cross-species-regulatory-conservation

cross-species-regulatory-conservation is a skill for Claude Code, Codex from GGbond-bo/MemOmics-Agent. It costs 142 tokens per session (2,843 once invoked), scanned A, original, MIT.

A framework for checking whether gene regulation is conserved between species, not just whether gene expression levels match. It combines sequence, chromatin accessibility, transcription-factor binding, and regulatory-network evidence.

In plain words
What is it for?
Use it to compare regulatory programs across species and assess whether a gene or drug target has conserved control mechanisms.
Why use it?
Similar RNA levels do not necessarily mean that the same regulatory mechanisms are active. This helps reveal when a model organism may not match human gene regulation closely enough for a research question.

Skill for Claude CodeCodex

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

Good fit Use it to compare regulatory programs across species and assess whether a gene or drug target has conserved control mechanisms.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/ggbond-bo/memomics-agent/cross-species-regulatory-conservation
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 GGbond-bo/MemOmics-Agent --skill cross-species-regulatory-conservation
Clone the repo
git clone --depth 1 https://github.com/GGbond-bo/MemOmics-Agent

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 cross-species-regulatory-conservation

README.md
[![agentmods](https://agentmods.dev/badge/skills/ggbond-bo/memomics-agent/cross-species-regulatory-conservation/github.svg)](https://agentmods.dev/skills/ggbond-bo/memomics-agent/cross-species-regulatory-conservation)
Your own site
<a href="https://agentmods.dev/skills/ggbond-bo/memomics-agent/cross-species-regulatory-conservation"><img src="https://agentmods.dev/badge/skills/ggbond-bo/memomics-agent/cross-species-regulatory-conservation/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 cross-species-regulatory-conservation

Your own site · 80×15
<a href="https://agentmods.dev/skills/ggbond-bo/memomics-agent/cross-species-regulatory-conservation"><img src="https://agentmods.dev/badge/skills/ggbond-bo/memomics-agent/cross-species-regulatory-conservation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 142 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,843 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 warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium analysis-evasion · line 1
    Suspicious Unicode normalization or mixed-script content
    Fix: Review the flagged content for security risks. Ensure no credentials, secrets, or sensitive data are exposed.
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 $0.00142 $0.02843
Opus 5 $0.00071 $0.01422
Sonnet 5 $0.00028 $0.00569
Haiku 4.5 $0.00014 $0.00284

Measured 9d ago against content hash 9040723a9f14, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

cross-species-regulatory-conservation 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.

hermes_home/skills/bioinformatics/cross-species-regulatory-conservation/SKILL.md · 248 lines

How it starts

The opening of the file, as written. The whole thing — 248 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Cross-Species Regulatory Element Conservation Assessment (CRCA)

Overview

This skill covers the five-layer CRCA framework for evaluating whether a gene's regulatory program is conserved between species — going beyond expression-level comparison to answer: "is the monkey model's gene regulation sufficiently similar to human for drug target validation?"

Core insight: Expression conservation ≠ regulatory conservation. The POU5F1 case from CroCoNet (2025 preprint) proves this — identical mRNA levels but maximally divergent TF driver networks. This framework is the first to systematically detect such "B-class genes."


Five-Layer Framework

R1: Sequence Conservation Layer (no ATAC needed)

Input: Genome sequences (GRCh38 + rheMac10) + JASPAR motifs
Methods:
  - Promoter extraction (TSS ±2kb) for 1:1 orthologs
  - liftOver coordinate mapping
  - phastCons/phyloP conservation scoring
  - TF motif scanning (JASPAR): presence/absence, position, copy number
Output: S_seq — per-gene sequence conservation score

R2: CRE Chromatin Accessibility Layer (ATAC-driven)

Input: Cross-species ATAC-seq (monkey + human hippocampus)
Methods:
  - Peak calling (MACS2 via Signac/ArchR)
  - liftOver peak coordinates (rheMac10 → hg38)
  - R2a: Peak overlap rate (Jaccard index, bp-level)
  - R2b: Signal intensity correlation (Spearman ρ per peak)
  - R2c: Cell-type specificity conservation (same CRE open in same cell type?)
  - R2d: Aging dynamics — species×age interaction on CRE accessibility change
Output: S_cre — per-gene CRE accessibility conservation score

ArchR advantage over Signac: co-accessibility analysis
(can detect enhancer-promoter linkage conservation — Signac cannot).

R3: TF Binding Dynamics Layer (ATAC-driven)

Input: Cross-species ATAC-seq
Methods:
  - TF footprinting (TOBIAS/HINT-ATAC or Signac Footprint)
  - Motif enrichment in age-varying CREs
  - Cross-species comparison of footprint depth/specificity
Output: S_tf — TF binding conservation score

Read the full file on GitHub · 248 lines

Files

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.

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 · 248 lines · 142 tokens per session scan A 9040723a9f14

Subscribe to this mod's changes

cross-species-regulatory-conservation is a skill published in the GitHub repository GGbond-bo/MemOmics-Agent (19 stars, last pushed 2d ago), licensed MIT. It adds 142 tokens to every session and 2,843 once invoked, about $0.0007 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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