Your private AI health log

Log food, exercise, and weight through any AI assistant — ChatGPT, Grok, Claude, or your own agent. No apps, no typing. Just talk or text.

Calibrate · Dashboard
Energy balance
480 calories left · 520 kcal deficit

Protein is 48g short. Prioritize lean protein for dinner.

480
Consumed1,620
Target2,100
Exercise240
8:12
Breakfast

Coffee with 5 tbsp half and half · ChatGPT API

102
12:44
Lunch

Chicken bowl, rice, greens, dressing · Manual

690
Next
Dinner

Not logged yet

--
Macros
Protein132g
Carbs124g
Weight
214.6 lb -1.4 lb

Features

Log with any agent,
on your terms.

Calibrate gives you a private API that any AI assistant can use. No lock-in, no ads, no unnecessary complexity.

Energy balance
480 calories left
Projected 520 kcal deficit.
Remaining480
Consumed1,620
Exercise240

Premium dashboard

Your daily energy balance, macro adherence, meal timeline, exercise log, and weight trend — all in one calm, dark control panel.

API endpointCopy
http://localhost:4174/v1
TokenRotate
cal_live_dev_••••••••test
Log food Log exercise Full history

Works with any AI assistant

ChatGPT, Grok, Claude, Gemini — point any agent at your private API endpoint and start logging. The OpenAPI schema makes setup a one-click paste.

🍳
Breakfast
Coffee with half and half
102
🥗
Lunch
Chicken bowl, rice, greens
690
🌙
Dinner
Not logged yet
--

Natural language logging

"Log dinner: two chicken breasts, rice, broccoli, and olive oil" — the API parses portion sizes, estimates macros, and logs it with a confidence label.

Log food
Log exercise
Log weight
Read today
Read full history

Private by design

Scoped API tokens, write-only or read-only permissions. Your data never trains AI models.

Protein132g / 180g
Carbs124g / 190g
Fat58g / 70g

Macro awareness

Protein, carbs, and fat targets with real-time progress bars. The dashboard tells you what to prioritize next.

1 week window -1.4 lb

Weight trend tracking

Log a weigh-in through any agent and watch your trend line update. Rate of change per week, not daily noise.

🚶
Walk
35 min, moderate
180
🏋️
Strength
20 min, easy
60

Exercise logging

Log activity, duration, and intensity through your agent. The API estimates calories burned using MET values.

Weekly deficit 5 / 7 days
Mon
Tue
Wed
Thu
Fri
Sat
Sun

Weekly progress

See your daily deficit consistency, average calories, protein, and weight trend — all updated in real time.

How it works

Three steps to
a better log.

1

Create your account

Sign up below and get your private API endpoint and token instantly. No credit card required.

2

Connect your assistant

Paste the endpoint and token into ChatGPT, Grok, Claude, or any AI agent's action/tool configuration. The OpenAPI schema auto-discovers every endpoint.

3

Start logging naturally

Tell your assistant what you ate, how you moved, or your weigh-in. It logs to Calibrate and your dashboard updates instantly.

Free during beta.

No credit card required. All features included. If this becomes a paid product, early users get a grandfathered rate.

$0
per month · beta pricing
Private API endpoint & token
Unlimited food, exercise & weight logs
Premium dashboard & weight trend charts
Connect any AI agent (ChatGPT, Grok, Claude)
Get started free

Ready to
calibrate?

Free during beta. Your own private health API in under a minute.

Private API endpoint and token
Full OpenAPI schema for agent setup
Premium dashboard with real-time updates
Scoped permissions — you control agent access

Use with any assistant

ChatGPT Grok Claude Gemini Custom agents