Growo child growth
Track your child's growth percentiles, BMI, and development milestones using WHO and CDC standards.
Provides child growth analysis tools including percentile charts, BMI calculations, corrected age for preterm infants, target height prediction, and developmental milestones. Uses WHO and CDC reference standards with educational articles on child growth and development.
Try asking Muse: "What percentile is my 18-month-old daughter's weight of 12 kg on the WHO growth chart?"
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Source: Found in the official MCP Registry (com.usegrowo/growo-growth) · First listed October 28, 2026
Last 24 hours
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Is it safe to connect?
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://mcp.usegrowo.com/Not in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Also use it in ChatGPT or Claude
Growo child growth is a remote MCP server, so any assistant that can add a custom connector by link can use it. Same link, same tools.
Add it to ChatGPT
- 1
Open ChatGPT settings
In ChatGPT, open Settings, then Connectors (called Apps & Connectors on some accounts).
- 2
Turn on developer mode
Under Advanced settings, switch on Developer mode. That is what lets you add a connector by link.
- 3
Create the connector
Choose Create, give it a name, paste the link as the MCP server URL, and save. If it needs a sign-in, ChatGPT asks for it here.
- 4
Use it in a chat
Start a chat, open the tools menu, pick the connector, and ask. ChatGPT asks before it runs a tool the first time.
Custom connectors need a paid ChatGPT plan, and on Team, Enterprise and Edu accounts only an admin can add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in ChatGPT
Add it to Claude
- 1
Open Claude settings
In Claude, open Settings, then Connectors.
- 2
Add a custom connector
Choose Add custom connector, give it a name, and paste the link.
- 3
Connect and use it
If it needs a sign-in, Claude sends you to it. Then turn the connector on in a chat from the tools menu and ask.
Custom connectors are available on paid Claude plans; on Team and Enterprise accounts an admin may need to add them. Our "Working" label means the server answered us; it cannot tell whether your plan lets you add it. All connectors that work in Claude
https://mcp.usegrowo.com/What people ask Muse to do
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 68ms. Worked in 100% of checks over 30 days.
Screening · October 28, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 16
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.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'.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 Cgrowth_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 ontobirth_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 pregcorrected_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 gestationaltarget_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 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 arithmetigrowth_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-DDponderal_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 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 correcconvert_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, unzscore_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.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.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 ifetchRetrieve the full text (Markdown) of a Growo article or calculator page by the id that search returned. The result includes the page url.Recent checks
Link
https://mcp.usegrowo.com/Questions about Growo child growth in Muse
How do I connect Growo child growth to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Growo child growth to help me. It is a free service with an MCP server at https://mcp.usegrowo.com/. It does not need an API key. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Growo child growth working right now?
At the last check (October 29, 2026, 09:46 UTC) the endpoint was working, answering in 68ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Growo child growth safe to connect to Muse?
It was screened on October 28, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Growo child growth do in Muse?
It exposes 16 tools, including growth_percentile, growth_reference_range, bmi_percentile, growth_trend. For example, you could ask Muse: "What percentile is my 18-month-old daughter's weight of 12 kg on the WHO growth chart?"
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