Agent skill

Radiology Annotation

by huang-sir1 in huang-sir1/radiology-skills

Design/audit imaging truth, readers, ROI geometry, reproducibility and label noise; not model training.

Custom licenceAuto-check passedResearch & Science

Install Radiology Annotation

skills CLI
$ npx skills add huang-sir1/radiology-skills --skill radiology-annotation -a claude-code

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

GitHub CLI
$ gh skill install huang-sir1/radiology-skills radiology-annotation --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/huang-sir1/radiology-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/radiology-skills/skills/radiology-annotation .claude/skills/radiology-annotation && 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
radiology-annotation
GitHub stars
1.9k
Token cost
~1.7k tokens
SKILL.md length
685 words
Files
11 (incl. references)
Skills in repo
39
Repo updated
First seen
Licence
Custom licence

At a glance

Design/audit imaging truth, readers, ROI geometry, reproducibility and label noise; not model training.

  • Works in 7 steps: Fix the target construct and reference… → Fix the segmentation target. What is… → Choose the selection strategy… → …
  • Tasks that involve Reproducible research
  • SKILL.md covers Core stance, When to use, When to open extra files and Workflow, plus 3 more sections
  • Runs Python scripts from its folder

What it does

Radiology Annotation is an agent skill from huang-sir1/radiology-skills. Design/audit imaging truth, readers, ROI geometry, reproducibility and label noise; not model training.

Its SKILL.md is about 1.7k tokens, which your agent loads only when the skill is triggered. The skill folder holds 13 other files, including reference files (for example `README.md`, `agents/openai.yaml` and `references/label-ontology-and-reference-standard.md`).

It sits in Research & Science, covering Reproducible research, Fine-tuning and Design review and critique.

When your agent uses it

  • Tasks that involve Reproducible research
  • Tasks that involve Fine-tuning
  • Tasks that involve Design review and critique

Example prompts

  • “/radiology-annotation”

Requirements

  • Python 3

Workflow steps

7 steps, taken from the first numbered list in SKILL.md.

  1. Fix the target construct and reference standard. Define case/lesion/exam ontology,
  2. Fix the segmentation target. What is segmented (whole tumour, core, necrosis, edema, node, organ),
  3. Choose the selection strategy (lesion-selection.md) — dimension, region, peritumoral
  4. Specify the reader protocol (reader-protocol.md) — who, how many, blinded to what,
  5. Plan reproducibility (reproducibility-qc.md) — repeat-annotation subset, ICC/Dice/HD,
  6. Verify geometry (mask-geometry.md) — confirm image↔mask spacing/origin/direction/slice
  7. Write Methods — the annotation paragraph: target, software+version, readers, blinding,

What it can do on your machine

Read from SKILL.md and the folder at commit aaa0fe6. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships script files (Python), which the agent can run.

    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

Radiology Annotation loads about 1.7k tokens when it runs, and up to ~10k if it reads all its reference files. Until then it costs about 31 tokens; SKILL.md has 685 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~31
When it runs · the whole SKILL.md, loaded when a task matches
~1.7k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~10k

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 passed

The automated check found no risky patterns in SKILL.md.

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); files beside SKILL.md are not scanned.

SKILL.md

Its licence (Custom licence) doesn't allow us to republish the file, so here is its outline and opening line. It has 685 words (~1,713 tokens).

“Use this skill to make the annotation behind a radiomics/segmentation/radiogenomics study defensible. Reviewers reject papers when the segmentation is a black box: unknown readers, no reproducibility, masks that don't align with the images, or feature instability never tested. This skill…”

— opening of SKILL.md by huang-sir1, Custom licence
name
radiology-annotation

Read the full SKILL.md on GitHub

Files

SKILL.md and 10 other files (references) in radiology-skills/skills/radiology-annotation of huang-sir1/radiology-skills.

  • SKILL.md
  • README.md
  • agents/openai.yaml
  • references/label-ontology-and-reference-standard.md
  • references/lesion-selection.md
  • references/longitudinal-lesion-and-exam-linkage.md
  • references/mask-geometry.md
  • references/noisy-weak-and-report-derived-labels.md
  • references/reader-protocol.md
  • references/reproducibility-qc.md
  • tests/test_mask_geometry_semantics.py

Open the folder on GitHubat commit aaa0fe6

Compare with similar skills

Radiology Annotation 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.

Radiology Annotation compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Radiology Annotation this skillhuang-sir1/radiology-skills1.9k—~1.7kAutomated safety check: PassCustom licence
High Value Paper Screeneraipoch/medical-research-skills1.9k—~2.3kAutomated safety check: PassMIT
HypoGeniC Hypothesis GenerationK-Dense-AI/scientific-agent-skills48k1 repos~3.6kAutomated safety check: NotesMIT
Paper Figure DesignerHKUSTDial/Supervisor-Skills8.8k—~1.9kAutomated safety check: PassCC-BY-4.0
Verifier Evaluationsmorluto/jacobian220—~661Automated safety check: PassMIT
Ablation Study Plannerwanshuiyin/Auto-claude-code-research-in-sleep17k—~1.3kAutomated safety check: NotesMIT

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  • Radiology Clinical Domain

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  • Radiology Consensus Guideline

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Questions about Radiology Annotation

What does Radiology Annotation do?

Design/audit imaging truth, readers, ROI geometry, reproducibility and label noise; not model training. Radiology Annotation is an agent skill from huang-sir1/radiology-skills. Design/audit imaging truth, readers, ROI geometry, reproducibility and label noise; not model training.

When should I use Radiology Annotation?

Radiology Annotation fits situations like: tasks that involve Reproducible research; tasks that involve Fine-tuning; tasks that involve Design review and critique.

How do I install Radiology Annotation in Claude Code?

Run `npx skills add huang-sir1/radiology-skills --skill radiology-annotation -a claude-code`. Or copy the skill folder (radiology-skills/skills/radiology-annotation in huang-sir1/radiology-skills) into .claude/skills/radiology-annotation in your project. Claude Code loads it when a task matches its description.

How do I install Radiology Annotation in Codex?

Run `npx skills add huang-sir1/radiology-skills --skill radiology-annotation -a codex`. Or copy the skill folder (radiology-skills/skills/radiology-annotation in huang-sir1/radiology-skills) into .agents/skills/radiology-annotation in your project. Codex loads it when a task matches its description.

Can I use Radiology Annotation 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 huang-sir1/radiology-skills --skill radiology-annotation -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/radiology-annotation, .gemini/skills/radiology-annotation, .github/skills/radiology-annotation and .opencode/skills/radiology-annotation in your project.

What does Radiology Annotation need to run?

Going by SKILL.md and its folder, Radiology Annotation needs Python for the scripts in its folder. Our summary lists: Python 3.

Does Radiology Annotation 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 Radiology Annotation safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Radiology Annotation use?

Radiology Annotation has a licence file (the repository's licence) that doesn't match a standard licence. Read it on GitHub before reusing the skill.

How many tokens does Radiology Annotation use?

About 1.7k tokens (SKILL.md is roughly 6.9k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 8.7k tokens, read only when the agent opens those files.

What are the alternatives to Radiology Annotation?

Skills that share tags, products or a category with Radiology Annotation: High Value Paper Screener (aipoch/medical-research-skills, 1.9k stars), HypoGeniC Hypothesis Generation (K-Dense-AI/scientific-agent-skills, 48k stars), Paper Figure Designer (HKUSTDial/Supervisor-Skills, 8.8k stars) and Verifier Evaluations (morluto/jacobian, 220 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Radiology Annotation?

huang-sir1 (a GitHub user) maintains it in huang-sir1/radiology-skills, which has 1,923 GitHub stars. The repository holds 39 skills in this directory. The repository was last updated on September 21, 2026.

Source: huang-sir1/radiology-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.