Design Patterns MCP Server

{ "id": "adapter", "name": "Adapter", "category": "Structural", "description": "Allows incompatible interfaces to work together", "when_to_use": "Legacy code integration\nThird-party library integration\nInterface mismatch", "benefits": "Reuse existing code\nDecoupling\nFlexibility", "drawbacks": "Code complexity\nPerformance overhead", "use_cases": "API integration\nLegacy system wrapping\nData format conversion", "complexity": "Low", "tags": ["structural", "wrapper", "compatibility"], "examples": { "typescript": { "language": "typescript", "code": "class LegacyPrinter {\n printOldFormat(text: string) {\n console.log(`[OLD] ${text}`);\n }\n}\n\ninterface ModernPrinter {\n print(text: string): void;\n}\n\nclass PrinterAdapter implements ModernPrinter {\n constructor(private legacy: LegacyPrinter) {}\n \n print(text: string) {\n this.legacy.printOldFormat(text);\n }\n}\n\n// Usage: make incompatible interfaces work together\nconst adapter: ModernPrinter = new PrinterAdapter(new LegacyPrinter());\nadapter.print('Hello');" } }, "relationships": [ { "targetPatternId": "facade", "type": "related", "strength": 0.8, "description": "Both are structural patterns that provide interface adaptation" }, { "targetPatternId": "decorator", "type": "similar", "strength": 0.6, "description": "Both use wrapper/composition approaches" }, { "targetPatternId": "proxy", "type": "similar", "strength": 0.5, "description": "Both act as intermediaries between client and implementation" } ] }