Data, search and analytics
growo-growth
growo-growth was answering at the last check. Checked on 2026-10-05 (daily check).
Free child growth tools: percentiles, BMI, corrected age, target height, birth size. WHO and CDC.
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16 read-only0 change data0 high risk
https://mcp.usegrowo.com/
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Status
Newest check: answered with tools, from the daily check, 2026-10-05, 688 ms.
From one check a day over the last 1 day. Servers whose owner verified them are checked every 5 minutes. Sign-in and payment answers count as up.
Last 30 days
2026-09-062026-10-05
answered with toolssign-in or payment askednot answeringnot checked
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Tools
16 tools: 16 read-only, 0 change data, 0 high risk (delete, pay, send or run code).
- read-only
- Only reads or looks things up. Safe for an agent to call on its own.
- changes data
- Creates, edits or sends something. Worth a person's approval the first time.
- high risk
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Connecting costs an agent about 5,844 tokens of tool definitions and a 688 ms handshake.
- read-only
growth_percentileWhere one measurement of a child sits on the WHO or CDC growth reference chart. Returns the percentile, the z-score and the 3rd/15th/50th/85th/97th percentile values at that age, using the same LMS tables as the calculator on usegrowo.com. Returns no interpretation. - read-only
growth_reference_rangeThe 3rd/15th/50th/85th/97th percentile values for a given age and sex - the reference band itself, with no child's measurement involved. Use this to answer 'what is normal for this age'. - read-only
bmi_percentileComputes BMI from weight and height, then places it on the BMI-for-age chart for the child's sex and age: the WHO standards under 24 months, the CDC 2000 growth charts from 24 months to 240 months (20 years), the split the CDC advises. From 24 months the result also carries the CDC percentile ran... - read-only
growth_trendWhat moved between two measurements of the same child: the percentile and z-score at each point, how far the position shifted, and how many of the drawn 3rd/15th/50th/85th/97th lines were crossed. Band crossings are the unit that matters - one is common while a child settles onto their own curve,... - read-only
birth_size_percentileWhere a birth measurement sits on the Olsen 2010 intrauterine curves, for the number of completed weeks of pregnancy. This answers a different question from the growth charts: not how a child grows over time, but how big they were on the day they were born given how long the pregnancy ran. A 2.2 ... - read-only
corrected_ageThe corrected age of a baby born before 37 weeks: the age since birth minus the weeks the baby was early. Use it for 'what is my preemie's corrected / adjusted age', for reading milestones, and for choosing the age at which to plot growth. Takes the birth date and the gestational age at birth and... - read-only
target_heightThe adult height a child is expected to reach, estimated from both parents' heights with Tanner's mid-parental method: (mother + father +13 cm for a boy, -13 cm for a girl) / 2, with a range of 8.5 cm either side. Use it for 'how tall will my child be', 'mid-parental height' and 'child height pre... - read-only
newborn_weight_changeHow far a baby's weight is from the birth weight: the change in grams and in percent, and whether the baby is back at or above birth weight. Use it for 'how much weight has my newborn lost', 'newborn weight loss percentage' and 'has my baby regained birth weight'. It is arithmetic on two numbers ... - read-only
growth_velocityHow fast a child grew between two measurements: the change, and the rate per day, per week and per 30 days. Use it for 'how many grams a day is my baby gaining' and 'how many cm did my child grow'. Weight in grams, length and head circumference in centimetres, dates as YYYY-MM-DD. It states the r... - read-only
ponderal_indexThe ponderal index (Rohrer's index) from weight and length: 100 x weight in grams / length in cm cubed, with the same quantity in kg per cubic metre. It is a newborn proportion measure; BMI-for-age is the usual measure for older children. It returns the number and does not place it against a range. - read-only
child_ageThe exact calendar age from a birth date: whole years, months and leftover days, plus the total in months, weeks and days. Use it for 'how old is my baby in months', 'age in weeks' and for turning a birth date into an age in months. This is the age since birth, not the age corrected for prematuri... - read-only
convert_measurementConverts a weight (kg, g, lb, oz) or a length (cm, m, in, ft) to every common unit, so a measurement quoted in pounds and ounces or feet and inches can go into the growth tools, which take kg and cm. For '7 lb 4 oz' pass value 7, unit lb, extra 4; for '2 ft 3 in' pass value 2, unit ft, extra 3. - read-only
zscore_percentileConverts a z-score (standard deviations from the median) to a percentile and a percentile to a z-score on the normal curve, the relationship growth charts use. Pass exactly one of zScore or percentile. It converts the number and does not say what it means for a child. - read-only
development_milestonesWHO motor-development windows that are open, already closed or not yet due at a given age, plus the nearest CDC well-child checkpoint months. Windows are 1st–99th percentile ranges from the WHO Motor Development Study - a child inside a window is within the normal range. - read-only
searchSearch Growo's physician-written articles and calculators on baby and child growth, percentiles, growth charts, premature babies (corrected age), head circumference, sleep, feeding and development. Returns a short list of results, each with an id, a title and the page URL. Each id can be read in ... - read-only
fetchRetrieve the full text (Markdown) of a Growo article or calculator page by the id that search returned. The result includes the page url.
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No tool change since tracking began on 2026-10-05.
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