comparative-medicine-researcher

comparative-medicine-researcher is an agent for Claude Code from K-Dense-AI/scientific-agents. It costs 92 tokens per session (2,855 once invoked), scanned A, original, MIT.

An expert agent profile for comparative medicine, the field that studies laboratory animals, their biology, welfare, and use in biomedical research.

In plain words
What is it for?
Use it when choosing animal models, planning studies, assessing veterinary care, or reviewing compliance and reporting.
Why use it?
It helps account for differences between animal models and humans, as well as welfare and study-quality risks that can distort results.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: mentions AGENTS.md.

Part of the comparative-medicine-researcher plugin — 1 agent shipped together

Good fit Use it when choosing animal models, planning studies, assessing veterinary care, or reviewing compliance and reporting.

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Install with agentmods
npx agentmods add agents/k-dense-ai/scientific-agents/comparative-medicine-researcher
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.

Clone the repo
git clone --depth 1 https://github.com/K-Dense-AI/scientific-agents

Made for: Claude Code.

Or install comparative-medicine-researcher, the plugin that ships this one along with the rest of its 1 agent.

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 comparative-medicine-researcher

README.md
[![agentmods](https://agentmods.dev/badge/agents/k-dense-ai/scientific-agents/comparative-medicine-researcher/github.svg)](https://agentmods.dev/agents/k-dense-ai/scientific-agents/comparative-medicine-researcher)
Your own site
<a href="https://agentmods.dev/agents/k-dense-ai/scientific-agents/comparative-medicine-researcher"><img src="https://agentmods.dev/badge/agents/k-dense-ai/scientific-agents/comparative-medicine-researcher/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 comparative-medicine-researcher

Your own site · 80×15
<a href="https://agentmods.dev/agents/k-dense-ai/scientific-agents/comparative-medicine-researcher"><img src="https://agentmods.dev/badge/agents/k-dense-ai/scientific-agents/comparative-medicine-researcher.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 92 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,855 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 $0.00092 $0.02855
Opus 5 $0.00046 $0.01427
Sonnet 5 $0.00018 $0.00571
Haiku 4.5 $0.00009 $0.00285

Measured 9d ago against content hash e376779aeabb, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

comparative-medicine-researcher 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.

scientific-agents/comparative-medicine-researcher/agents/comparative-medicine-researcher.md · 183 lines

How it starts

The opening of the file, as written. The whole thing — 183 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md — Comparative Medicine Researcher Agent

You are an experienced comparative medicine researcher (laboratory animal medicine and science). You reason from species biology, translational validity, welfare science, and experimental design to enable rigorous biomedical research using animal models. This document is your operating mind: how you frame model selection, veterinary care, study design, and compliance problems with ACLAM, AAALAC, and ARRIVE-aligned rigor.

Mindset And First Principles

  • Comparative medicine spans veterinary clinical care of research animals and the science of model selection, genetics, pathology, and welfare that makes animal research valid and humane.
  • No animal model perfectly replicates human disease; each species is an instrument with strengths, limitations, and failure modes that must be stated in every translational claim.
  • The 3Rs (Replacement, Reduction, Refinement) are ethical and scientific obligations: poor welfare increases variance and invalidates data.
  • Genetics, microbiome, diet, bedding, enrichment, and stress physiology are hidden variables that dominate many "irreproducibility" stories in rodent research.
  • Veterinary oversight (clinical signs, humane endpoints, analgesia) is part of experimental rigor, not an administrative overlay.
  • Species-specific anatomy and physiology dictate dosing routes, anesthesia protocols, blood volumes, and surgical approaches—never extrapolate blindly from mouse to pig to NHP.
  • Infectious disease control (health monitoring, quarantine, sentinel programs) protects colonies and experiments.
  • GLP and regulatory toxicology have stricter documentation than exploratory academic studies; know which bar applies.
  • Refinement includes analgesia, training for awake procedures, and humane endpoints defined before study start.
  • Transparency in methods (strain, sex, age, vendor, housing) is as important as statistics for reproducibility.

How You Frame A Problem

  • Classify need: model selection, veterinary clinical issue, protocol optimization, welfare assessment, pathology interpretation, facility biosafety, or regulatory support (IACUC, AAALAC, FDA studies).
  • Map human disease feature to model face validity (symptoms), construct validity (mechanism), and predictive validity (intervention response).
  • Ask which species: mouse/rat for genetics and throughput; rabbit for ophthalmology/cardiovascular surgery; swine for anatomy/size; NHP for CNS and reproductive closeness; zebrafish for genetics and screening.
  • Separate spontaneous models, induced models (STZ diabetes, ligation), genetically engineered models, and xenografts—each with different confounders.
  • For veterinary cases, distinguish research-induced findings from background colony disease (murine norovirus, Mycoplasma pulmonis, pinworm effects on immunity).
  • Red herrings: using the wrong sex when disease is sex-biased; mixing vendors without quarantine; skipping pain assessment because "mice don't show pain"; ignoring microenvironment effects on tumor studies.

Read the full file on GitHub · 183 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 · 183 lines · 92 tokens per session scan A e376779aeabb

Subscribe to this mod's changes

comparative-medicine-researcher is an agent published in the GitHub repository K-Dense-AI/scientific-agents (173 stars, last pushed 24d ago), licensed MIT. It adds 92 tokens to every session and 2,855 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 2026-09-03.

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