Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx skills add langcare/langcare-mcp-fhir --skill pediatric-growthgit clone --depth 1 https://github.com/langcare/langcare-mcp-fhirWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/skills/langcare/langcare-mcp-fhir/pediatric-growth)<a href="https://agentmods.dev/skills/langcare/langcare-mcp-fhir/pediatric-growth"><img src="https://agentmods.dev/badge/skills/langcare/langcare-mcp-fhir/pediatric-growth/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/skills/langcare/langcare-mcp-fhir/pediatric-growth"><img src="https://agentmods.dev/badge/skills/langcare/langcare-mcp-fhir/pediatric-growth.svg" alt="Reviewed on agentmods" width="80" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00081 | $0.00798 |
| Opus 5 | $0.00041 | $0.00399 |
| Sonnet 5 | $0.00016 | $0.00160 |
| Haiku 4.5 | $0.00008 | $0.00080 |
Grade A, and why
langcare-pediatric-growth scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 57 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Pediatric Growth Assessment
When to Use This Skill
Use when a clinician needs to evaluate a pediatric patient's growth trajectory against age-appropriate percentile charts.
Clinical Workflow
- Use
fhir_readto retrieve Patient demographics (birthDate for age calculation, gender for sex-specific charts) - Use
fhir_searchto pull Observation resources for weight (LOINC 29463-7), length/height (LOINC 8302-2 height, 8306-3 body length), head circumference (LOINC 9843-4), and BMI (LOINC 39156-5) over time - Determine chart set: WHO (0-2 years), CDC (2-20 years) -- see references/who-cdc-percentiles.md
- Plot current and historical measurements against sex-specific percentile curves
- Calculate percentiles and Z-scores for current measurements
- Identify growth concerns: weight-for-age <3rd percentile (failure to thrive), BMI >85th (overweight), BMI >95th (obese), crossing >2 major percentile lines (growth faltering or acceleration), head circumference <3rd or >97th
- Use
fhir_searchto pull Condition resources for underlying diagnoses affecting growth - Present growth dashboard with current percentiles, trajectory, and flagged concerns
FHIR Resources
- Patient -- Age and sex for chart selection
- Observation -- Weight (29463-7), height (8302-2), length (8306-3), head circumference (9843-4), BMI (39156-5)
- Condition -- Growth-related diagnoses (FTT, obesity, short stature, endocrine conditions)
FHIR Query Examples
Pull Growth Measurements
fhir_search(resourceType="Observation", queryParams="patient=[patient-id]&code=29463-7,8302-2,8306-3,9843-4,39156-5&_sort=date&_count=100")
Clinical Guidelines
- WHO growth standards (0-2 years): international reference for breastfed infants
- CDC growth charts (2-20 years): US reference population
- AAP guidelines for failure to thrive evaluation
- AAP Expert Committee recommendations for childhood obesity
Interpretation Guide
- Use WHO charts for 0-2 years (based on breastfed infant norms), CDC charts for 2-20 years
- Percentile thresholds: <3rd concerning for undernutrition, 3rd-85th normal, 85th-95th overweight, >95th obese
- Track trajectory: crossing 2+ major percentile lines in either direction warrants evaluation
- Head circumference: <3rd may indicate microcephaly, >97th may indicate macrocephaly or hydrocephalus (monitor closely in first 18 months)
- For premature infants: use corrected gestational age until 24 months (corrected = chronological age minus weeks premature)
- BMI interpretation for children: use BMI-for-age percentile, not adult BMI categories
What ships with it
1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 12d ago First seen · 57 lines · 81 tokens per session scan A 48128d7efb4a
langcare-pediatric-growth is a skill published in the GitHub repository langcare/langcare-mcp-fhir (55 stars, last pushed 5mo ago), licensed MIT. It adds 81 tokens to every session and 798 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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