mrtrix3

Draft MRtrix3 diffusion MRI tractography plans with FOD modeling and QC checks.

1|Updated May 16, 2026
One-click install
npx skills add https://github.com/MarvinCui/NeuroForge --skill mrtrix3
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mrtrix3
Source: https://github.com/MarvinCui/NeuroForge/tree/main/NeuroForge/skills/mrtrix3
Command: npx skills add https://github.com/MarvinCui/NeuroForge --skill mrtrix3

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

MRtrix3-specific questions in diffusion MRI can be hard to answer safely without the right context on supported commands, typical inputs/outputs, and quality-control expectations.

Core Features & Use Cases

  • Diffusion tractography planning: Guides what to use MRtrix3 for when addressing diffusion MRI tractography, FOD modeling, streamline filtering, and connectome generation at a documentation-and-routing level.
  • Command-level reference navigation: Points to high-value MRtrix3 docs (e.g., ACT/5TT tooling, connectome and tractography utilities) so an AI can ground suggestions in the right places.
  • Safe workflow outlines and cautions: Helps draft QC checks and expected outputs while explicitly warning against unintended heavy processing or data modification.

Quick Start

Use the mrtrix3 skill to draft a safe tractography plan and QC checklist for your diffusion MRI question, based on your provided data and goals.

Frequently Asked Questions about mrtrix3

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I plan a safe diffusion MRI tractography workflow in MRtrix3?

A safe diffusion tractography workflow requires mapping your FOD modeling, streamline filtering, and connectome generation steps to the correct MRtrix3 command families, while defining expected inputs/outputs and quality-control checks.

What MRtrix3 commands do I need for FOD modeling and connectome generation?

For FOD modeling and connectome generation, MRtrix3 provides dedicated command families for tractography, streamline filtering, and ACT/5TT tooling, which should be selected based on your specific diffusion MRI data inputs and structural segmentation requirements.

How does streamline filtering work in diffusion MRI tractography?

Streamline filtering in diffusion MRI tractography removes false-positive connections by applying anatomical constraints and SIFT/SIFT2 methods, ensuring your connectome generation reflects valid FOD modeling outputs rather than spurious tracts.

Do I need preprocessed diffusion MRI data before running MRtrix3 tractography?

Yes, MRtrix3 tractography requires preprocessed diffusion MRI data to generate accurate FOD models, meaning you must have corrected artifacts and prepared tissue segmentation masks before initiating the tractography and connectome generation pipeline.

What quality-control checks should I apply during MRtrix3 tractography?

Essential quality-control checks for MRtrix3 tractography include verifying FOD modeling outputs, validating streamline filtering against known anatomy, and confirming that connectome generation produces expected node-level connectivity without unintended processing artifacts.

When should I not use automated tractography pipelines for diffusion MRI?

You should avoid automated tractography pipelines when your diffusion MRI data lacks proper preprocessing or anatomical segmentation for ACT/5TT constraints, as this risks generating invalid streamlines and compromising connectome generation accuracy.