diff --git a/validator_api/serializers.py b/validator_api/serializers.py
index ffc59ee1d..21be84109 100644
--- a/validator_api/serializers.py
+++ b/validator_api/serializers.py
@@ -1,11 +1,18 @@
+import json
 from typing import Any, Dict, List, Optional
 
-from pydantic import BaseModel, Field
+from pydantic import BaseModel, Field, model_validator
 
 
 class CompletionsRequest(BaseModel):
     """Request model for the /v1/chat/completions endpoint."""
 
+    @model_validator(mode="after")
+    def add_tools(self):
+        if self.tools:
+            self.messages.append({"role": "tool", "content": json.dumps(self.tools)})
+        return self
+
     uids: Optional[List[int]] = Field(
         default=None,
         description="List of specific miner UIDs to query. If not provided, miners will be selected automatically.",
@@ -59,6 +66,21 @@ class CompletionsRequest(BaseModel):
     )
     json_format: bool = Field(default=False, description="Enable JSON format for the response.", example=True)
     stream: bool = Field(default=False, description="Enable streaming for the response.", example=True)
+    tools: Optional[List[Dict[str, Any]]] = Field(
+        default=None,
+        description="List of tools to use for the task.",
+        # TODO: Add example that's not just from claude
+        example=[
+            {
+                "type": "function",
+                "function": {
+                    "name": "get_current_time",
+                    "description": "Get the current time",
+                    "parameters": {"timezone": {"type": "string", "description": "The timezone to get the time in"}},
+                },
+            }
+        ],
+    )
 
 
 class WebRetrievalRequest(BaseModel):