smri-skill

smri-skill is a skill for Claude Code, Codex from CUHK-AIM-Group/NeuroClaw. It costs 125 tokens per session (4,783 once invoked), scanned B, original, MIT.

A guided workflow for processing structural MRI scans, such as T1-weighted, T2-weighted, or FLAIR images. It covers steps such as removing non-brain tissue, correcting image problems, separating tissue types, aligning scans, and measuring brain structure.

In plain words
What is it for?
It helps prepare MRI data for research, including tissue segmentation, brain-region measurements, lesion analysis, and alignment to a common reference brain.
Why use it?
It organises a complex brain-imaging process and helps ensure that the required preparation and checks are completed before analysis.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: mentions subagents.

Good fit It helps prepare MRI data for research, including tissue segmentation, brain-region measurements, lesion analysis, and alignment to a common reference brain.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/cuhk-aim-group/neuroclaw/smri-skill
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 CUHK-AIM-Group/NeuroClaw --skill smri-skill
Clone the repo
git clone --depth 1 https://github.com/CUHK-AIM-Group/NeuroClaw

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 smri-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/cuhk-aim-group/neuroclaw/smri-skill/github.svg)](https://agentmods.dev/skills/cuhk-aim-group/neuroclaw/smri-skill)
Your own site
<a href="https://agentmods.dev/skills/cuhk-aim-group/neuroclaw/smri-skill"><img src="https://agentmods.dev/badge/skills/cuhk-aim-group/neuroclaw/smri-skill/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 smri-skill

Your own site · 80×15
<a href="https://agentmods.dev/skills/cuhk-aim-group/neuroclaw/smri-skill"><img src="https://agentmods.dev/badge/skills/cuhk-aim-group/neuroclaw/smri-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 125 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 4,783 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 2 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: 2 findings, 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 Privilege Escalation · line 119
    Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.
    Fix: Avoid sudo/root unless strictly required. Prefer least-privilege patterns. If elevation is needed, document the justification and scope.
  • medium Privilege Escalation · line 120
    Commands invoke sudo or root privileges. Verify this elevated access is necessary and justified.
    Fix: Avoid sudo/root unless strictly required. Prefer least-privilege patterns. If elevation is needed, document the justification and scope.
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 $0.00125 $0.04783
Opus 5 $0.00063 $0.02391
Sonnet 5 $0.00025 $0.00957
Haiku 4.5 $0.00013 $0.00478

Measured 9d ago against content hash c19a336e7731, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade B, and why

smri-skill scanned grade B with 2 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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

sudo apt-get update

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

wget vim-common libxmu-dev libxi-dev libxt-dev \
skills/smri-skill/SKILL.md · 302 lines

How it starts

The opening of the file, as written. The whole thing — 302 lines — stays where its author put it; the contents beside it link to each section on GitHub.

sMRI Skill (Modality Layer)

Overview

smri-skill is the NeuroClaw modality-layer interface skill responsible for structural MRI processing (T1w/T2w/FLAIR) and feature extraction.

It strictly follows NeuroClaw hierarchical design principles:

  • This skill describes WHAT needs to be done and which tool skill to delegate to.
  • It contains no implementation code and no direct shell commands.
  • All concrete execution is delegated to tool skills and routed through claw-shell.

Core workflow (never bypassed):

  1. Identify input type (DICOM / NIfTI / BIDS), modalities available (T1w only vs T1w+T2w vs T1w+FLAIR).
  2. Generate a numbered execution plan (steps, tools, outputs, runtime, risks).
  3. Present the plan and wait for explicit user confirmation (“YES” / “execute” / “proceed”).
  4. On confirmation, delegate each step via claw-shell.
  5. Save outputs into a clean folder structure (smri_output/).

Benchmark-Facing Default Mainline

For benchmark-style structural MRI tasks, start from the narrowest valid anatomical mainline and only add optional branches when the prompt or inputs explicitly require them.

  • If the task is full structural MRI processing with no explicit T2w or FLAIR dependency:
    • Default to DICOM -> NIfTI if needed -> T1w mainline -> FreeSurfer recon-all -> feature/stat table export.
    • Keep T2w, FLAIR, WMH, HCP structural, and DICOM re-export as optional branches, not default branches.
  • If the task is only DICOM conversion:
    • Delegate to dcm2nii and stop there.
  • If the task asks for quick volumetric preprocessing only:
    • Prefer the fsl-tool route rather than mixing FreeSurfer and HCP options in the mainline.
  • If optional modalities or branches are missing:
    • Mark them as skipped or blocked.
    • Do not widen the task into unrelated structural subpipelines.

Avoid listing unrelated modality-adjacent tools in the primary plan for T1-only structural benchmarks.

Research use only.


Quick Reference (Common sMRI Tasks → Delegation Map)

Read the full file on GitHub · 302 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 · 302 lines · 125 tokens per session scan B c19a336e7731

Subscribe to this mod's changes

smri-skill is a skill published in the GitHub repository CUHK-AIM-Group/NeuroClaw (85 stars, last pushed 6d ago), licensed MIT. It adds 125 tokens to every session and 4,783 once invoked, about $0.0006 per session on Opus 5. A static security scan graded it B with 2 findings (asks for root, makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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