langcare-medication-adherence

langcare-medication-adherence is a skill for Claude Code, Codex from langcare/langcare-mcp-fhir. It costs 66 tokens per session (677 once invoked), scanned A, original, MIT.

A clinical analysis skill that checks whether a patient is receiving prescribed medicines regularly by examining prescription fill records. It calculates proportion of days covered (the percentage of days a medicine was available) and finds refill gaps.

In plain words
What is it for?
Use it to review prescriptions and dispensing records, calculate adherence for each medicine, identify gaps, and assess possible effects on treatment outcomes.
Why use it?
It turns medication refill history into an adherence report and helps connect missed supplies with clinical results such as blood pressure or A1c.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to review prescriptions and dispensing records, calculate adherence for each medicine, identify gaps, and assess possible effects on treatment outcomes.

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Install with agentmods
npx agentmods add skills/langcare/langcare-mcp-fhir/medication-adherence
Install

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.

Any agent
npx skills add langcare/langcare-mcp-fhir --skill medication-adherence
Clone the repo
git clone --depth 1 https://github.com/langcare/langcare-mcp-fhir

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for langcare-medication-adherence

README.md
[![agentmods](https://agentmods.dev/badge/skills/langcare/langcare-mcp-fhir/medication-adherence/github.svg)](https://agentmods.dev/skills/langcare/langcare-mcp-fhir/medication-adherence)
Your own site
<a href="https://agentmods.dev/skills/langcare/langcare-mcp-fhir/medication-adherence"><img src="https://agentmods.dev/badge/skills/langcare/langcare-mcp-fhir/medication-adherence/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.

agentmods 80×15 button for langcare-medication-adherence

Your own site · 80×15
<a href="https://agentmods.dev/skills/langcare/langcare-mcp-fhir/medication-adherence"><img src="https://agentmods.dev/badge/skills/langcare/langcare-mcp-fhir/medication-adherence.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 66 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 677 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00066 $0.00677
Opus 5 $0.00033 $0.00338
Sonnet 5 $0.00013 $0.00135
Haiku 4.5 $0.00007 $0.00068

Measured 13d ago against content hash f02b175951a6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

langcare-medication-adherence 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 13d 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.

cma/skills/medication-management/medication-adherence/SKILL.md · 58 lines

How it starts

The opening of the file, as written. The whole thing — 58 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Medication Adherence Assessment

When to Use This Skill

Use when a clinician needs to evaluate whether a patient is taking medications as prescribed by analyzing fill history, calculating adherence metrics, and identifying therapy gaps.

Clinical Workflow

  1. Use fhir_search to pull active MedicationRequest resources for the patient's prescribed medication regimen
  2. Use fhir_search to pull MedicationDispense resources for fill history with dates and quantities
  3. Calculate Proportion of Days Covered (PDC) for each medication: PDC = (days supply dispensed / days in period) x 100
  4. Identify refill gaps: periods where days supply ran out before next fill
  5. Cross-reference adherence findings with clinical outcomes (e.g., uncontrolled A1c with poor metformin PDC, elevated BP with antihypertensive gaps)
  6. Present adherence report with per-medication PDC, gap analysis, and clinical impact assessment

FHIR Resources

  • MedicationRequest -- Active prescriptions defining the intended regimen
  • MedicationDispense -- Fill history: medicationCodeableConcept, quantity, daysSupply, whenHandedOver, status
  • Observation -- Clinical outcomes (A1c, BP, LDL) correlated with adherence

FHIR Query Examples

Pull Fill History

fhir_search(resourceType="MedicationDispense", queryParams="patient=[patient-id]&_sort=-whenhandedover&_count=200")

Pull Active Prescriptions

fhir_search(resourceType="MedicationRequest", queryParams="patient=[patient-id]&status=active&_count=100")

Clinical Guidelines

  • CMS Star Ratings use PDC >= 80% as the adherence threshold for diabetes, hypertension, and cholesterol medications
  • WHO defines five dimensions of adherence: social/economic, health system, condition-related, therapy-related, patient-related
  • NCQA HEDIS medication adherence measures: ADM (antidepressants), SPC (statins), PBD (beta-blockers post-discharge)

Interpretation Guide

  • PDC >= 80%: adherent. PDC 50-79%: partially adherent. PDC < 50%: non-adherent
  • Calculate PDC over the most recent 12 months or since therapy start, whichever is shorter
  • Flag early refills (>7 days early) which may indicate stockpiling or diversion
  • Flag medications with no fills despite active prescription (never-filled prescriptions)
  • Correlate adherence gaps with clinical events: ED visits, hospitalizations, worsening lab values

Read the full file on GitHub · 58 lines

Changes

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.

  1. 13d ago First seen · 58 lines · 66 tokens per session scan A f02b175951a6

Subscribe to this mod's changes

langcare-medication-adherence is a skill published in the GitHub repository langcare/langcare-mcp-fhir (55 stars, last pushed 5mo ago), licensed MIT. It adds 66 tokens to every session and 677 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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