ID Generator MCP Server

import { convertToHex } from './internal/convertToHex'; import { isErrnoException } from './internal/isErrnoException'; import { readCounterFile } from './internal/readCounterFile'; import { writeCounterFile } from './internal/writeCounterFile'; /** * Gets the next unique 8-digit hexadecimal ID and increments the counter * Creates the counter file if it doesn't exist * * @param counterFilePath - Path to the counter file (defaults to '/workspace/last-tag-id.txt') * @returns Promise resolving to the next unique hex ID */ export async function getNextOrInitHexId( counterFilePath = '/workspace/last-tag-id.txt', ): Promise<string> { try { const current = await readCounterFile(counterFilePath); const next = current + 1; await writeCounterFile(counterFilePath, next); return convertToHex(next); } catch (error: unknown) { if (isErrnoException(error) && error.code === 'ENOENT') { await writeCounterFile(counterFilePath, 0); return convertToHex(0); } throw error; } }