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 immunization-statusgit 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/immunization-status)<a href="https://agentmods.dev/skills/langcare/langcare-mcp-fhir/immunization-status"><img src="https://agentmods.dev/badge/skills/langcare/langcare-mcp-fhir/immunization-status/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/immunization-status"><img src="https://agentmods.dev/badge/skills/langcare/langcare-mcp-fhir/immunization-status.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 | $0.00063 | $0.00685 |
| Opus 5 | $0.00032 | $0.00342 |
| Sonnet 5 | $0.00013 | $0.00137 |
| Haiku 4.5 | $0.00006 | $0.00068 |
Grade A, and why
langcare-immunization-status 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 — 59 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Immunization Status Checker
When to Use This Skill
Use when a clinician needs to evaluate a patient's vaccination history against current CDC/ACIP recommendations and identify gaps.
Clinical Workflow
- Use
fhir_readto retrieve Patient demographics (age, gender for age-based schedule) - Use
fhir_searchto pull all Immunization resources (status=completed) - Use
fhir_searchto pull active Condition resources for risk-based vaccine recommendations (immunocompromised, asplenia, pregnancy, chronic conditions) - Map completed immunizations against CDC/ACIP schedule (see references/cdc-schedule.md) by age group and risk factors
- Identify: completed (up to date), due now (within recommended window), overdue (past recommended date), contraindicated (based on conditions/allergies)
- Present immunization status checklist with specific vaccine recommendations
FHIR Resources
- Patient -- Age for schedule determination
- Immunization -- Vaccination history: vaccineCode (CVX), occurrenceDateTime, status, doseNumberPositiveInt
- Condition -- Risk factors for additional vaccine recommendations
- AllergyIntolerance -- Vaccine contraindications (egg allergy, gelatin, neomycin)
FHIR Query Examples
Pull Immunization History
fhir_search(resourceType="Immunization", queryParams="patient=[patient-id]&status=completed")
Pull Risk Conditions
fhir_search(resourceType="Condition", queryParams="patient=[patient-id]&clinical-status=active")
Clinical Guidelines
- CDC/ACIP Recommended Immunization Schedules (updated annually)
- CDC catch-up immunization schedule
- ACOG recommendations for immunizations in pregnancy
Interpretation Guide
- Organize by vaccine: name, series status (dose X of Y completed), date of last dose, next dose due, status (current/due/overdue/contraindicated)
- Age-specific schedule: childhood (0-18), adult (19-64), older adult (65+)
- Risk-based additions: pneumococcal (PCV20 or PCV15+PPSV23) for age 65+ or immunocompromised, hepatitis A/B for risk factors, meningococcal for asplenia
- Pregnancy-specific: Tdap each pregnancy 27-36 weeks, flu in flu season, avoid live vaccines (MMR, varicella)
- Flag high-priority gaps: no flu vaccine in season, no COVID primary series, no Tdap in 10+ years
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 · 59 lines · 63 tokens per session scan A b8ed44afe5c0
langcare-immunization-status is a skill published in the GitHub repository langcare/langcare-mcp-fhir (55 stars, last pushed 5mo ago), licensed MIT. It adds 63 tokens to every session and 685 once invoked, about $0.0003 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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