Update market_data.py

tools/market_data.py

@@ -1,23 +1,24 @@
 import requests
 from crewai.tools import BaseTool
 from pydantic import BaseModel, Field
+from typing import Type
 
 
 # ---------- Input Schema ----------
 class MarketDataInput(BaseModel):
-    symbol: str = Field(..., description="Cryptocurrency ID in CoinGecko format, e.g., 'bitcoin'")
-    currency: str = Field(default="usd", description="Fiat currency, e.g., 'usd', 'eur', 'gbp'")
-
+    symbol: str = Field(default="bitcoin", description="Crypto asset ID on CoinGecko")
+    currency: str = Field(default="usd", description="Fiat currency (usd, eur, etc.)")
 
 # ---------- Tool ----------
 class MarketDataTool(BaseTool):
-    name = "get_market_data"
-    description = (
-        "Fetches structured market data for a cryptocurrency including price and 24h volume "
-        "using the CoinGecko API."
-    )
-    args_schema = MarketDataInput
-
+    args_schema = Type[BaseModel] = MarketDataInput
+    class config:
+        name = "get_market_data"
+        description = (
+            "Fetches the current market price of a cryptocurrency "
+            "in a chosen fiat currency using the CoinGecko API."
+        )
+    
     def _run(self, symbol: str = "bitcoin", currency: str = "usd") -> dict:
         """
         Returns structured JSON: