stack.log import get_logger
 from llama_stack.models.llama.datatypes import ToolDefinition, ToolParamDefinition
 from llama_stack.providers.utils.inference.openai_compat import convert_tooldef_to_openai_tool
@@ -699,7 +699,15 @@ class OpenAIResponsesImpl:
                         t for t in ctx.response_tools if isinstance(t, OpenAIResponseInputToolFileSearch)
                     )
                     if response_file_search_tool:
+                        if response_file_search_tool.filters:
+                            logger.warning("Filters are not yet supported for file_search tool")
+                        if response_file_search_tool.ranking_options:
+                            logger.warning("Ranking options are not yet supported for file_search tool")
                         tool_kwargs["vector_db_ids"] = response_file_search_tool.vector_store_ids
+                        tool_kwargs["query_config"] = RAGQueryConfig(
+                            mode="vector",
+                            max_chunks=response_file_search_tool.max_num_results,
+                        )
                 result = await self.tool_runtime_api.invoke_tool(
                     tool_name=function.name,
                     kwargs=tool_kwargs,