asl-skill skillA
asl-skill is agent-read markdown (skill) from cuhk-aim-group/neurodiscovery: Use this skill whenever the user wants to process Arterial Spin Labeling (ASL) perfusion MRI data including CBF (cerebral blood flow) quantification, ASL preprocessing (motion correction, partial volume correction, M0 normalization), or ASL-based brain perfusion analysis. Triggers include: 'ASL', 'ASL processing', 'CBF', 'cerebral blood flow', 'perfusion MRI', 'arterial spin labeling', 'pCASL', 'CASL', 'PASL', or any request involving ASL perfusion data..
Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.
What the file says
# ASL Skill (Modality Layer)
## Overview
`asl-skill` is the NeuroClaw **modality-layer** interface skill responsible for all Arterial Spin Labeling (ASL) perfusion MRI data processing tasks.
It strictly follows the NeuroClaw hierarchical design principles:
- This skill **only describes WHAT needs to be done** and **which tool skill to delegate to**.
- It contains **no implementation code or concrete commands**.
- All concrete execution is delegated to existing base/tool skills: `fsl-tool`, `nibabel-skill`, and `claw-shell`.
- Companion scripts in `scripts/` provide reference implementations for CBF quantification.
**Core workflow (never bypassed):**
1. Identify input ASL data and labeling strategy (pCASL, CASL, or PASL).
2. Ensure T1w structural data is available (via `smri-skill` if not yet processed).
3. Generate a **numbered execution plan** clearly stating WHAT needs to be done and which tool skill will handle each step.
4. Present the full plan, estimated runtime, resource requirements, and risks to the user and wait for explicit confirmation ("YES" / "execute" / "proceed").
5. On confirmation, delegate every step to the appropriate skill via `claw-shell`.
…Read the whole file at its exact version.
How to install
mdr add cuhk-aim-group/neurodiscovery/asl-skill@git:20260506.f8d0216mdr add cuhk-aim-group/neurodiscovery/asl-skill@sha256:d1ec8bd111fc14edPin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.
[](https://markdownregistry.com/a/art_g4akg6t5cvstu2qf)
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Versions
Audit of the latest version
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- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (7511 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
cuhk-aim-group/neurodiscovery · 91 stars · license MIT · pushed 2026-09-22 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_g4akg6t5cvstu2qf GET https://markdownregistry.com/api/v1/resolve?ref=cuhk-aim-group/neurodiscovery/asl-skill GET https://markdownregistry.com/api/v1/blob/d1ec8bd111fc14edbe0dd680633ad07c08ba5495623666386f957b885e414079
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