diff --git a/requirements.txt b/requirements.txt
index 184468b8..46e9ec62 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,3 +19,8 @@ typer
 questionary
 langchain_anthropic
 langchain-google-genai
+py-clob-client
+tavily-python
+tweepy
+praw
+pydantic
diff --git a/tradingagents/default_config.py b/tradingagents/default_config.py
index ecf0dc29..2994d4f1 100644
--- a/tradingagents/default_config.py
+++ b/tradingagents/default_config.py
@@ -8,27 +8,28 @@ DEFAULT_CONFIG = {
         "dataflows/data_cache",
     ),
     # LLM settings
-    "llm_provider": "openai",
-    "deep_think_llm": "gpt-5.2",
-    "quick_think_llm": "gpt-5-mini",
-    "backend_url": "https://api.openai.com/v1",
+    "llm_provider": "openrouter",
+    "deep_think_llm": "z-ai/glm-4.5-air:free",
+    "quick_think_llm": "nvidia/nemotron-3-nano-30b-a3b:free",
+    "backend_url": "https://openrouter.ai/api/v1",
     # Provider-specific thinking configuration
-    "google_thinking_level": None,      # "high", "minimal", etc.
-    "openai_reasoning_effort": None,    # "medium", "high", "low"
+    "google_thinking_level": None,
+    "openai_reasoning_effort": None,
     # Debate and discussion settings
-    "max_debate_rounds": 1,
+    "max_debate_rounds": 1,        # 1 round = 3 turns in 3-way debate
     "max_risk_discuss_rounds": 1,
     "max_recur_limit": 100,
-    # Data vendor configuration
-    # Category-level configuration (default for all tools in category)
-    "data_vendors": {
-        "core_stock_apis": "yfinance",       # Options: alpha_vantage, yfinance
-        "technical_indicators": "yfinance",  # Options: alpha_vantage, yfinance
-        "fundamental_data": "yfinance",      # Options: alpha_vantage, yfinance
-        "news_data": "yfinance",             # Options: alpha_vantage, yfinance
-    },
-    # Tool-level configuration (takes precedence over category-level)
-    "tool_vendors": {
-        # Example: "get_stock_data": "alpha_vantage",  # Override category default
+    # API keys (loaded from env)
+    "tavily_api_key": os.getenv("TAVILY_API_KEY"),
+    "twitter_bearer_token": os.getenv("TWITTER_BEARER_TOKEN"),
+    "reddit_client_id": os.getenv("REDDIT_CLIENT_ID"),
+    "reddit_client_secret": os.getenv("REDDIT_CLIENT_SECRET"),
+    "polymarket_relayer_key": os.getenv("POLYMARKET_RELAYER_KEY"),
+    # Auto-scan defaults
+    "scan_defaults": {
+        "min_volume_24h": 10000,
+        "min_liquidity": 5000,
+        "max_days_to_end": 30,
+        "categories": [],
     },
 }