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2026-07-13 13:31:35 +08:00

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VS Code-Integration

🎯 Was dieses Lab abdeckt

Dieses Lab bietet umfassende Anleitungen zur Integration Ihres MCP-Servers mit VS Code, um natürliche Sprachabfragen über AI Chat zu ermöglichen. Sie lernen, wie Sie VS Code für die optimale Nutzung von MCP konfigurieren, Serververbindungen debuggen und die volle Leistung KI-gestützter Datenbankinteraktionen nutzen können.

Überblick

Die MCP-Integration in VS Code revolutioniert die Art und Weise, wie Entwickler mit Datenbanken und APIs über natürliche Sprache interagieren. Durch die Verbindung Ihres Retail-MCP-Servers mit VS Code Chat können Sie intelligente Abfragen zu Verkaufsdaten, Produktkatalogen und Geschäftsanalyse mithilfe von KI-gestützter Konversation durchführen.

Diese Integration ermöglicht es Entwicklern, Fragen wie „Zeige mir die meistverkauften Produkte dieses Monats“ oder „Finde Kunden, die in den letzten 90 Tagen nichts gekauft haben“ zu stellen und strukturierte Datenantworten zu erhalten, ohne SQL-Abfragen schreiben zu müssen.

Lernziele

Am Ende dieses Labs werden Sie in der Lage sein:

  • VS Code MCP-Einstellungen für Ihren Retail-Server zu konfigurieren
  • MCP-Server mit der AI-Chat-Funktionalität von VS Code zu integrieren
  • Serververbindungen zu debuggen und Probleme zu beheben
  • Abfragemuster in natürlicher Sprache für bessere Ergebnisse zu optimieren
  • VS Code-Arbeitsbereiche für MCP-Entwicklung anzupassen
  • Multi-Server-Konfigurationen für komplexe Szenarien bereitzustellen

🔧 VS Code MCP-Konfiguration

Ersteinrichtung und Installation

// .vscode/settings.json
{
    "mcp.servers": {
        "retail-mcp-server": {
            "command": "python",
            "args": [
                "-m", "mcp_server.main"
            ],
            "env": {
                "POSTGRES_HOST": "localhost",
                "POSTGRES_PORT": "5432",
                "POSTGRES_DB": "retail_db",
                "POSTGRES_USER": "mcp_user",
                "POSTGRES_PASSWORD": "${env:POSTGRES_PASSWORD}",
                "PROJECT_ENDPOINT": "${env:PROJECT_ENDPOINT}",
                "AZURE_CLIENT_ID": "${env:AZURE_CLIENT_ID}",
                "AZURE_CLIENT_SECRET": "${env:AZURE_CLIENT_SECRET}",
                "AZURE_TENANT_ID": "${env:AZURE_TENANT_ID}",
                "LOG_LEVEL": "INFO",
                "MCP_SERVER_DEBUG": "false"
            },
            "cwd": "${workspaceFolder}",
            "initializationOptions": {
                "store_id": "seattle",
                "enable_semantic_search": true,
                "enable_analytics": true,
                "cache_embeddings": true
            }
        }
    },
    "mcp.serverTimeout": 30000,
    "mcp.enableLogging": true,
    "mcp.logLevel": "info"
}

Umgebungskonfiguration

# .env file for development
POSTGRES_HOST=localhost
POSTGRES_PORT=5432
POSTGRES_DB=retail_db
POSTGRES_USER=mcp_user
POSTGRES_PASSWORD=your_secure_password

# Azure Configuration
PROJECT_ENDPOINT=https://your-project.openai.azure.com
AZURE_CLIENT_ID=your-client-id
AZURE_CLIENT_SECRET=your-client-secret
AZURE_TENANT_ID=your-tenant-id

# Optional: Azure Key Vault
AZURE_KEY_VAULT_URL=https://your-keyvault.vault.azure.net/

# Server Configuration
MCP_SERVER_PORT=8000
MCP_SERVER_HOST=127.0.0.1
LOG_LEVEL=INFO

Arbeitsbereichskonfiguration

// .vscode/launch.json
{
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Debug MCP Server",
            "type": "python",
            "request": "launch",
            "module": "mcp_server.main",
            "console": "integratedTerminal",
            "envFile": "${workspaceFolder}/.env",
            "env": {
                "MCP_SERVER_DEBUG": "true",
                "LOG_LEVEL": "DEBUG"
            },
            "args": [],
            "justMyCode": false,
            "stopOnEntry": false
        },
        {
            "name": "Test MCP Server",
            "type": "python",
            "request": "launch",
            "module": "pytest",
            "console": "integratedTerminal",
            "envFile": "${workspaceFolder}/.env.test",
            "args": [
                "tests/",
                "-v",
                "--tb=short"
            ]
        }
    ]
}

Aufgaben-Konfiguration

// .vscode/tasks.json
{
    "version": "2.0.0",
    "tasks": [
        {
            "label": "Start MCP Server",
            "type": "shell",
            "command": "python",
            "args": [
                "-m", "mcp_server.main"
            ],
            "group": "build",
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "new"
            },
            "options": {
                "env": {
                    "PYTHONPATH": "${workspaceFolder}"
                }
            },
            "isBackground": true,
            "problemMatcher": {
                "pattern": {
                    "regexp": "^(.*):(\\d+):(\\d+):\\s+(warning|error):\\s+(.*)$",
                    "file": 1,
                    "line": 2,
                    "column": 3,
                    "severity": 4,
                    "message": 5
                },
                "background": {
                    "activeOnStart": true,
                    "beginsPattern": "^.*Starting MCP server.*$",
                    "endsPattern": "^.*MCP server ready.*$"
                }
            }
        },
        {
            "label": "Run Tests",
            "type": "shell",
            "command": "python",
            "args": [
                "-m", "pytest",
                "tests/",
                "-v"
            ],
            "group": "test",
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "shared"
            }
        },
        {
            "label": "Generate Sample Data",
            "type": "shell",
            "command": "python",
            "args": [
                "scripts/generate_sample_data.py"
            ],
            "group": "build",
            "presentation": {
                "echo": true,
                "reveal": "always",
                "focus": false,
                "panel": "shared"
            }
        },
        {
            "label": "Create Database Schema",
            "type": "shell",
            "command": "psql",
            "args": [
                "-h", "${env:POSTGRES_HOST}",
                "-p", "${env:POSTGRES_PORT}",
                "-U", "${env:POSTGRES_USER}",
                "-d", "${env:POSTGRES_DB}",
                "-f", "scripts/create_schema.sql"
            ],
            "group": "build"
        }
    ]
}

💬 AI-Chat-Integration

Abfragemuster in natürlicher Sprache

// Example query patterns for VS Code Chat
interface QueryPattern {
    intent: string;
    examples: string[];
    expectedTools: string[];
}

const retailQueryPatterns: QueryPattern[] = [
    {
        intent: "sales_analysis",
        examples: [
            "Show me daily sales for the last 30 days",
            "What are our top selling products this month?",
            "Which customers have spent the most this quarter?",
            "Compare sales performance between stores"
        ],
        expectedTools: ["execute_sales_query"]
    },
    {
        intent: "product_search",
        examples: [
            "Find running shoes for women",
            "Show me electronics under $500",
            "What laptops do we have in stock?",
            "Search for wireless headphones"
        ],
        expectedTools: ["semantic_search_products", "hybrid_product_search"]
    },
    {
        intent: "inventory_management",
        examples: [
            "Which products are low on stock?",
            "Show me products that need reordering",
            "What's our current inventory value?",
            "Find products with zero stock"
        ],
        expectedTools: ["execute_sales_query"]
    },
    {
        intent: "customer_analysis",
        examples: [
            "Show me customers who haven't purchased in 90 days",
            "What's the average customer lifetime value?",
            "Which customers are in the gold tier?",
            "Find customers with returns"
        ],
        expectedTools: ["execute_sales_query"]
    },
    {
        intent: "business_intelligence",
        examples: [
            "Generate a business summary for this month",
            "Show me seasonal trends",
            "What are our best performing categories?",
            "Create a sales forecast"
        ],
        expectedTools: ["generate_business_insights"]
    },
    {
        intent: "recommendations",
        examples: [
            "Recommend products similar to product X",
            "What should we recommend to customer Y?",
            "Show me trending products",
            "Find cross-sell opportunities"
        ],
        expectedTools: ["get_product_recommendations"]
    }
];

Beispiele für Chat-Integration

<!-- Examples of VS Code Chat interactions -->

## Sales Analysis Queries

**User**: Show me the top 10 selling products in the Seattle store for the last month

**Expected Response**: 
- Tool: execute_sales_query
- Parameters: query_type="top_products", store_id="seattle", start_date="2025-08-29", end_date="2025-09-29", limit=10
- Result: Formatted table with product names, quantities sold, revenue, and performance metrics

**User**: What was our daily revenue trend last week?

**Expected Response**:
- Tool: execute_sales_query  
- Parameters: query_type="daily_sales", store_id="seattle", start_date="2025-09-22", end_date="2025-09-29"
- Result: Chart-ready data with daily revenue figures and growth percentages

## Product Search Queries

**User**: Find comfortable running shoes for outdoor activities

**Expected Response**:
- Tool: semantic_search_products
- Parameters: query="comfortable running shoes outdoor activities", store_id="seattle", similarity_threshold=0.7
- Result: Ranked list of relevant products with similarity scores and detailed information

**User**: Search for laptops under $1500 with good reviews

**Expected Response**:
- Tool: hybrid_product_search
- Parameters: query="laptops under $1500 good reviews", store_id="seattle", semantic_weight=0.6, keyword_weight=0.4
- Result: Combined keyword and semantic search results with price and rating filters

## Business Intelligence Queries

**User**: Generate a comprehensive business summary for September

**Expected Response**:
- Tool: generate_business_insights
- Parameters: analysis_type="summary", store_id="seattle", days=30
- Result: KPI dashboard with revenue, customer metrics, top categories, and growth trends

Formatierung von Chat-Antworten

# mcp_server/chat/response_formatter.py
"""
Format MCP tool responses for optimal VS Code Chat display.
"""
from typing import Dict, Any, List
import json
from datetime import datetime

class ChatResponseFormatter:
    """Format tool responses for VS Code Chat consumption."""
    
    @staticmethod
    def format_sales_data(data: List[Dict[str, Any]], query_type: str) -> str:
        """Format sales data for chat display."""
        
        if not data:
            return "No sales data found for the specified criteria."
        
        if query_type == "daily_sales":
            return ChatResponseFormatter._format_daily_sales(data)
        elif query_type == "top_products":
            return ChatResponseFormatter._format_top_products(data)
        elif query_type == "customer_analysis":
            return ChatResponseFormatter._format_customer_analysis(data)
        else:
            return ChatResponseFormatter._format_generic_table(data)
    
    @staticmethod
    def _format_daily_sales(data: List[Dict[str, Any]]) -> str:
        """Format daily sales data."""
        
        response = "## Daily Sales Summary\n\n"
        response += "| Date | Revenue | Transactions | Avg Order Value | Customers |\n"
        response += "|------|---------|-------------|----------------|----------|\n"
        
        total_revenue = 0
        total_transactions = 0
        
        for day in data:
            revenue = float(day.get('total_revenue', 0))
            transactions = int(day.get('transaction_count', 0))
            avg_value = float(day.get('avg_transaction_value', 0))
            customers = int(day.get('unique_customers', 0))
            
            total_revenue += revenue
            total_transactions += transactions
            
            response += f"| {day.get('sales_date', 'N/A')} | "
            response += f"${revenue:,.2f} | "
            response += f"{transactions:,} | "
            response += f"${avg_value:.2f} | "
            response += f"{customers:,} |\n"
        
        response += f"\n**Totals**: ${total_revenue:,.2f} revenue, {total_transactions:,} transactions"
        
        return response
    
    @staticmethod
    def _format_top_products(data: List[Dict[str, Any]]) -> str:
        """Format top products data."""
        
        response = "## Top Selling Products\n\n"
        response += "| Rank | Product | Brand | Revenue | Qty Sold | Avg Price |\n"
        response += "|------|---------|-------|---------|----------|----------|\n"
        
        for i, product in enumerate(data, 1):
            response += f"| {i} | "
            response += f"{product.get('product_name', 'N/A')} | "
            response += f"{product.get('brand', 'N/A')} | "
            response += f"${float(product.get('total_revenue', 0)):,.2f} | "
            response += f"{int(product.get('total_quantity_sold', 0)):,} | "
            response += f"${float(product.get('avg_price', 0)):.2f} |\n"
        
        return response
    
    @staticmethod
    def format_search_results(data: List[Dict[str, Any]], search_type: str) -> str:
        """Format product search results."""
        
        if not data:
            return "No products found matching your search criteria."
        
        response = f"## Product Search Results ({search_type})\n\n"
        
        for i, product in enumerate(data, 1):
            response += f"### {i}. {product.get('product_name', 'Unknown Product')}\n"
            response += f"**Brand**: {product.get('brand', 'N/A')}\n"
            response += f"**Price**: ${float(product.get('price', 0)):.2f}\n"
            response += f"**Stock**: {int(product.get('current_stock', 0))} units\n"
            
            if 'similarity_score' in product:
                score = float(product['similarity_score'])
                response += f"**Relevance**: {score:.1%}\n"
            
            if 'rating_average' in product and product['rating_average']:
                rating = float(product['rating_average'])
                count = int(product.get('rating_count', 0))
                response += f"**Rating**: {rating:.1f}/5.0 ({count:,} reviews)\n"
            
            if product.get('product_description'):
                desc = product['product_description']
                if len(desc) > 150:
                    desc = desc[:150] + "..."
                response += f"**Description**: {desc}\n"
            
            response += "\n---\n\n"
        
        return response
    
    @staticmethod
    def format_business_insights(data: Dict[str, Any]) -> str:
        """Format business intelligence data."""
        
        response = "## Business Intelligence Summary\n\n"
        
        # Key metrics
        response += "### Key Performance Indicators\n\n"
        response += f"- **Total Revenue**: ${float(data.get('total_revenue', 0)):,.2f}\n"
        response += f"- **Total Transactions**: {int(data.get('total_transactions', 0)):,}\n"
        response += f"- **Unique Customers**: {int(data.get('unique_customers', 0)):,}\n"
        response += f"- **Average Order Value**: ${float(data.get('avg_transaction_value', 0)):.2f}\n"
        response += f"- **Products Sold**: {int(data.get('products_sold', 0)):,} items\n\n"
        
        # Performance indicators
        if 'insights' in data and 'performance_indicators' in data['insights']:
            pi = data['insights']['performance_indicators']
            response += "### Performance Indicators\n\n"
            response += f"- **Transactions per Day**: {float(pi.get('transactions_per_day', 0)):.1f}\n"
            response += f"- **Revenue per Customer**: ${float(pi.get('revenue_per_customer', 0)):,.2f}\n"
            response += f"- **Items per Transaction**: {float(pi.get('items_per_transaction', 0)):.1f}\n\n"
        
        # Top category
        if data.get('top_category'):
            response += f"### Top Performing Category\n\n"
            response += f"**{data['top_category']}** - ${float(data.get('top_category_revenue', 0)):,.2f} revenue\n\n"
        
        return response
    
    @staticmethod
    def format_error_response(error: str, tool_name: str) -> str:
        """Format error responses for chat."""
        
        response = f"## ❌ Error in {tool_name}\n\n"
        response += f"I encountered an issue while processing your request:\n\n"
        response += f"**Error**: {error}\n\n"
        response += "Please try:\n"
        response += "- Checking your query parameters\n"
        response += "- Verifying store access permissions\n"
        response += "- Simplifying your request\n"
        response += "- Contacting support if the issue persists\n"
        
        return response

🔍 Debugging und Fehlerbehebung

Debug-Konfiguration in VS Code

# mcp_server/debug/vscode_debug.py
"""
VS Code specific debugging utilities for MCP server.
"""
import logging
import json
from typing import Dict, Any
from datetime import datetime

class VSCodeDebugLogger:
    """Enhanced logging for VS Code debugging."""
    
    def __init__(self):
        self.logger = logging.getLogger("mcp_vscode_debug")
        self.setup_vscode_logging()
    
    def setup_vscode_logging(self):
        """Configure logging for VS Code debugging."""
        
        # Create VS Code specific formatter
        formatter = logging.Formatter(
            '[%(asctime)s] [%(name)s] [%(levelname)s] %(message)s'
        )
        
        # Console handler for VS Code terminal
        console_handler = logging.StreamHandler()
        console_handler.setFormatter(formatter)
        console_handler.setLevel(logging.DEBUG)
        
        self.logger.addHandler(console_handler)
        self.logger.setLevel(logging.DEBUG)
    
    def log_mcp_request(self, method: str, params: Dict[str, Any]):
        """Log MCP requests for debugging."""
        
        self.logger.info(f"MCP Request: {method}")
        self.logger.debug(f"Parameters: {json.dumps(params, indent=2)}")
    
    def log_tool_execution(self, tool_name: str, result: Dict[str, Any]):
        """Log tool execution results."""
        
        success = result.get('success', False)
        level = logging.INFO if success else logging.ERROR
        
        self.logger.log(level, f"Tool '{tool_name}' - {'Success' if success else 'Failed'}")
        
        if not success and result.get('error'):
            self.logger.error(f"Error: {result['error']}")
        
        if result.get('data'):
            data_summary = self._summarize_data(result['data'])
            self.logger.debug(f"Result summary: {data_summary}")
    
    def _summarize_data(self, data: Any) -> str:
        """Create a summary of result data."""
        
        if isinstance(data, list):
            return f"List with {len(data)} items"
        elif isinstance(data, dict):
            return f"Dict with keys: {list(data.keys())}"
        else:
            return f"Data type: {type(data).__name__}"

# Global debug logger
vscode_debug_logger = VSCodeDebugLogger()

Fehlerbehebung bei Verbindungen

# scripts/debug_mcp_connection.py
"""
Debug script for troubleshooting MCP server connections in VS Code.
"""
import asyncio
import asyncpg
import os
import sys
from typing import Dict, Any

async def test_database_connection() -> Dict[str, Any]:
    """Test database connectivity."""
    
    try:
        # Get connection parameters from environment
        connection_params = {
            'host': os.getenv('POSTGRES_HOST', 'localhost'),
            'port': int(os.getenv('POSTGRES_PORT', '5432')),
            'database': os.getenv('POSTGRES_DB', 'retail_db'),
            'user': os.getenv('POSTGRES_USER', 'mcp_user'),
            'password': os.getenv('POSTGRES_PASSWORD', '')
        }
        
        print(f"Testing connection to {connection_params['host']}:{connection_params['port']}")
        
        # Test connection
        conn = await asyncpg.connect(**connection_params)
        
        # Test basic query
        result = await conn.fetchval("SELECT version()")
        
        # Test schema access
        tables = await conn.fetch("""
            SELECT table_name FROM information_schema.tables 
            WHERE table_schema = 'retail'
        """)
        
        await conn.close()
        
        return {
            'success': True,
            'database_version': result,
            'retail_tables': len(tables),
            'table_names': [table['table_name'] for table in tables]
        }
        
    except Exception as e:
        return {
            'success': False,
            'error': str(e),
            'connection_params': {k: v for k, v in connection_params.items() if k != 'password'}
        }

async def test_azure_openai_connection() -> Dict[str, Any]:
    """Test Azure OpenAI connectivity."""
    
    try:
        from azure.identity import DefaultAzureCredential
        from azure.ai.projects import AIProjectClient
        
        project_endpoint = os.getenv('PROJECT_ENDPOINT')
        if not project_endpoint:
            return {
                'success': False,
                'error': 'PROJECT_ENDPOINT not configured'
            }
        
        print(f"Testing Azure OpenAI connection to {project_endpoint}")
        
        credential = DefaultAzureCredential()
        client = AIProjectClient(
            endpoint=project_endpoint,
            credential=credential
        )
        
        # Test embedding generation
        response = await client.embeddings.create(
            model="text-embedding-3-small",
            input="test connection"
        )
        
        embedding = response.data[0].embedding
        
        return {
            'success': True,
            'project_endpoint': project_endpoint,
            'embedding_dimension': len(embedding),
            'model': 'text-embedding-3-small'
        }
        
    except Exception as e:
        return {
            'success': False,
            'error': str(e),
            'project_endpoint': os.getenv('PROJECT_ENDPOINT', 'Not configured')
        }

async def test_mcp_tools() -> Dict[str, Any]:
    """Test MCP tool availability."""
    
    try:
        # Import MCP server components
        sys.path.append(os.path.dirname(os.path.dirname(__file__)))
        
        from mcp_server.server import MCPServer
        from mcp_server.database import DatabaseProvider
        from mcp_server.config import Config
        
        # Create test configuration
        config = Config()
        db_provider = DatabaseProvider(config.database.connection_string)
        
        # Initialize server
        server = MCPServer(config, db_provider)
        await server.initialize()
        
        # Get available tools
        tools = server.get_available_tools()
        
        # Test a simple tool
        test_result = await server.execute_tool(
            'get_current_utc_date',
            {'format': 'iso'}
        )
        
        await server.cleanup()
        
        return {
            'success': True,
            'available_tools': [tool.name for tool in tools],
            'tool_count': len(tools),
            'test_tool_result': test_result.get('success', False)
        }
        
    except Exception as e:
        return {
            'success': False,
            'error': str(e)
        }

async def main():
    """Run comprehensive connection tests."""
    
    print("🔍 MCP Server Connection Diagnostics")
    print("=" * 50)
    
    # Test database connection
    print("\n📊 Testing Database Connection...")
    db_result = await test_database_connection()
    
    if db_result['success']:
        print("✅ Database connection successful")
        print(f"   Database version: {db_result['database_version']}")
        print(f"   Retail tables found: {db_result['retail_tables']}")
        print(f"   Table names: {', '.join(db_result['table_names'])}")
    else:
        print("❌ Database connection failed")
        print(f"   Error: {db_result['error']}")
    
    # Test Azure OpenAI connection
    print("\n🤖 Testing Azure OpenAI Connection...")
    azure_result = await test_azure_openai_connection()
    
    if azure_result['success']:
        print("✅ Azure OpenAI connection successful")
        print(f"   Endpoint: {azure_result['project_endpoint']}")
        print(f"   Embedding dimension: {azure_result['embedding_dimension']}")
    else:
        print("❌ Azure OpenAI connection failed")
        print(f"   Error: {azure_result['error']}")
    
    # Test MCP tools
    print("\n🛠️  Testing MCP Tools...")
    tools_result = await test_mcp_tools()
    
    if tools_result['success']:
        print("✅ MCP tools loaded successfully")
        print(f"   Available tools: {tools_result['tool_count']}")
        print(f"   Tool names: {', '.join(tools_result['available_tools'])}")
        print(f"   Test execution: {'✅' if tools_result['test_tool_result'] else '❌'}")
    else:
        print("❌ MCP tools loading failed")
        print(f"   Error: {tools_result['error']}")
    
    # Overall status
    print("\n📋 Overall Status")
    print("=" * 50)
    
    all_success = all([
        db_result['success'],
        azure_result['success'],
        tools_result['success']
    ])
    
    if all_success:
        print("🎉 All systems ready! MCP server should work correctly in VS Code.")
    else:
        print("⚠️  Some issues detected. Please resolve the errors above.")
        print("\n💡 Troubleshooting tips:")
        print("   - Check environment variables in .env file")
        print("   - Verify database is running and accessible")
        print("   - Confirm Azure credentials are configured")
        print("   - Review VS Code MCP server configuration")

if __name__ == "__main__":
    asyncio.run(main())

🚀 Erweiterte Konfiguration

Multi-Server-Setup

// .vscode/settings.json - Multiple MCP servers
{
    "mcp.servers": {
        "retail-seattle": {
            "command": "python",
            "args": ["-m", "mcp_server.main"],
            "env": {
                "POSTGRES_HOST": "localhost",
                "POSTGRES_DB": "retail_db",
                "POSTGRES_USER": "mcp_user",
                "POSTGRES_PASSWORD": "${env:POSTGRES_PASSWORD}",
                "PROJECT_ENDPOINT": "${env:PROJECT_ENDPOINT}",
                "DEFAULT_STORE_ID": "seattle"
            },
            "initializationOptions": {
                "store_id": "seattle",
                "server_name": "Seattle Store"
            }
        },
        "retail-redmond": {
            "command": "python",
            "args": ["-m", "mcp_server.main"],
            "env": {
                "POSTGRES_HOST": "localhost",
                "POSTGRES_DB": "retail_db",
                "POSTGRES_USER": "mcp_user",
                "POSTGRES_PASSWORD": "${env:POSTGRES_PASSWORD}",
                "PROJECT_ENDPOINT": "${env:PROJECT_ENDPOINT}",
                "DEFAULT_STORE_ID": "redmond"
            },
            "initializationOptions": {
                "store_id": "redmond",
                "server_name": "Redmond Store"
            }
        },
        "retail-analytics": {
            "command": "python",
            "args": ["-m", "mcp_server.analytics_main"],
            "env": {
                "POSTGRES_HOST": "localhost",
                "POSTGRES_DB": "retail_db",
                "POSTGRES_USER": "analytics_user",
                "POSTGRES_PASSWORD": "${env:ANALYTICS_PASSWORD}",
                "PROJECT_ENDPOINT": "${env:PROJECT_ENDPOINT}"
            },
            "initializationOptions": {
                "mode": "analytics",
                "cross_store_access": true
            }
        }
    }
}

Benutzerdefinierte VS Code-Erweiterung

// src/extension.ts - Custom MCP retail extension
import * as vscode from 'vscode';

export function activate(context: vscode.ExtensionContext) {
    
    // Register MCP retail commands
    const disposable = vscode.commands.registerCommand(
        'mcp-retail.quickQuery', 
        async () => {
            const quickPick = vscode.window.createQuickPick();
            quickPick.items = [
                {
                    label: '📊 Daily Sales',
                    description: 'Show daily sales for the last 30 days'
                },
                {
                    label: '🏆 Top Products',
                    description: 'Show top selling products this month'
                },
                {
                    label: '👥 Customer Analysis',
                    description: 'Analyze customer behavior and trends'
                },
                {
                    label: '🔍 Product Search',
                    description: 'Search for products using natural language'
                },
                {
                    label: '📈 Business Insights',
                    description: 'Generate comprehensive business summary'
                }
            ];
            
            quickPick.onDidChangeSelection(selection => {
                if (selection[0]) {
                    executeQuickQuery(selection[0].label);
                }
            });
            
            quickPick.onDidHide(() => quickPick.dispose());
            quickPick.show();
        }
    );
    
    context.subscriptions.push(disposable);
    
    // Register store switcher
    const storeSwitcher = vscode.commands.registerCommand(
        'mcp-retail.switchStore',
        async () => {
            const stores = ['seattle', 'redmond', 'bellevue', 'online'];
            const selected = await vscode.window.showQuickPick(stores, {
                placeHolder: 'Select store for queries'
            });
            
            if (selected) {
                // Update configuration
                const config = vscode.workspace.getConfiguration('mcp');
                await config.update('defaultStore', selected, true);
                
                vscode.window.showInformationMessage(
                    `Switched to ${selected.charAt(0).toUpperCase() + selected.slice(1)} store`
                );
            }
        }
    );
    
    context.subscriptions.push(storeSwitcher);
}

async function executeQuickQuery(queryType: string) {
    // Execute predefined queries in VS Code Chat
    const chatCommands = {
        '📊 Daily Sales': '@retail Show me daily sales for the last 30 days',
        '🏆 Top Products': '@retail What are the top 10 selling products this month?',
        '👥 Customer Analysis': '@retail Show me customer analysis for active customers',
        '🔍 Product Search': '@retail Find products matching "laptop computer"',
        '📈 Business Insights': '@retail Generate a business summary for this month'
    };
    
    const command = chatCommands[queryType];
    if (command) {
        await vscode.commands.executeCommand('workbench.action.chat.open');
        await vscode.commands.executeCommand('workbench.action.chat.insert', command);
    }
}

export function deactivate() {}

Konfiguration des Erweiterungspakets

// package.json for VS Code extension
{
    "name": "mcp-retail-assistant",
    "displayName": "MCP Retail Assistant",
    "description": "AI-powered retail data analysis through MCP",
    "version": "1.0.0",
    "engines": {
        "vscode": "^1.74.0"
    },
    "categories": [
        "Other",
        "Data Science",
        "Machine Learning"
    ],
    "activationEvents": [
        "onCommand:mcp-retail.quickQuery",
        "onCommand:mcp-retail.switchStore"
    ],
    "main": "./out/extension.js",
    "contributes": {
        "commands": [
            {
                "command": "mcp-retail.quickQuery",
                "title": "Quick Retail Query",
                "category": "MCP Retail"
            },
            {
                "command": "mcp-retail.switchStore",
                "title": "Switch Store",
                "category": "MCP Retail"
            }
        ],
        "keybindings": [
            {
                "command": "mcp-retail.quickQuery",
                "key": "ctrl+shift+r",
                "mac": "cmd+shift+r"
            }
        ],
        "configuration": {
            "title": "MCP Retail",
            "properties": {
                "mcp-retail.defaultStore": {
                    "type": "string",
                    "default": "seattle",
                    "enum": ["seattle", "redmond", "bellevue", "online"],
                    "description": "Default store for retail queries"
                },
                "mcp-retail.enableAnalytics": {
                    "type": "boolean",
                    "default": true,
                    "description": "Enable advanced analytics features"
                }
            }
        }
    },
    "scripts": {
        "vscode:prepublish": "npm run compile",
        "compile": "tsc -p ./",
        "watch": "tsc -watch -p ./"
    },
    "devDependencies": {
        "@types/vscode": "^1.74.0",
        "@types/node": "16.x",
        "typescript": "^4.9.4"
    }
}

🎯 Wichtige Erkenntnisse

Nach Abschluss dieses Labs sollten Sie Folgendes erreicht haben:

VS Code MCP-Konfiguration: Vollständige Einrichtung für optimale MCP-Integration
AI-Chat-Integration: Fähigkeit zur Abfrage in natürlicher Sprache in VS Code
Debugging-Tools: Umfassende Fehlerbehebung und Diagnostik von Verbindungen
Multi-Server-Setup: Konfiguration für mehrere MCP-Serverinstanzen
Benutzerdefinierte Erweiterungen: Verbesserte VS Code-Erfahrung mit branchenspezifischen Funktionen
Produktionsreife: Unternehmensbereite VS Code-Entwicklungsumgebung

🚀 Was kommt als Nächstes

Fahren Sie mit Lab 10: Deployment Strategies fort, um:

  • MCP-Server in Produktionsumgebungen bereitzustellen
  • Cloud-Infrastruktur für Skalierbarkeit zu konfigurieren
  • CI/CD-Pipelines für automatisierte Bereitstellung zu implementieren
  • Die Leistung von MCP-Servern in der Produktion zu überwachen

📚 Zusätzliche Ressourcen

VS Code-Entwicklung

MCP-Protokoll

Entwicklungstools


Vorher: Lab 08: Testing and Debugging
Nächstes: Lab 10: Deployment Strategies


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