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 critical-value-alert-generatorgit 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/critical-value-alert-generator)<a href="https://agentmods.dev/skills/langcare/langcare-mcp-fhir/critical-value-alert-generator"><img src="https://agentmods.dev/badge/skills/langcare/langcare-mcp-fhir/critical-value-alert-generator/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/critical-value-alert-generator"><img src="https://agentmods.dev/badge/skills/langcare/langcare-mcp-fhir/critical-value-alert-generator.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 | $0.00096 | $0.02907 |
| Opus 5 | $0.00048 | $0.01453 |
| Sonnet 5 | $0.00019 | $0.00581 |
| Haiku 4.5 | $0.00010 | $0.00291 |
Grade A, and why
critical-value-alert-generator 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 — 235 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Critical Value Alert Generator
Overview
Scan recent laboratory Observation resources for values exceeding critical thresholds defined by CAP (College of American Pathologists) and CLIA guidelines. Generate structured alerts containing: the critical value, threshold exceeded, clinical significance, and recommended immediate action. Support read-back verification workflow for clinical notification compliance. Prioritize alerts by clinical urgency.
FHIR Resources Used
| Resource | Purpose | Key Fields |
|---|---|---|
| Observation | Lab results to evaluate | code, valueQuantity, interpretation, effectiveDateTime, status |
| Patient | Demographics for context | birthDate, gender, name |
| MedicationStatement | Drug context for critical values | medicationCodeableConcept, status |
| Condition | Clinical context | code, clinicalStatus |
Instructions
Step 1: Retrieve Patient Demographics
Tool: fhir_read
resourceType: "Patient"
id: "[patient-id]"
Extract name (for alert addressee), age (pediatric thresholds differ), gender.
Step 2: Pull Recent Laboratory Observations
Tool: fhir_search
resourceType: "Observation"
queryParams: "patient=[patient-id]&category=laboratory&date=ge[24-hours-ago]&_sort=-date&_count=200"
Default scan window: 24 hours. Expand to 48 or 72 hours if user requests or if investigating missed alerts.
Step 3: Screen Against Critical Value Thresholds
For each Observation, compare valueQuantity.value against critical thresholds.
Priority 1 -- Immediately Life-Threatening:
| Analyte | LOINC | Critical Low | Critical High | Unit |
|---|---|---|---|---|
| Potassium | 2823-3 | < 2.5 | > 6.5 | mEq/L |
| Sodium | 2951-2 | < 120 | > 160 | mEq/L |
| Glucose | 2345-7 | < 40 | > 500 | mg/dL |
| Calcium (total) | 17861-6 | < 6.0 | > 13.0 | mg/dL |
| Ionized Calcium | 1994-3 | < 0.78 | > 1.58 | mmol/L |
| pH (arterial) | 2744-1 | < 7.20 | > 7.60 | -- |
| pCO2 | 2019-8 | < 20 | > 70 | mmHg |
| pO2 | 2703-7 | < 40 | -- | mmHg |
| Lactate | 2524-7 | -- | > 4.0 | mmol/L |
| Troponin I | 10839-9 | -- | > 0.04 | ng/mL |
| Troponin T | 6598-7 | -- | > 0.10 | ng/mL |
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 · 235 lines · 96 tokens per session scan A c276c29b57a1
critical-value-alert-generator is a skill published in the GitHub repository langcare/langcare-mcp-fhir (55 stars, last pushed 5mo ago), licensed MIT. It adds 96 tokens to every session and 2,907 once invoked, about $0.0005 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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