jupyter-notebook

jupyter-notebook is a skill for Claude Code, Codex from tercumantanumut/selene. It costs 57 tokens per session (931 once invoked), scanned A, a copy of jupyter-notebook, MIT.

A guide for creating and editing Jupyter notebooks, which are documents that combine code, results, and explanatory text. It covers experiments, data exploration, and tutorials.

In plain words
What is it for?
Use it to start a notebook, turn notes or scripts into a structured notebook, or improve an existing notebook for experiments and teaching.
Why use it?
It helps keep notebooks organised, reproducible, and easier to read or run again. Templates and a helper script also reduce mistakes in the notebook file format.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to start a notebook, turn notes or scripts into a structured notebook, or improve an existing notebook for experiments and teaching.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/tercumantanumut/selene/jupyter-notebook
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add tercumantanumut/selene --skill jupyter-notebook
Clone the repo
git clone --depth 1 https://github.com/tercumantanumut/selene

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for jupyter-notebook

README.md
[![agentmods](https://agentmods.dev/badge/skills/tercumantanumut/selene/jupyter-notebook/github.svg)](https://agentmods.dev/skills/tercumantanumut/selene/jupyter-notebook)
Your own site
<a href="https://agentmods.dev/skills/tercumantanumut/selene/jupyter-notebook"><img src="https://agentmods.dev/badge/skills/tercumantanumut/selene/jupyter-notebook/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for jupyter-notebook

Your own site · 80×15
<a href="https://agentmods.dev/skills/tercumantanumut/selene/jupyter-notebook"><img src="https://agentmods.dev/badge/skills/tercumantanumut/selene/jupyter-notebook.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 57 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 931 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin 86% copy Near-identical to another mod in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00057 $0.00931
Opus 5 $0.00028 $0.00465
Sonnet 5 $0.00011 $0.00186
Haiku 4.5 $0.00006 $0.00093

Measured 11d ago against content hash c0b14c32f5e4, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

jupyter-notebook scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/new_notebook.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

Origin

This is a copy

86% identical to jupyter-notebook — 22 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

lib/skills/catalog/bundled/jupyter-notebook/SKILL.md · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Jupyter Notebook Skill

Create clean, reproducible Jupyter notebooks for two primary modes:

  • Experiments and exploratory analysis
  • Tutorials and teaching-oriented walkthroughs

Prefer the bundled templates and the helper script for consistent structure and fewer JSON mistakes.

When to use

  • Create a new .ipynb notebook from scratch.
  • Convert rough notes or scripts into a structured notebook.
  • Refactor an existing notebook to be more reproducible and skimmable.
  • Build experiments or tutorials that will be read or re-run by other people.

Decision tree

  • If the request is exploratory, analytical, or hypothesis-driven, choose experiment.
  • If the request is instructional, step-by-step, or audience-specific, choose tutorial.
  • If editing an existing notebook, treat it as a refactor: preserve intent and improve structure.

Skill path (set once)

export JUPYTER_NOTEBOOK_CLI="${SELENE_SKILL_ROOT}/scripts/new_notebook.py"

Workflow

  1. Lock the intent. Identify the notebook kind: experiment or tutorial. Capture the objective, audience, and what "done" looks like.

  2. Scaffold from the template. Use the helper script to avoid hand-authoring raw notebook JSON.

uv run --python 3.12 python "$JUPYTER_NOTEBOOK_CLI" \
  --kind experiment \
  --title "Compare prompt variants" \
  --out output/jupyter-notebook/compare-prompt-variants.ipynb
uv run --python 3.12 python "$JUPYTER_NOTEBOOK_CLI" \
  --kind tutorial \
  --title "Intro to embeddings" \
  --out output/jupyter-notebook/intro-to-embeddings.ipynb
  1. Fill the notebook with small, runnable steps. Keep each code cell focused on one step. Add short markdown cells that explain the purpose and expected result. Avoid large, noisy outputs when a short summary works.

  2. Apply the right pattern. For experiments, follow ${SELENE_SKILL_ROOT}/references/experiment-patterns.md. For tutorials, follow ${SELENE_SKILL_ROOT}/references/tutorial-patterns.md.

  3. Edit safely when working with existing notebooks. Preserve the notebook structure; avoid reordering cells unless it improves the top-to-bottom story. Prefer targeted edits over full rewrites. If you must edit raw JSON, review ${SELENE_SKILL_ROOT}/references/notebook-structure.md first.

Read the full file on GitHub · 106 lines

Files

What ships with it

5 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 106 lines · 57 tokens per session scan A c0b14c32f5e4

Subscribe to this mod's changes

jupyter-notebook is a skill published in the GitHub repository tercumantanumut/selene (168 stars, last pushed 1mo ago), licensed MIT. It adds 57 tokens to every session and 931 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 86% identical to jupyter-notebook, differing in 22 lines, and is treated as a copy.

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