Calories

A minimal, fast calorie and protein tracker. Smarter than Notes, simpler than a spreadsheet.

Features

• Daily logging — view and manage entries by day, totals update instantly
• USDA food search — search millions of foods, enter an amount, calories and protein auto-calculate
• Saved foods — save any food for one-tap reuse on future days
• Manual entry — quickly log calories and protein with an optional food name
• Edit & delete — with Ctrl+Z undo on deletions

Stack

• Next.js 15 (App Router)
• Prisma + SQLite
• Tailwind CSS
• USDA FoodData Central API

Getting started

npm install
npm run db:push
npm run dev

Open http://localhost:3000.

Environment variables

Create a .env.local file:

DATABASE_URL="file:./prisma/dev.db"
USDA_API_KEY="DEMO_KEY"

Get a free USDA API key (no rate limits) at fdc.nal.usda.gov/api-key-signup.html.