Water Intake Calculator MCP tool

• weight

  number required

  Body weight in kg (metric) or lbs (imperial).

• age

  integer required

  Age in years (1-120). Under 18 adds 10%, over 55 removes 5%.

• unit_system

  string optional

  Unit system for weight. One of metric · imperial. Default "metric".

• activity_level

  string optional

  Activity multiplier: sedentary 1.0, light 1.1, moderate 1.2, active 1.35, very_active 1.5. One of sedentary · light · moderate · active · very_active. Default "moderate".

• climate

  string optional

  Climate multiplier: cold 0.95, moderate 1.0, hot 1.15, very_hot 1.3. One of cold · moderate · hot · very_hot. Default "moderate".

• caffeine_drinks

  integer optional

  Caffeinated drinks per day (0-20). Each adds 350 ml. Default 0.

• pregnant

  boolean optional

  Adds 300 ml when true. Default false.

• breastfeeding

  boolean optional

  Adds 700 ml when true. Default false.

{
  "weight": 70,
  "age": 30,
  "caffeine_drinks": 2
}