llm keys helper function in example agent && llm non-required api keys

agentpress/agents/simple_web_dev/agent.py

@@ -8,6 +8,7 @@ This agent can:
 - Use either XML or Standard tool calling patterns
 """
 
+import os
 import asyncio
 import json
 from agentpress.thread_manager import ThreadManager
@@ -88,6 +89,17 @@ file contents here
 
 """
 
+def get_anthropic_api_key():
+    """Get Anthropic API key from environment or prompt user."""
+    api_key = os.getenv("ANTHROPIC_API_KEY")
+    if not api_key:
+        api_key = input("\n🔑 Please enter your Anthropic API key: ").strip()
+        if not api_key:
+            print("❌ No API key provided. Please set ANTHROPIC_API_KEY environment variable or enter a key.")
+            sys.exit(1)
+        os.environ["ANTHROPIC_API_KEY"] = api_key
+    return api_key
+
 async def run_agent(thread_id: str, use_xml: bool = True, max_iterations: int = 5):
     """Run the development agent with specified configuration."""
     thread_manager = ThreadManager()
@@ -181,6 +193,8 @@ def main():
     """Main entry point with synchronous setup."""
     print("\n🚀 Welcome to AgentPress Web Developer Example!")
     
+    get_anthropic_api_key()
+    
     project_description = input("What would you like to build? (default: Create a modern, responsive landing page)\n> ")
     if not project_description.strip():
         project_description = "Create a modern, responsive landing page"

agentpress/llm.py

@@ -7,14 +7,17 @@ from openai import OpenAIError
 import asyncio
 import logging
 
-OPENAI_API_KEY = os.environ.get('OPENAI_API_KEY')
-ANTHROPIC_API_KEY = os.environ.get('ANTHROPIC_API_KEY')
-GROQ_API_KEY = os.environ.get('GROQ_API_KEY')
-AGENTOPS_API_KEY = os.environ.get('AGENTOPS_API_KEY')
+OPENAI_API_KEY = os.environ.get('OPENAI_API_KEY', None)
+ANTHROPIC_API_KEY = os.environ.get('ANTHROPIC_API_KEY', None) 
+GROQ_API_KEY = os.environ.get('GROQ_API_KEY', None)
+AGENTOPS_API_KEY = os.environ.get('AGENTOPS_API_KEY', None)
 
-os.environ['OPENAI_API_KEY'] = OPENAI_API_KEY
-os.environ['ANTHROPIC_API_KEY'] = ANTHROPIC_API_KEY
-os.environ['GROQ_API_KEY'] = GROQ_API_KEY
+if OPENAI_API_KEY:
+    os.environ['OPENAI_API_KEY'] = OPENAI_API_KEY
+if ANTHROPIC_API_KEY:
+    os.environ['ANTHROPIC_API_KEY'] = ANTHROPIC_API_KEY
+if GROQ_API_KEY:
+    os.environ['GROQ_API_KEY'] = GROQ_API_KEY
 
 async def make_llm_api_call(
     messages: list,