Whoop MCP Server

import { z } from "zod"; import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js"; import { WhoopClient } from "../whoop-client"; export function registerSleepTools( server: McpServer, whoopClient: WhoopClient ) { server.registerTool( "whoop_get_sleep", { title: "Get Sleep Deep Dive", description: "Get detailed sleep data including sleep performance score, contributors (hours vs needed, consistency, efficiency, sleep stress), and insights for a specific date", inputSchema: { date: z .string() .optional() .describe( "Date in YYYY-MM-DD format (defaults to today if not provided)" ), }, }, async ({ date }) => { try { const data = await whoopClient.getSleepDeepDive(date); const scoreSection = data.sections.find((s: any) => s.items.some((i: any) => i.type === "SCORE_GAUGE") ); const scoreGauge = scoreSection?.items.find( (i: any) => i.type === "SCORE_GAUGE" ); let sleepPerformance = null; if (scoreGauge) { sleepPerformance = { score: Math.round(scoreGauge.content.gauge_fill_percentage * 100), scoreDisplay: scoreGauge.content.score_display, fillPercentage: scoreGauge.content.gauge_fill_percentage, }; } const contributorsSection = data.sections.find((s: any) => s.items.some((i: any) => i.type === "CONTRIBUTORS_TILE") ); const contributorsTile = contributorsSection?.items.find( (i: any) => i.type === "CONTRIBUTORS_TILE" ); const contributors = contributorsTile?.content.metrics.map((m: any) => ({ id: m.id, icon: m.icon, title: m.title, status: m.status, statusSubtitle: m.status_subtitle, metricStyle: m.metric_style, })) || []; let insight = undefined; const vowItem = contributorsTile?.content.footer?.items?.find( (i: any) => i.type === "WHOOP_COACH_VOW" ); if (vowItem) { insight = vowItem.content.vow; } const result = { sleepPerformance, contributors, insight, }; return { content: [ { type: "text", text: JSON.stringify(result, null, 2), }, ], }; } catch (error) { const errorMessage = `Error fetching sleep data: ${error instanceof Error ? error.message : "Unknown error"}`; return { content: [ { type: "text", text: errorMessage, }, ], isError: true, }; } } ); }