The AI-native way to manage your health.

Snap a photo of your food, log your weight, measurements, and workouts, and ask your coach anything. skcal tracks everything for you.

# on iPhone and Android, or start in the browser.

The skcal Today view on iPhone, weight down 1.3 lb this week and on track toward a 168 lb goal, with today's calories and protein against target
The skcal Train view on iPhone, week 2 day 2 of a mesocycle with logged squat sets, rest times, and a live rest timer

Fully customizable, when you want it.

Everything the agent does is an API you can call yourself. Wire skcal into Claude, your terminal, or your own scripts.

MCP server, first-class

Connect Claude, ChatGPT, or Claude Code over OAuth 2.1 with no tokens to paste. 21 tools, scoped to your account: skcal_log_meal, skcal_start_phase, skcal_log_sets…

A real CLI

Log weigh-ins, meals, and measurements from your shell. One install, browser or API-key sign-in:

$ npm i -g @skeptrune/skcal

Typed HTTP API

OpenAPI 3.1 behind every surface, with scoped bearer keys for scripts and a webhook endpoint for your smart scale. It's your data, so pull it however you like.

Works with

Claude Claude Code ChatGPT Cursor any MCP client

One plan. Everything.

No free tier, no feature matrix. Every surface (iOS, Android, web, agent, MCP, CLI, API) in one price.

Start tracking today

Connect your agent or install the CLI in under a minute. Sign in with your phone number; OAuth handles the rest.

mcp https://app.skcal.fit/mcp
$ npm i -g @skeptrune/skcal
Get started