log_water

MCP tool from Nutrition MCP by akutishevsky

Log a hydration entry in milliliters

How to use it

log_water is exposed by the Nutrition MCP MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the log_water tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.

FULL NUTRITION MCP LISTING

Other tools in Nutrition MCP (37)

bulk_import_meals

Write up to 50 imported rows per call — each row validated, duplicates skipped so a re-send is safe

delete_account

Permanently delete account and all associated data

delete_meal

Delete a meal by ID

delete_water

Delete a water log entry by ID

delete_weight

Delete a weight entry by ID

export_meals

Export all meals as a CSV and return a 60-minute download link

get_alcohol_tracking

Get whether alcohol tracking is on and which standard drink it's displayed in

get_current_time

Get the current date and time in the user's timezone, plus the UTC instant — for hosts with no clock in context

get_goal_progress

Get intake vs. targets and limits for a given day (default: today), plus latest weight vs. target

get_meal_patterns

Pre-aggregated behavioural patterns (breakfast effect, late dinner, weekend vs weekday, outliers)

get_meals_by_date

Get meals for a specific date (YYYY-MM-DD)

get_meals_by_date_range

Get meals between two dates (inclusive)

get_meals_today

Get all meals logged today

get_nutrition_goals

Get the current daily targets and limits

get_nutrition_summary

Daily nutrition totals + goal progress for a date range

get_timezone

Get the user's configured timezone, plus their current local date and time

get_trends

7/14/30-day averages, std dev, streaks, day-of-week, best/worst day

get_water_by_date

Get water intake for a specific date

get_water_today

Get today's water intake total and entries

get_weight_by_date

Get weight entries for a specific date

get_weight_by_date_range

Get weight entries between two dates (inclusive), grouped by day

get_weight_today

Get today's weight entries

get_weight_trends

Weight trend: latest, overall change, 7/14/30-day moving averages, min/max, and goal progress

get_weight_unit

Get the preferred weight unit

get_widget_display

Get whether the in-chat visual widgets are enabled

log_meal

Log a meal with description, type, calories, macros, fiber, total sugar, alcohol, caffeine (mg), notes — from text or a photo of your plate

log_weight

Log a body-weight measurement in kg or lb (converted and stored server-side)

lookup_barcode

Look up a packaged product's label nutrition by barcode via Open Food Facts (read from a photo or typed)

search_meals

Search past meals by keyword, grouped into recurring variations (counts, last logged, typical macros)

set_alcohol_tracking

Turn alcohol tracking on or off (off by default) and choose US standard drinks or UK units; turning it off hides alcohol rather than deleting it

set_nutrition_goals

Set daily calorie, macro, fiber and water targets to reach, sugar/alcohol/caffeine limits to stay under, plus an optional target weight

set_timezone

Set the user's IANA timezone (e.g. America/LosAngeles)

set_weight_unit

Set the preferred weight unit (kg or lb; null to clear)

set_widget_display

Enable or disable the in-chat visual widgets (dashboards, rings, charts); enabled by default

start_meal_import

Open the in-chat CSV importer: pick an export from another app, map its columns, preview, confirm

update_meal

Update any fields of an existing meal

update_weight

Update an existing weight entry