Initial commit: Gemini MCP Server

- MCP server implementation for Google Gemini models
- Support for multiple Gemini models including 1.5 Pro and 2.5 Pro preview
- Chat tool with configurable parameters (temperature, max_tokens, model)
- List models tool to view available Gemini models
- System prompt support
- Comprehensive error handling for blocked responses
- Test suite included
- Documentation and examples

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

test_server.py

@@ -0,0 +1,70 @@
+#!/usr/bin/env python3
+"""
+Test script for Gemini MCP Server
+"""
+
+import os
+import asyncio
+import json
+from gemini_server import configure_gemini, handle_call_tool, handle_list_tools
+
+
+async def test_server():
+    """Test the server functionality"""
+    print("Testing Gemini MCP Server...")
+    print("-" * 50)
+    
+    # Test configuration
+    try:
+        configure_gemini()
+        print("✓ Gemini API configured successfully")
+    except Exception as e:
+        print(f"✗ Failed to configure Gemini API: {e}")
+        return
+    
+    # Test listing tools
+    print("\n1. Testing list_tools...")
+    tools = await handle_list_tools()
+    print(f"✓ Found {len(tools)} tools:")
+    for tool in tools:
+        print(f"  - {tool.name}: {tool.description}")
+    
+    # Test list_models
+    print("\n2. Testing list_models tool...")
+    models_result = await handle_call_tool("list_models", {})
+    print("✓ Available models:")
+    print(models_result[0].text)
+    
+    # Test chat
+    print("\n3. Testing chat tool...")
+    chat_result = await handle_call_tool("chat", {
+        "prompt": "What is the capital of France?",
+        "temperature": 0.3,
+        "max_tokens": 50
+    })
+    print("✓ Chat response:")
+    print(chat_result[0].text)
+    
+    # Test chat with system prompt
+    print("\n4. Testing chat with system prompt...")
+    chat_result = await handle_call_tool("chat", {
+        "prompt": "What's 2+2?",
+        "system_prompt": "You are a helpful math tutor. Always explain your reasoning step by step.",
+        "temperature": 0.3,
+        "max_tokens": 200
+    })
+    print("✓ Chat response with system prompt:")
+    print(chat_result[0].text)
+    
+    print("\n" + "-" * 50)
+    print("All tests completed!")
+
+
+if __name__ == "__main__":
+    # Check for API key
+    if not os.getenv("GEMINI_API_KEY"):
+        print("Error: GEMINI_API_KEY environment variable is not set")
+        print("Please set it with: export GEMINI_API_KEY='your-api-key'")
+        exit(1)
+    
+    asyncio.run(test_server())