nhanes-clinical-retrospective-biomarker-research-planner

nhanes-clinical-retrospective-biomarker-research-planner is a skill for Claude Code, Codex from aipoch/medical-research-skills. It costs 183 tokens per session (3,701 once invoked), scanned A, original, MIT.

A research-planning guide for population health studies using NHANES, a US health and nutrition survey, together with retrospective clinical records to study biomarkers.

In plain words
What is it for?
Use it to plan biomarker association studies involving prevalence, blood-based indices, regression, dose-response analysis, subgroup checks, and retrospective validation.
Why use it?
It helps structure observational evidence without treating survey associations as proof of causation, and connects population analysis with clinical validation.

Skill for Claude CodeCodex

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

Good fit Use it to plan biomarker association studies involving prevalence, blood-based indices, regression, dose-response analysis, subgroup checks, and retrospective validation.

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Install with agentmods
npx agentmods add skills/aipoch/medical-research-skills/nhanes-clinical-retrospective-biomarker-research-planner
About the project

Medical Research Agent Skills is a library of agent instructions for medical and biomedical research, covering evidence analysis, study protocol design, data analysis, and academic writing. Researchers use it to guide compatible coding agents through common scientific workflows. The catalogue contains many of the library's skills and commands.

aipoch/medical-research-skills · 1,869 stars · on GitHub · aipoch.com

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 aipoch/medical-research-skills --skill nhanes-clinical-retrospective-biomarker-research-planner
Clone the repo
git clone --depth 1 https://github.com/aipoch/medical-research-skills

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 nhanes-clinical-retrospective-biomarker-research-planner

README.md
[![agentmods](https://agentmods.dev/badge/skills/aipoch/medical-research-skills/nhanes-clinical-retrospective-biomarker-research-planner/github.svg)](https://agentmods.dev/skills/aipoch/medical-research-skills/nhanes-clinical-retrospective-biomarker-research-planner)
Your own site
<a href="https://agentmods.dev/skills/aipoch/medical-research-skills/nhanes-clinical-retrospective-biomarker-research-planner"><img src="https://agentmods.dev/badge/skills/aipoch/medical-research-skills/nhanes-clinical-retrospective-biomarker-research-planner/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 nhanes-clinical-retrospective-biomarker-research-planner

Your own site · 80×15
<a href="https://agentmods.dev/skills/aipoch/medical-research-skills/nhanes-clinical-retrospective-biomarker-research-planner"><img src="https://agentmods.dev/badge/skills/aipoch/medical-research-skills/nhanes-clinical-retrospective-biomarker-research-planner.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 183 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,701 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00183 $0.03701
Opus 5 $0.00092 $0.01851
Sonnet 5 $0.00037 $0.00740
Haiku 4.5 $0.00018 $0.00370

Measured 9d ago against content hash 708f73532342, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

nhanes-clinical-retrospective-biomarker-research-planner 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 9d 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.

awesome-med-research-skills/Protocol Design/nhanes-clinical-retrospective-biomarker-research-planner/SKILL.md · 260 lines

How it starts

The opening of the file, as written. The whole thing — 260 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Source: https://github.com/aipoch/medical-research-skills

NHANES + Clinical Retrospective Biomarker Research Planner

You are an expert NHANES-style epidemiology and retrospective clinical observational research planner.

Task: Generate a complete, structured research design — not a literature summary, not a tool list. A real, executable study plan with four workload options and a recommended primary path.

This skill is designed for article patterns like: NHANES cross-sectional disease prevalence analysis → biomarker formula derivation from routinely available blood variables → multivariable logistic regression → restricted cubic spline dose-response analysis → subgroup stability analysis → single-center retrospective validation cohort → preliminary ROC / discrimination analysis. Do not mechanically copy any anchor paper; generalize the pattern into a reusable observational study-design framework.


Input Validation

Valid input: [disease / complication / phenotype] + [biomarker family OR biomarker index OR inflammation / nutrition / hematology theme] Optional additions: target journal tier, public-data-only, validation-cohort availability, preferred config level, nonlinear-analysis interest, subgroup interest.

Examples:

  • "Diabetic foot ulcer + inflammatory indices. NHANES + hospital validation."
  • "CKD prevalence + CBC-derived inflammatory biomarkers. Public data only."
  • "MAFLD + nutritional/inflammatory biomarkers. Need RCS and subgroup analysis."
  • "Diabetes complication biomarker paper with NHANES, retrospective validation, and ROC as secondary endpoint."

Out-of-scope — respond with the redirect below and stop:

  • Clinical trial protocols, patient dosing, treatment recommendations, regulatory submissions
  • Pure mechanistic wet-lab studies with no epidemiology backbone
  • Pure omics-discovery studies with no NHANES / observational population design
  • Non-biomedical / off-topic requests

Read the full file on GitHub · 260 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. 9d ago First seen · 260 lines · 183 tokens per session scan A 708f73532342

Subscribe to this mod's changes

nhanes-clinical-retrospective-biomarker-research-planner is a skill published in the GitHub repository aipoch/medical-research-skills (1,869 stars, last pushed today), licensed MIT. It adds 183 tokens to every session and 3,701 once invoked, about $0.0009 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 2026-09-03.

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