Add graceful fallback for MCP import in test script

- Add try/except block for MCP package import
- Provide helpful error message when MCP is not installed
- Exit gracefully with status code 1 on import failure

Addresses code review feedback.

test_character_mcp.py

@@ -0,0 +1,187 @@
+#!/usr/bin/env python3
+"""
+Test script for the Character Details MCP server.
+Tests all available tools to verify functionality.
+"""
+
+import asyncio
+import json
+import sys
+
+# MCP dependency with graceful fallback
+try:
+    from mcp import ClientSession, StdioServerParameters
+    from mcp.client.stdio import stdio_client
+    MCP_AVAILABLE = True
+except ImportError:
+    MCP_AVAILABLE = False
+    print("=" * 80)
+    print("ERROR: MCP package is not installed.")
+    print("Install it with: pip install mcp")
+    print("=" * 80)
+    sys.exit(1)
+
+
+async def test_character_mcp():
+    """Test the Character Details MCP server tools."""
+    
+    # Server parameters - using uv to run the character-details server
+    server_params = StdioServerParameters(
+        command="uv",
+        args=[
+            "run",
+            "--directory",
+            "tools/character-mcp",
+            "character-details"
+        ],
+        env=None
+    )
+    
+    print("=" * 80)
+    print("Testing Character Details MCP Server")
+    print("=" * 80)
+    
+    async with stdio_client(server_params) as (read, write):
+        async with ClientSession(read, write) as session:
+            # Initialize the session
+            await session.initialize()
+            
+            # List available tools
+            print("\n📋 Available Tools:")
+            print("-" * 80)
+            tools = await session.list_tools()
+            for tool in tools.tools:
+                print(f"  • {tool.name}: {tool.description}")
+            
+            # Test 1: Get character details for Aerith Gainsborough
+            print("\n\n🔍 Test 1: Getting character details for Aerith Gainsborough")
+            print("-" * 80)
+            try:
+                result = await session.call_tool(
+                    "get_character",
+                    arguments={
+                        "name": "Aerith Gainsborough",
+                        "franchise": "Final Fantasy VII"
+                    }
+                )
+                print("✅ Success!")
+                for content in result.content:
+                    if hasattr(content, 'text'):
+                        # Print first 500 chars to see structure
+                        text = content.text
+                        print(f"\nReceived {len(text)} characters of data")
+                        print("\nFirst 500 characters:")
+                        print(text[:500])
+                        print("...")
+            except Exception as e:
+                print(f"❌ Error: {e}")
+            
+            # Test 2: List cached characters
+            print("\n\n📚 Test 2: Listing cached characters")
+            print("-" * 80)
+            try:
+                result = await session.call_tool("list_characters", arguments={})
+                print("✅ Success!")
+                for content in result.content:
+                    if hasattr(content, 'text'):
+                        print(content.text)
+            except Exception as e:
+                print(f"❌ Error: {e}")
+            
+            # Test 3: Generate image prompt
+            print("\n\n🎨 Test 3: Generating image prompt for Aerith")
+            print("-" * 80)
+            try:
+                result = await session.call_tool(
+                    "generate_image_prompt",
+                    arguments={
+                        "name": "Aerith Gainsborough",
+                        "franchise": "Final Fantasy VII",
+                        "style": "anime",
+                        "scene": "tending flowers in the church",
+                        "extra_tags": "soft lighting, peaceful atmosphere"
+                    }
+                )
+                print("✅ Success!")
+                for content in result.content:
+                    if hasattr(content, 'text'):
+                        print("\nGenerated prompt:")
+                        print(content.text)
+            except Exception as e:
+                print(f"❌ Error: {e}")
+            
+            # Test 4: Generate story context
+            print("\n\n📖 Test 4: Generating story context for Aerith")
+            print("-" * 80)
+            try:
+                result = await session.call_tool(
+                    "generate_story_context",
+                    arguments={
+                        "name": "Aerith Gainsborough",
+                        "franchise": "Final Fantasy VII",
+                        "scenario": "Meeting Cloud for the first time in the Sector 5 church",
+                        "include_abilities": True
+                    }
+                )
+                print("✅ Success!")
+                for content in result.content:
+                    if hasattr(content, 'text'):
+                        text = content.text
+                        print(f"\nReceived {len(text)} characters of story context")
+                        print("\nFirst 800 characters:")
+                        print(text[:800])
+                        print("...")
+            except Exception as e:
+                print(f"❌ Error: {e}")
+            
+            # Test 5: Try a different character - Princess Peach
+            print("\n\n👑 Test 5: Getting character details for Princess Peach")
+            print("-" * 80)
+            try:
+                result = await session.call_tool(
+                    "get_character",
+                    arguments={
+                        "name": "Princess Peach",
+                        "franchise": "Super Mario"
+                    }
+                )
+                print("✅ Success!")
+                for content in result.content:
+                    if hasattr(content, 'text'):
+                        text = content.text
+                        print(f"\nReceived {len(text)} characters of data")
+                        print("\nFirst 500 characters:")
+                        print(text[:500])
+                        print("...")
+            except Exception as e:
+                print(f"❌ Error: {e}")
+            
+            # Test 6: Generate image prompt for Princess Peach
+            print("\n\n🎨 Test 6: Generating image prompt for Princess Peach")
+            print("-" * 80)
+            try:
+                result = await session.call_tool(
+                    "generate_image_prompt",
+                    arguments={
+                        "name": "Princess Peach",
+                        "franchise": "Super Mario",
+                        "style": "anime",
+                        "scene": "in her castle throne room",
+                        "extra_tags": "elegant, royal, pink dress"
+                    }
+                )
+                print("✅ Success!")
+                for content in result.content:
+                    if hasattr(content, 'text'):
+                        print("\nGenerated prompt:")
+                        print(content.text)
+            except Exception as e:
+                print(f"❌ Error: {e}")
+            
+            print("\n" + "=" * 80)
+            print("Testing Complete!")
+            print("=" * 80)
+
+
+if __name__ == "__main__":
+    asyncio.run(test_character_mcp())