MyFitnessPal MCP server Let your AI agent keep your food diary.

ToolWhat it doesAccess

• get_diary_day Returns one day of the food diary: each meal with its foods and the day's totals. read

  Returns the meals of that day. Each food has an entry_id, a name, a serving and its calories and macros. The totals are the ones MyFitnessPal shows for the day. A day with nothing logged returns empty meals.

  MCP callmyfitnesspal_read → get_diary_day

  REST endpointGET https://cotlet.dev/api/v1/myfitnesspal/diary-day

  Parameters

  Parameters: get_diary_day

  Name	Type	Description
  date string	string	Diary day as YYYY-MM-DD. Defaults to today in your account time zone.

  Example response

  {
    "date": "2026-11-04",
    "meals": [
      {
        "meal": "Breakfast",
        "entries": [
          {
            "entry_id": "e_1042",
            "food": "Egg, whole, large",
            "serving": "2 large",
            "calories": 143,
            "protein_g": 12.6,
            "carbs_g": 0.7,
            "fat_g": 9.5
          },
          {
            "entry_id": "e_1043",
            "food": "Whole wheat bread",
            "serving": "1 slice",
            "calories": 81,
            "protein_g": 4,
            "carbs_g": 13.8,
            "fat_g": 1.1
          }
        ]
      },
      {
        "meal": "Lunch",
        "entries": [
          {
            "entry_id": "e_1051",
            "food": "Chicken salad",
            "serving": "1 bowl",
            "calories": 320,
            "protein_g": 28,
            "carbs_g": 12,
            "fat_g": 17
          }
        ]
      }
    ],
    "totals": {
      "calories": 544,
      "protein_g": 44.6,
      "carbs_g": 26.5,
      "fat_g": 27.6
    }
  }

• search_foods Searches the MyFitnessPal food database by name or brand. read

  Returns matching foods. Each result has a food_id, a name, a brand when the food has one, and its default serving with calories. Pass food_id to get_food for the full nutrition and the other servings.

  MCP callmyfitnesspal_read → search_foods

  REST endpointGET https://cotlet.dev/api/v1/myfitnesspal/foods/search

  Parameters

  Parameters: search_foods

  Name	Type	Description
  query string required	string	Food name or brand, for example "greek yogurt".
  cursor string	string	Next page cursor from the previous call.

  Example input

  {
    "query": "query"
  }

  Example response

  {
    "foods": [
      {
        "food_id": "f_88120",
        "name": "Greek Yogurt, Plain, Nonfat",
        "brand": "Example Dairy",
        "serving": "170 g",
        "calories": 100
      },
      {
        "food_id": "f_88121",
        "name": "Greek Yogurt, Plain",
        "brand": null,
        "serving": "1 cup",
        "calories": 130
      }
    ],
    "next_cursor": null
  }

• get_food Returns the nutrition of one food and the servings MyFitnessPal offers for it. read

  Returns the food's name, brand and every serving the food page lists, each with calories, protein, carbs and fat. Use it before log_food to choose a serving.

  MCP callmyfitnesspal_read → get_food

  REST endpointGET https://cotlet.dev/api/v1/myfitnesspal/foods/{food_id}

  Parameters

  Parameters: get_food

  Name	Type	Description
  food_id string required	string	Food ID from search_foods.

  Example input

  {
    "food_id": "food_8c41d2"
  }

  Example response

  {
    "food_id": "f_88120",
    "name": "Greek Yogurt, Plain, Nonfat",
    "brand": "Example Dairy",
    "servings": [
      {
        "serving": "170 g",
        "calories": 100,
        "protein_g": 17,
        "carbs_g": 6,
        "fat_g": 0
      },
      {
        "serving": "100 g",
        "calories": 59,
        "protein_g": 10,
        "carbs_g": 3.5,
        "fat_g": 0
      }
    ]
  }

• list_saved_meals Lists the meals you saved under My Meals. read

  Returns each saved meal with its meal_id, name and total calories. Saved meals belong to your account. Pass meal_id to log_saved_meal.

  MCP callmyfitnesspal_read → list_saved_meals

  REST endpointGET https://cotlet.dev/api/v1/myfitnesspal/saved-meals

  Parameters

  No parameters.

  Example response

  {
    "saved_meals": [
      {
        "meal_id": "m_301",
        "name": "Weekday lunch",
        "calories": 540
      },
      {
        "meal_id": "m_302",
        "name": "Post-workout shake",
        "calories": 280
      }
    ]
  }

• log_food Adds one food to a meal in your diary. write

  Adds the food to the meal and day you name and returns the new entry_id with its calories. It reaches no one, and delete_diary_entry undoes it in one call, so it does not wait for your OK. A serving that the food does not offer fails and the error lists the servings it has.

  MCP callmyfitnesspal_write → log_food

  REST endpointPOST https://cotlet.dev/api/v1/myfitnesspal/foods/{food_id}

  Parameters

  Parameters: log_food

  Name	Type	Description
  food_id string required	string	Food ID from search_foods.
  meal string required	string	Meal name as your diary shows it, for example Breakfast, Lunch, Dinner or Snacks.
  serving string	string	Serving from get_food, for example "170 g". Defaults to the food's default serving.
  quantity number	number	Number of servings. Defaults to 1.
  date string	string	Diary day as YYYY-MM-DD. Defaults to today in your account time zone.

  Example input

  {
    "food_id": "f_88120",
    "meal": "Snacks",
    "serving": "170 g",
    "quantity": 1,
    "date": "2026-11-04"
  }

  Example response

  {
    "entry_id": "e_1060",
    "meal": "Snacks",
    "food": "Greek Yogurt, Plain, Nonfat",
    "serving": "170 g",
    "quantity": 1,
    "calories": 100,
    "date": "2026-11-04"
  }

• log_saved_meal Adds a meal from My Meals to a meal in your diary. write

  Adds every food of the saved meal to the meal and day you name and returns the new entry IDs and the calories added. It reaches no one, and delete_diary_entry undoes it entry by entry, so it does not wait for your OK.

  MCP callmyfitnesspal_write → log_saved_meal

  REST endpointPOST https://cotlet.dev/api/v1/myfitnesspal/meals/{meal_id}/saved-meals

  Parameters

  Parameters: log_saved_meal

  Name	Type	Description
  meal_id string required	string	Meal ID from list_saved_meals.
  meal string required	string	Meal name as your diary shows it, for example Breakfast, Lunch, Dinner or Snacks.
  date string	string	Diary day as YYYY-MM-DD. Defaults to today in your account time zone.

  Example input

  {
    "meal_id": "meal_8c41d2",
    "meal": "meal"
  }

  Example response

  {
    "entry_ids": [
      "e_1071",
      "e_1072",
      "e_1073"
    ],
    "meal": "Lunch",
    "saved_meal": "Weekday lunch",
    "calories": 540,
    "date": "2026-11-04"
  }

• quick_add_calories Adds a calorie amount to a meal without choosing a food. write

  Adds a Quick Add entry to the meal and day you name. On the free plan MyFitnessPal takes calories only, and a call with grams fails. It reaches no one, and delete_diary_entry undoes it, so it does not wait for your OK.

  MCP callmyfitnesspal_write → quick_add_calories

  REST endpointPOST https://cotlet.dev/api/v1/myfitnesspal/add-calories/quick

  Parameters

  Parameters: quick_add_calories

  Name	Type	Description
  meal string required	string	Meal name as your diary shows it, for example Breakfast, Lunch, Dinner or Snacks.
  calories number required	number	Calories to add.
  protein_g number	number	Protein in grams. Needs Premium.
  carbs_g number	number	Carbs in grams. Needs Premium.
  fat_g number	number	Fat in grams. Needs Premium.
  date string	string	Diary day as YYYY-MM-DD. Defaults to today in your account time zone.

  Example input

  {
    "meal": "meal",
    "calories": 1
  }

  Example response

  {
    "entry_id": "e_1080",
    "meal": "Dinner",
    "calories": 650,
    "date": "2026-11-04"
  }

• delete_diary_entry Removes one food or exercise entry from your diary. write

  Removes the entry and returns what was removed, so you can log it again. It touches only your own diary and reaches no one, so it does not wait for your OK.

  MCP callmyfitnesspal_write → delete_diary_entry

  REST endpointDELETE https://cotlet.dev/api/v1/myfitnesspal/entries/{entry_id}/diary-entries

  Parameters

  Parameters: delete_diary_entry

  Name	Type	Description
  entry_id string required	string	Entry ID from get_diary_day.

  Example input

  {
    "entry_id": "entry_8c41d2"
  }

  Example response

  {
    "entry_id": "e_1060",
    "removed": "Greek Yogurt, Plain, Nonfat",
    "meal": "Snacks",
    "calories": 100,
    "date": "2026-11-04"
  }

ToolWhat it doesAccess

• get_water Returns the water logged for one day. read

  Returns the total water logged for that day in the unit your account uses. A day with no water logged returns 0.

  MCP callmyfitnesspal_read → get_water

  REST endpointGET https://cotlet.dev/api/v1/myfitnesspal/water

  Parameters

  Parameters: get_water

  Name	Type	Description
  date string	string	Diary day as YYYY-MM-DD. Defaults to today in your account time zone.

  Example response

  {
    "date": "2026-11-04",
    "unit": "ml",
    "total": 1250
  }

• log_water Adds water to a day. write

  Adds the amount to that day's water and returns the new total. It reaches no one and you can log a correcting amount, so it does not wait for your OK.

  MCP callmyfitnesspal_write → log_water

  REST endpointPOST https://cotlet.dev/api/v1/myfitnesspal/waters

  Parameters

  Parameters: log_water

  Name	Type	Description
  amount number required	number	Amount to add in the unit your account uses (get_water returns it).
  date string	string	Diary day as YYYY-MM-DD. Defaults to today in your account time zone.

  Example input

  {
    "amount": 1
  }

  Example response

  {
    "date": "2026-11-04",
    "unit": "ml",
    "added": 500,
    "total": 1750
  }

• get_weight_entries Returns the weights you logged in a date range. read

  Returns one entry per logged weight with its date and value in the unit your account uses. Days with no weight are left out.

  MCP callmyfitnesspal_read → get_weight_entries

  REST endpointGET https://cotlet.dev/api/v1/myfitnesspal/weight-entries

  Parameters

  Parameters: get_weight_entries

  Name	Type	Description
  from string required	string	First day as YYYY-MM-DD.
  to string required	string	Last day as YYYY-MM-DD.

  Example input

  {
    "from": "from",
    "to": "to"
  }

  Example response

  {
    "unit": "kg",
    "entries": [
      {
        "date": "2026-10-29",
        "weight": 79.1
      },
      {
        "date": "2026-11-01",
        "weight": 78.8
      },
      {
        "date": "2026-11-04",
        "weight": 78.4
      }
    ]
  }

• log_weight Records your weight for a day. write

  Records the weight for that day and returns it with the previous entry. MyFitnessPal uses your current weight in its calorie calculations. It reaches no one and a new call corrects it, so it does not wait for your OK.

  MCP callmyfitnesspal_write → log_weight

  REST endpointPOST https://cotlet.dev/api/v1/myfitnesspal/weights

  Parameters

  Parameters: log_weight

  Name	Type	Description
  weight number required	number	Weight in the unit your account uses.
  date string	string	Diary day as YYYY-MM-DD. Defaults to today in your account time zone.

  Example input

  {
    "weight": 1
  }

  Example response

  {
    "date": "2026-11-04",
    "unit": "kg",
    "weight": 78.4,
    "previous": {
      "date": "2026-11-01",
      "weight": 78.8
    }
  }

• list_exercises Returns the exercise logged for one day, including entries synced from a connected device. read

  Returns each exercise with its entry_id, name, minutes and calories burned where MyFitnessPal gives them. Strength training has sets, reps and weight instead, and MyFitnessPal does not count calories burned for it. Steps are not returned: MyFitnessPal reads them from a connected app or device.

  MCP callmyfitnesspal_read → list_exercises

  REST endpointGET https://cotlet.dev/api/v1/myfitnesspal/exercises

  Parameters

  Parameters: list_exercises

  Name	Type	Description
  date string	string	Diary day as YYYY-MM-DD. Defaults to today in your account time zone.

  Example response

  {
    "date": "2026-11-03",
    "exercises": [
      {
        "entry_id": "x_204",
        "name": "Running",
        "minutes": 40,
        "calories_burned": 410
      },
      {
        "entry_id": "x_205",
        "name": "Bench press",
        "sets": 3,
        "reps": 10,
        "weight_kg": 60,
        "calories_burned": null
      }
    ]
  }

• log_exercise Adds a cardio exercise to a day. write

  Adds the exercise to the day and returns the entry with the calories MyFitnessPal credits for it. Strength training with sets, reps and weight is not logged by this tool. It reaches no one, and delete_diary_entry undoes it, so it does not wait for your OK.

  MCP callmyfitnesspal_write → log_exercise

  REST endpointPOST https://cotlet.dev/api/v1/myfitnesspal/exercises

  Parameters

  Parameters: log_exercise

  Name	Type	Description
  name string required	string	Exercise name as MyFitnessPal lists it, for example Running.
  minutes integer required	integer	Duration in minutes.
  date string	string	Diary day as YYYY-MM-DD. Defaults to today in your account time zone.

  Example input

  {
    "name": "Jane Doe",
    "minutes": 1
  }

  Example response

  {
    "entry_id": "x_210",
    "name": "Running",
    "minutes": 40,
    "calories_burned": 410,
    "date": "2026-11-03"
  }

ToolWhat it doesAccess

• get_nutrition_goals Returns your daily calorie and macro goals. read

  Returns the calorie goal and the protein, carbs and fat goals set under Goals in your account. On the free plan the macro goals are percentages of calories; Premium can set grams. The response says which kind the account uses.

  MCP callmyfitnesspal_read → get_nutrition_goals

  REST endpointGET https://cotlet.dev/api/v1/myfitnesspal/nutrition-goals

  Parameters

  No parameters.

  Example response

  {
    "calories": 2100,
    "macros": {
      "protein": {
        "percent": 25
      },
      "carbs": {
        "percent": 50
      },
      "fat": {
        "percent": 25
      }
    },
    "goal_type": "percent"
  }