version-dataset

version-dataset is a skill for Claude Code from Aperivue/medsci-skills. It costs 86 tokens per session (1,477 once invoked), scanned A, original, MIT.

A dataset version-control workflow for research. It creates a fingerprint using file hashes and, for tables, their schema and column values, then checks later copies for changes.

In plain words
What is it for?
Use it to lock a reproducible dataset version, verify that later data are unchanged, and compare two dataset manifests.
Why use it?
Research results can no longer be trusted if the input data changes silently. The recorded fingerprint makes changed files, rows, columns, or values visible.

Skill for Claude Code

Written for Claude Code: ${CLAUDE_SKILL_DIR} variable. Also seen: model in frontmatter.

Part of the medsci-data plugin — 8 skills shipped together

Good fit Use it to lock a reproducible dataset version, verify that later data are unchanged, and compare two dataset manifests.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/aperivue/medsci-skills/version-dataset
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 Aperivue/medsci-skills --skill version-dataset
Clone the repo
git clone --depth 1 https://github.com/Aperivue/medsci-skills

Made for: Claude Code.

Or install medsci-data, the plugin that ships this one along with the rest of its 8 skills.

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 version-dataset

README.md
[![agentmods](https://agentmods.dev/badge/skills/aperivue/medsci-skills/version-dataset.svg)](https://agentmods.dev/skills/aperivue/medsci-skills/version-dataset)
Your own site
<a href="https://agentmods.dev/skills/aperivue/medsci-skills/version-dataset"><img src="https://agentmods.dev/badge/skills/aperivue/medsci-skills/version-dataset.svg" alt="Measured on agentmods" height="20"></a>
Per session 86 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,477 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 $0.00086 $0.01477
Opus 5 $0.00043 $0.00739
Sonnet 5 $0.00017 $0.00295
Haiku 4.5 $0.00009 $0.00148

Measured 8d ago against content hash d6d1a0a67acc, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

version-dataset 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 8d ago.

The scan reads SKILL.md. This mod also ships 2 executable files (scripts/version_dataset.py, tests/test_version_dataset.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

skills/version-dataset/SKILL.md · 144 lines

How it starts

The opening of the file, as written. The whole thing — 144 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Version Dataset Skill

You help a medical researcher put a dataset under version control: fingerprint it, detect when it changes, and lock a reproducible version. This guards the data-integrity rule — an analysis must run on the data it claims to, with a fixed seed — by making any drift between runs loud instead of silent.

Communication Rules

  • Communicate with the user in their preferred language.
  • Manifest fields, drift reports, and provenance notes are in English.

Philosophy

A dataset is an input to a result; if it changes silently, every downstream number is suspect. This skill records a deterministic fingerprint (file SHA-256 +, for tabular files, schema and per-column value hashes) so a later run can prove the inputs are unchanged. It does not alter data, and it records nothing non-deterministic (no timestamps unless explicitly passed), so the same data always yields the same manifest.

Reference Files

  • Manifest schema + workflow: ${CLAUDE_SKILL_DIR}/references/manifest_schema.md — the manifest.json structure, what each drift category means, and the non- deterministic-artifact policy (PPTX/DOCX timestamps). Read before interpreting drift.

Deterministic Script

# Build a manifest (record the analysis seed + provenance)
python "${CLAUDE_SKILL_DIR}/scripts/version_dataset.py" manifest data.csv \
  --out manifest.json --seed 42 --provenance "KNHANES 2018 extract v1"

# Verify a later copy against it (CI / pre-analysis gate)
python "${CLAUDE_SKILL_DIR}/scripts/version_dataset.py" verify --manifest manifest.json --strict

# Compare two manifests (what changed between versions)
python "${CLAUDE_SKILL_DIR}/scripts/version_dataset.py" diff --old v1.json --new v2.json

File hashing is stdlib-only; tabular schema/column hashing uses pandas when present. --ignore-cols excludes volatile columns; --base makes manifest keys relative.

Workflow

Step 1: Lock the version (gate)

Build the manifest at the moment the dataset is frozen for analysis. Gate: confirm with the user the seed and provenance note are correct before locking — the manifest is the record they will cite as "this is the data the results came from."

Read the full file on GitHub · 144 lines

Files

What ships with it

4 files 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. 8d ago First seen · 144 lines · 86 tokens per session scan A d6d1a0a67acc

Subscribe to this mod's changes

version-dataset is a skill published in the GitHub repository Aperivue/medsci-skills (287 stars, last pushed today), licensed MIT. It adds 86 tokens to every session and 1,477 once invoked, about $0.0004 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.

Related

Other skills, from other repositories

torch-geometric

PyTorch Geometric (PyG) for graph neural networks — node/link/graph classification, message passing (GCN, GAT, GraphSAGE, GIN), heterogeneous graphs, neighbor sampling, and custom datasets. Use when working with torchgeometric, not for general NetworkX analytics or non-graph PyTorch models.

K-Dense-AI/scientific-agent-skills · 71 tokens

bids

Use this skill when working with Brain Imaging Data Structure (BIDS) datasets: organizing neuroscience and biomedical data (MRI, EEG, MEG, iEEG, PET, microscopy, NIRS, motion capture, EMG, MR spectroscopy, behavioral), querying BIDS layouts, validating compliance, converting DICOM to BIDS, writing metadata sidecars…

K-Dense-AI/scientific-agent-skills · 80 tokens

bulk-rnaseq

End-to-end bulk RNA-seq orchestrator — takes raw FASTQ reads through QC and trimming (FastQC, fastp/Trim Galore), alignment and quantification (STAR, Salmon, featureCounts), assembles a gene-level counts matrix, then hands off to differential expression (pydeseq2), pathway/GSEA enrichment (pathway-enrichment), and…

K-Dense-AI/scientific-agent-skills · 218 tokens

geniml

Use Geniml for audited local genomic-interval workflows: validate BED and universe contracts, plan Region2Vec or scEmbed runs, inspect model/tokenizer compatibility, and assess consensus universes.

K-Dense-AI/scientific-agent-skills · 43 tokens

waypoint-bio

Use when working with Outpost Bio's open microbiome foundation models - the Waypoint checkpoints (Waypoint-6m, Waypoint-45m, Waypoint-170m), the Atlas pretraining corpus, the Compass eight-task benchmark, or the waypoint CLI from the waypoint-bio package. Covers embedding microbiome samples, fine-tuning on taxonomic…

K-Dense-AI/scientific-agent-skills · 130 tokens

aeon

This skill should be used for time series machine learning tasks including classification, regression, clustering, forecasting, anomaly detection, segmentation, and similarity search. Use when working with temporal data, sequential patterns, or time-indexed observations requiring specialized algorithms beyond standard…

K-Dense-AI/scientific-agent-skills · 74 tokens