IT Tools MCP Server

import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { z } from "zod"; export function registerConvertRomanNumeral(server: McpServer) { server.registerTool("convert_roman_numerals", { description: "Convert between Arabic numbers and Roman numerals", inputSchema: { input: z.string().describe("Number to convert (Arabic number 1-3999 or Roman numeral)") }, // VS Code compliance annotations annotations: { title: "Convert Roman Numerals", description: "Convert between Arabic numbers and Roman numerals", readOnlyHint: false } }, async ({ input }) => { try { // Auto-detect if input is a number or Roman numeral const isNumber = /^\d+$/.test(input.trim()); if (isNumber) { // Convert number to Roman numeral const num = parseInt(input); if (isNaN(num) || num < 1 || num > 3999) { throw new Error("Number must be between 1 and 3999"); } const values = [1000, 900, 500, 400, 100, 90, 50, 40, 10, 9, 5, 4, 1]; const symbols = ["M", "CM", "D", "CD", "C", "XC", "L", "XL", "X", "IX", "V", "IV", "I"]; let result = ""; let remaining = num; for (let i = 0; i < values.length; i++) { while (remaining >= values[i]) { result += symbols[i]; remaining -= values[i]; } } return { content: [ { type: "text", text: `${num} = ${result} in Roman numerals` } ] }; } else { // Convert Roman numeral to number const roman = input.toUpperCase(); const romanMap: { [key: string]: number } = { I: 1, V: 5, X: 10, L: 50, C: 100, D: 500, M: 1000 }; let result = 0; let prev = 0; for (let i = roman.length - 1; i >= 0; i--) { const current = romanMap[roman[i]]; if (!current) { throw new Error(`Invalid Roman numeral character: ${roman[i]}`); } if (current < prev) { result -= current; } else { result += current; } prev = current; } return { content: [ { type: "text", text: `${roman} = ${result} in decimal` } ] }; } } catch (error) { return { content: [ { type: "text", text: `Error converting Roman numeral: ${error instanceof Error ? error.message : 'Unknown error'}` } ] }; } } ); }