Track calories with Claude
Tell Claude what you ate or lifted, then ask how your day is going. CalStory saves every entry to your own diary.
Log two scrambled eggs and toast for breakfast.
Done. I logged it as about 300 calories and 16 g of protein.
How much protein do I have left today?
I checked your diary and compared it with your protein target.
Example only. Claude's wording and estimates will vary.
What you need
A CalStory account, on any plan. The connector does not use your daily AI prompts, because Claude makes the nutrition estimates itself.
Connect in four steps
- In Claude, open Settings, then Connectors.
- Choose Add custom connector and enter
https://calstory.app/api/mcp. - Select Connect and sign in to CalStory.
- Review the permissions and select Allow.
Things to try
- Log two scrambled eggs and toast for breakfast.
- How many calories and how much protein do I have left today?
- I drank 500 ml of water.
- Log today's push workout: bench 3 sets of 8 at 60 kg, 45 minutes.
- How has my protein been over the last two weeks?
- Remove the snack I logged this afternoon.
Tools
| Tool | Access | What it does |
|---|---|---|
get_daily_summary | Read | One day's meals, totals, remaining targets, workouts, water and weigh-ins. |
get_history | Read | Per-day totals, water, workouts and weigh-ins for up to 31 days. |
get_recent_meals | Read | The 20 meals you logged most recently. |
search_foods | Read | Looks up calories and macros in USDA FoodData Central. |
log_meal | Write | Adds a food or drink entry to your diary. |
log_water | Write | Adds water to a day's hydration log. |
log_weight | Write | Records a weigh-in. One dated today becomes your current weight. |
log_workout | Write | Adds a completed workout. |
delete_log_entry | Delete | Removes one meal, workout, water or weight entry. |
Your data and access
Claude can read your calorie and macro targets, and can read and change your meals, workouts, water and weight logs. It cannot see your billing details or change your account.
CalStory receives only what each tool needs and does not collect your Claude conversations. Read our Privacy Policy for details.
CalStory estimates are for general tracking and are not medical advice.
Disconnect
Remove the connector in Claude, or go to Settings in CalStory and select Disconnect on the Claude connector card. Disconnecting in CalStory stops access immediately. Entries already logged stay in your account.
Questions
Can Claude track my calories?
Yes, with the CalStory connector. Tell Claude what you ate, and Claude estimates the nutrition and saves the entry to your CalStory diary.
Does the connector cost extra?
No. It works on every CalStory plan, including Free, and does not use your daily AI prompts.
How accurate are the calorie estimates?
They are estimates. Claude can look up foods in USDA FoodData Central, and you can correct or delete any entry. CalStory is for general tracking and is not medical advice.
What can Claude access?
Your calorie and macro targets, and your meal, workout, water and weight logs. It cannot see billing details or change your account. You can disconnect at any time.
Support
Email support@calstory.app. Comparing trackers? See how CalStory compares with MyFitnessPal.
YOUR NEXT DATA POINT
Start with today.
Log your meals, track your training, and let the bigger picture build from there.
Start tracking free