Health & Fitness Coach MCP

import { z } from "zod"; import { memoryStore } from "../utils/memoryStore"; import { WeeklyTarget } from "../types/entries"; export const targetSetterTool = { name: "set-weekly-target", description: "Set weekly fitness targets including target runs and daily calorie budget", schema: { userId: z.string().describe("Unique user identifier"), weekStart: z.string().describe("Start date of the week (YYYY-MM-DD format, typically Monday)"), targetRuns: z.number().describe("Number of runs/cardio sessions planned for the week"), calorieBudget: z.number().describe("Daily calorie budget/goal"), }, handler: async ({ userId, weekStart, targetRuns, calorieBudget }: { userId: string; weekStart: string; targetRuns: number; calorieBudget: number; }) => { try { const target: WeeklyTarget = { weekStart, targetRuns, calorieBudget, }; memoryStore.setWeeklyTarget(userId, target); return { content: [ { type: "text" as const, text: `🎯 Weekly targets set successfully! **Your Goals for the week of ${weekStart}:** - Target runs/cardio sessions: ${targetRuns} per week - Daily calorie budget: ${calorieBudget} calories These targets will be used to create more personalized workout and nutrition plans. Stay consistent and track your progress!`, }, ], }; } catch (error) { console.error('Error setting weekly target:', error); return { content: [ { type: "text" as const, text: `❌ Error setting weekly target: ${error instanceof Error ? error.message : 'Unknown error'}`, }, ], }; } }, };