MCP Practice

import { MCPTool } from "mcp-framework"; import { z } from "zod"; interface TestInput { text: string; source?: string; target?: string; } class TranslateTool extends MCPTool<TestInput> { name = "translate"; description = "Translates a given text using LibreTranslate API"; schema = { text: { type: z.string().min(1), description: "Text to translate", }, source: { type: z.string().default("auto"), description: "Source language code (e.g. 'ko', 'en')", }, target: { type: z.string().default("en"), description: "Target language code (e.g. 'en', 'ko')", }, }; async execute(input: TestInput) { console.log("🟡 input:", input); try { // 타임아웃 설정 (10초) const controller = new AbortController(); const timeoutId = setTimeout(() => controller.abort(), 10000); const response = await fetch("https://libretranslate.de/translate", { method: "POST", headers: { "Content-Type": "application/json", }, body: JSON.stringify({ q: input.text, source: input.source || "auto", target: input.target || "en", format: "text", }), signal: controller.signal, }); clearTimeout(timeoutId); if (!response.ok) { throw new Error(`Translation API failed with status ${response.status}: ${response.statusText}`); } const data = await response.json(); if (!data.translatedText) { throw new Error("Translation API returned invalid response format"); } return data.translatedText; } catch (error) { console.error("Translation error:", error); if (error instanceof Error) { if (error.name === 'AbortError') { throw new Error("Translation request timed out. Please try again."); } throw new Error(`Translation failed: ${error.message}`); } throw new Error("Translation failed due to an unknown error"); } } } export default TranslateTool;