nnunet-segmentation

nnunet-segmentation is a skill for Claude Code from jaechang-hits/SciAgent-Skills. It costs 90 tokens per session (7,422 once invoked), scanned A, original, no licence file.

A self-configuring framework for segmenting medical images, meaning separating structures or regions in scans. nnU-Net chooses the model setup, image preparation, and training process for CT, MRI, microscopy, ultrasound, and other 2D or 3D data.

In plain words
What is it for?
Use it to convert data, prepare and train models, test configurations, make predictions, and combine model outputs.
Why use it?
It reduces the manual work needed to adapt a segmentation pipeline to a new imaging dataset.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the sciagent-skills plugin — 206 skills shipped together

Good fit Use it to convert data, prepare and train models, test configurations, make predictions, and combine model outputs.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jaechang-hits/sciagent-skills/nnunet-segmentation
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 jaechang-hits/SciAgent-Skills --skill nnunet-segmentation
Clone the repo
git clone --depth 1 https://github.com/jaechang-hits/SciAgent-Skills

Made for: Claude Code.

Or install sciagent-skills, the plugin that ships this one along with the rest of its 206 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 nnunet-segmentation

README.md
[![agentmods](https://agentmods.dev/badge/skills/jaechang-hits/sciagent-skills/nnunet-segmentation/github.svg)](https://agentmods.dev/skills/jaechang-hits/sciagent-skills/nnunet-segmentation)
Your own site
<a href="https://agentmods.dev/skills/jaechang-hits/sciagent-skills/nnunet-segmentation"><img src="https://agentmods.dev/badge/skills/jaechang-hits/sciagent-skills/nnunet-segmentation/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 nnunet-segmentation

Your own site · 80×15
<a href="https://agentmods.dev/skills/jaechang-hits/sciagent-skills/nnunet-segmentation"><img src="https://agentmods.dev/badge/skills/jaechang-hits/sciagent-skills/nnunet-segmentation.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 90 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,422 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 unknown 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 $0.00090 $0.07422
Opus 5.5 $0.00036 $0.02969
Sonnet 5.5 $0.00018 $0.01484
Haiku 4.5 $0.00009 $0.00742

Measured 1mo ago against content hash a19df8259b75, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

nnunet-segmentation 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 1mo 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.

skills/medical-imaging/nnunet-segmentation/SKILL.md · 640 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

Read it on GitHub

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. 1mo ago First seen · 640 lines · 90 tokens per session scan A a19df8259b75

Subscribe to this mod's changes

nnunet-segmentation is a skill published in the GitHub repository jaechang-hits/SciAgent-Skills (384 stars, last pushed 6d ago), with no licence file. It adds 90 tokens to every session and 7,422 once invoked, about $0.0004 per session on Opus 5.5. 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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