Official agent skill

Dicom Series To Volume

by NVIDIA in NVIDIA/skills

Used for converting one CT DICOM series folder to a HU NIfTI volume with affine evidence.

OfficialApache-2.0Auto-check: notesResearch & Science

Install Dicom Series To Volume

skills CLI
$ npx skills add NVIDIA/skills --skill dicom-series-to-volume -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install NVIDIA/skills dicom-series-to-volume --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/NVIDIA/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/dicom-series-to-volume .claude/skills/dicom-series-to-volume && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
dicom-series-to-volume
GitHub stars
3.6k
Token cost
~926 tokens
SKILL.md length
377 words
Files
10 (incl. scripts)
Skills in repo
390
Repo updated
First seen
Licence
Apache-2.0

At a glance

Used for converting one CT DICOM series folder to a HU NIfTI volume with affine evidence.

  • Tasks that involve Clinical and healthcare research
  • SKILL.md covers Purpose, Instructions, Available Scripts and Prerequisites, plus 2 more sections
  • Runs Python scripts from its folder; calls python

What it does

Dicom Series To Volume is an agent skill from NVIDIA/skills, published by the product's own GitHub organization. Used for converting one CT DICOM series folder to a HU NIfTI volume with affine evidence. Not for multi-frame DICOM or clinical use.

Its SKILL.md is about 930 tokens, which your agent loads only when the skill is triggered. The skill folder holds 14 other files, including scripts (for example `BENCHMARK.md`, `evals/evals.json` and `fixtures/generate_fixtures.py`).

It sits in Research & Science, covering Clinical and healthcare research. The repository describes itself as: Agent Skills for NVIDIA products — install into Claude Code, Codex, and other coding agents to run Physical AI, robotics, simulation, CUDA, and RAG workflows end to end. The licence is Apache-2.0.

When your agent uses it

  • Tasks that involve Clinical and healthcare research

Example prompts

  • “/dicom-series-to-volume”

Requirements

  • Python 3
  • Pre-approved tools (allowed-tools): Bash

What it can do on your machine

Read from SKILL.md and the folder at commit 14a98ae. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Bash

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • python

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Dicom Series To Volume loads about 926 tokens when it runs. Until then it costs about 39 tokens; SKILL.md has 377 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~39
When it runs · the whole SKILL.md, loaded when a task matches
~926

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Bash

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

The full file from NVIDIA/skills at commit 14a98ae, republished under its Apache-2.0 licence (© NVIDIA). 377 words, ~926 tokens.

Download SKILL.mdSave it as .claude/skills/dicom-series-to-volume/SKILL.md (or your agent's skills folder). This skill also uses 9 other files; get the full folder from GitHub.
name
dicom-series-to-volume
description
Used for converting one CT DICOM series folder to a HU NIfTI volume with affine evidence. Not for multi-frame DICOM or clinical use.
allowed-tools
Bash
license
Apache-2.0
metadata.author
NVIDIA MedTech Team
metadata.tags
MedTech, DICOM, NIfTI

dicom_series_to_volume

Purpose

  • Used for converting one CT DICOM series folder to a HU NIfTI volume with affine evidence. Not for multi-frame DICOM or clinical use.
  • Use the wrapper exactly as documented; do not replace the upstream entrypoint with a handwritten implementation.
  • Manifest I/O: inputs are dicom_dir; outputs are nifti_volume and result_json.

Instructions

  • Read skill_manifest.yaml before changing arguments, side effects, or validation gates.
  • Run scripts/series_to_volume.py through the documented command below; keep outputs under a caller-provided run directory.
  • If a host agent exposes run_script, use run_script("scripts/series_to_volume.py", args=[...]); otherwise run the Bash/Python command shown below.
  • Check the emitted JSON and the paired dicom_volume_quality_v1 verifier before treating the run as evidence.

Available Scripts

ScriptPurposeArguments
scripts/series_to_volume.pyPrimary entrypoint declared by skill_manifest.yaml.PATH_TO_DICOM_DIR [--output OUT.nii.gz]

Prerequisites

  • Runtime requirements: Python packages listed in runtime.side_effects.pip_packages.
  • NiBabel 5.4 or newer is required so extreme-oblique axes remain labeled consistently across reorientation.
  • Run commands from the repository root unless an existing section below says otherwise.

Limitations

  • Single-series only; multi-series input is rejected at preflight.
  • Multi-frame DICOM (NumberOfFrames > 1 per file) not supported.
  • Compressed transfer syntaxes (JPEG / JPEG2000 / RLE) not supported.
  • No voxel reorientation. The affine is derived from DICOM headers and represented in NIfTI/RAS coordinates; a downstream gate (e.g. expected_axcodes) is expected to assert orientation before this volume is fed to a segmentation model.
  • Not for clinical deployment, autonomous diagnosis, regulatory submission, production inference (use a vetted converter such as dcm2niix for that).
Show full SKILL.md (143 more words)Show less

Troubleshooting

ErrorCauseFix
Missing dependency or import errorRuntime package drift from skill_manifest.yaml.Install the packages declared in the manifest or use the documented setup command.
Empty or schema-invalid outputWrong input path, unsupported modality, or upstream failure.Re-run with a known fixture and inspect the wrapper JSON plus stderr.
Validation gate failureOutput violated a declared engineering invariant.Keep the failed evidence pack and use the gate message to repair inputs or wrapper code.

Reads one DICOM series, sorts slices by ImagePositionPatient, applies RescaleSlope and RescaleIntercept, builds an affine from orientation and spacing tags, and writes a .nii.gz plus JSON summary.

bash
python scripts/series_to_volume.py PATH_TO_DICOM_DIR --output PATH_TO_OUT.nii.gz

For a trusted run with the paired verifier:

bash
python -m eval_engine.run_trusted skills/dicom-series-to-volume \
  --fixture PATH_TO_DICOM_DIR \
  --out runs/dicom_series_to_volume_trusted

Key output fields: n_slices, series_instance_uid, output.path, output.shape, output.spacing, output.axcodes, output.affine, hu_range, and runtime.conversion_seconds.

Scope limits: single-series CT only; no multi-frame DICOM, compressed transfer syntax handling, RT structure sets, auto-reorientation, or clinical use.

© NVIDIA, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 9 other files (scripts) in skills/dicom-series-to-volume of NVIDIA/skills.

  • SKILL.md
  • BENCHMARK.md
  • evals/evals.json
  • fixtures/generate_fixtures.py
  • scripts/series_to_volume.py
  • skill-card.md
  • skill.oms.sig
  • skill_manifest.yaml
  • tests/test_orientation_regression.py
  • validators/output_schema.json

Open the folder on GitHubat commit 14a98ae

Compare with similar skills

Dicom Series To Volume next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Dicom Series To Volume compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Dicom Series To Volume this skillNVIDIA/skills3.6k—~926Automated safety check: NotesApache-2.0
Clinical Trials Databasegoogle-deepmind/science-skills3.2k2 repos~3.2kAutomated safety check: PassApache-2.0
CHARLS Paper Reproduction Guidexjtulyc/MedgeClaw6171 repos~1.8kAutomated safety check: PassNone
Biomedical Analysis Dispatchxjtulyc/MedgeClaw6171 repos~2kAutomated safety check: PassNone
Research Paperluwill/research-skills862—~1.9kAutomated safety check: PassNone
Research Proposalluwill/research-skills862—~4.5kAutomated safety check: NotesNone

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Questions about Dicom Series To Volume

What does Dicom Series To Volume do?

Used for converting one CT DICOM series folder to a HU NIfTI volume with affine evidence. Dicom Series To Volume is an agent skill from NVIDIA/skills, published by the product's own GitHub organization. Used for converting one CT DICOM series folder to a HU NIfTI volume with affine evidence.

When should I use Dicom Series To Volume?

Dicom Series To Volume fits situations like: tasks that involve Clinical and healthcare research.

How do I install Dicom Series To Volume in Claude Code?

Run `npx skills add NVIDIA/skills --skill dicom-series-to-volume -a claude-code`. Or copy the skill folder (skills/dicom-series-to-volume in NVIDIA/skills) into .claude/skills/dicom-series-to-volume in your project. Claude Code loads it when a task matches its description.

How do I install Dicom Series To Volume in Codex?

Run `npx skills add NVIDIA/skills --skill dicom-series-to-volume -a codex`. Or copy the skill folder (skills/dicom-series-to-volume in NVIDIA/skills) into .agents/skills/dicom-series-to-volume in your project. Codex loads it when a task matches its description.

Can I use Dicom Series To Volume in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add NVIDIA/skills --skill dicom-series-to-volume -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/dicom-series-to-volume, .gemini/skills/dicom-series-to-volume, .github/skills/dicom-series-to-volume and .opencode/skills/dicom-series-to-volume in your project.

What does Dicom Series To Volume need to run?

Going by SKILL.md and its folder, Dicom Series To Volume needs Python for the scripts in its folder and the command-line tools its instructions call (python). Our summary lists: Python 3. Its frontmatter pre-approves these tools: Bash.

Does Dicom Series To Volume access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Dicom Series To Volume safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Dicom Series To Volume use?

Dicom Series To Volume is published under the Apache-2.0 licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Dicom Series To Volume use?

About 926 tokens (SKILL.md is roughly 3.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Dicom Series To Volume?

Skills that share tags, products or a category with Dicom Series To Volume: Clinical Trials Database (google-deepmind/science-skills, 3.2k stars), CHARLS Paper Reproduction Guide (xjtulyc/MedgeClaw, 617 stars), Biomedical Analysis Dispatch (xjtulyc/MedgeClaw, 617 stars) and Research Paper (luwill/research-skills, 862 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Dicom Series To Volume?

NVIDIA (a GitHub organization, an official publisher) maintains it in NVIDIA/skills, which has 3,555 GitHub stars. The repository holds 390 skills in this directory. The repository was last updated on October 9, 2026.

Source: NVIDIA/skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.