Spotify Streamable MCP Server

import { z } from 'zod'; import { defineTool } from './types.js'; /** * Input schema for health tool. */ export const healthInputSchema = z.object({ verbose: z.boolean().optional().describe('Include additional runtime details'), }); /** * Health check tool - works in both Node and Workers. */ export const healthTool = defineTool({ name: 'health', title: 'Health Check', description: 'Check server health, uptime, and runtime information', inputSchema: healthInputSchema, outputSchema: { status: z.string().describe('Server status'), timestamp: z.number().describe('Current timestamp'), runtime: z.string().describe('Runtime environment'), uptime: z.number().optional().describe('Uptime in seconds (if available)'), }, annotations: { title: 'Server Health Check', readOnlyHint: true, destructiveHint: false, idempotentHint: true, openWorldHint: false, }, handler: async (args) => { const verbose = Boolean(args.verbose); // Detect runtime const g = globalThis as Record<string, unknown>; const isWorkers = typeof g.caches !== 'undefined' && !('process' in g); const runtime = isWorkers ? 'cloudflare-workers' : 'node'; const result: Record<string, unknown> = { status: 'ok', timestamp: Date.now(), runtime, }; if (verbose) { if (!isWorkers && typeof process !== 'undefined') { result.uptime = Math.floor(process.uptime()); result.nodeVersion = process.version; result.memoryUsage = process.memoryUsage().heapUsed; } } return { content: [{ type: 'text', text: JSON.stringify(result, null, 2) }], structuredContent: result, }; }, });