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Agent skill

Jupytext

by ninehills in ninehills/skills

Jupyter Notebook 创建与格式转换技能。当用户提到以下任何请求时必须使用：新建/创建 notebook、Jupyter notebook、.ipynb、jupytext、py:percent、 %% cell 格式、notebook 版本控制、paired notebook、notebook 转 Python、Python 转 notebook、用纯文本写…

No licenceAuto-check passedData & Analytics

Install Jupytext

skills CLI
$ npx skills add ninehills/skills --skill jupytext -a claude-code

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

GitHub CLI
$ gh skill install ninehills/skills jupytext --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/ninehills/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/jupytext .claude/skills/jupytext && 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
jupytext
GitHub stars
280
Token cost
~1.1k tokens
SKILL.md length
276 words
Files
2 (incl. references)
Skills in repo
38
Repo updated
First seen
Licence
None found

At a glance

Jupyter Notebook 创建与格式转换技能。当用户提到以下任何请求时必须使用：新建/创建 notebook、Jupyter notebook、.ipynb、jupytext、py:percent、 %% cell 格式、notebook 版本控制、paired notebook、notebook 转 Python、Python 转 notebook、用纯文本写…

  • Works in 3 steps: Git diff 友好，方便 code review → 编辑器支持好（VS Code、PyCharm、Spyder 原生识别 # %%） → 无需额外工具即可阅读和编辑
  • Tasks that involve Jupyter notebooks
  • SKILL.md covers 什么时候用这个技能, 核心流程, YAML Front Matter 详解 and 配置文件, plus 4 more sections
  • Calls pip

What it does

Jupytext is an agent skill from ninehills/skills. Jupyter Notebook 创建与格式转换技能。当用户提到以下任何请求时必须使用：新建/创建 notebook、Jupyter notebook、.ipynb、jupytext、py:percent、 %% cell 格式、notebook 版本控制、paired notebook、notebook 转 Python、Python 转 notebook、用纯文本写 notebook。即使用户只说「新建一个 notebook」也应触发此技能——先询问用户选用 .py percent format 还是传统 .ipynb，再按选定格式生成。不用于调试已有 notebook 或写普通 Python 脚本。

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/nbformat-guide.md`).

It sits in Data & Analytics, covering Jupyter notebooks. It works with Jupyter and Python.

When your agent uses it

  • Tasks that involve Jupyter notebooks

Example prompts

  • “/jupytext”

Requirements

  • Python 3

Workflow steps

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

  1. Git diff 友好，方便 code review
  2. 编辑器支持好（VS Code、PyCharm、Spyder 原生识别 # %%）
  3. 无需额外工具即可阅读和编辑

What it can do on your machine

Read from SKILL.md and the folder at commit f3e82a7. 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

    Shell commands in SKILL.md call:

    • pip

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

  • Network

    Links to these hosts (documentation or services it may open):

    • github.com

    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

Jupytext loads about 1.1k tokens when it runs, and up to ~1.4k if it reads all its reference files. Until then it costs about 79 tokens; SKILL.md has 276 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~79
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.4k

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

Without a licence we can't republish the file, so here is its outline and opening line. It has 276 words (~1,072 tokens).

“本技能帮助用户用纯 Python 脚本编写 Jupyter Notebook，借助 Jupytext 实现 .py ↔ .ipynb 双向转换。”

— opening of SKILL.md by ninehills
name
jupytext

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (references) in jupytext of ninehills/skills.

  • SKILL.md
  • references/nbformat-guide.md

Open the folder on GitHubat commit f3e82a7

Compare with similar skills

Jupytext 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.

Jupytext compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Jupytext this skillninehills/skills280—~1.1kAutomated safety check: PassNone
Save Research Notebooknapjon/krisk117—~702Automated safety check: PassBSD-3-Clause
Export ML Notebookprobabl-ai/skills138—~1.7kAutomated safety check: PassBSD-3-Clause
Jupyter Live KernelRedWoodOG/Hermes-Desktop1775 repos~1.4kAutomated safety check: PassMIT
Jupyter Live Kerneltaracodlabs/aiden852—~949Automated safety check: PassApache-2.0
Bio Reporting Quarto ReportsGPTomics/bioSkills1.2k1 repos~2.4kAutomated safety check: PassMIT

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Works with

Categories

Questions about Jupytext

What does Jupytext do?

Jupyter Notebook 创建与格式转换技能。当用户提到以下任何请求时必须使用：新建/创建 notebook、Jupyter notebook、.ipynb、jupytext、py:percent、 %% cell 格式、notebook 版本控制、paired notebook、notebook 转 Python、Python 转 notebook、用纯文本写…. Jupytext is an agent skill from ninehills/skills.

When should I use Jupytext?

Jupytext fits situations like: tasks that involve Jupyter notebooks.

How do I install Jupytext in Claude Code?

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

How do I install Jupytext in Codex?

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

Can I use Jupytext 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 ninehills/skills --skill jupytext -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/jupytext, .gemini/skills/jupytext, .github/skills/jupytext and .opencode/skills/jupytext in your project.

What does Jupytext need to run?

Going by SKILL.md and its folder, Jupytext needs the command-line tools its instructions call (pip). Our summary lists: Python 3.

Does Jupytext access the network?

SKILL.md names 1 domain. As links in the text: github.com. This is read from the text; nothing was executed.

Is Jupytext 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 Jupytext use?

No licence was found for Jupytext or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Jupytext use?

About 1.1k tokens (SKILL.md is roughly 4.3k 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 332 tokens, read only when the agent opens those files.

What are the alternatives to Jupytext?

Skills that share tags, products or a category with Jupytext: Save Research Notebook (napjon/krisk, 117 stars), Export ML Notebook (probabl-ai/skills, 138 stars), Jupyter Live Kernel (RedWoodOG/Hermes-Desktop, 177 stars) and Jupyter Live Kernel (taracodlabs/aiden, 852 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Jupytext?

ninehills (a GitHub user) maintains it in ninehills/skills, which has 280 GitHub stars. The repository holds 38 skills in this directory. The repository was last updated on June 22, 2026.

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