helpers: Skill for Claude Code

.claude/skills/notebook.brainstorm_outline/SKILL.md

notebook.brainstorm_outline is a skill for Claude Code from causify-ai/helpers. It costs 14 tokens per session (646 once invoked), scanned A, original, Apache-2.0.

A learning-content planner that proposes interactive Jupyter notebooks, which are documents combining runnable code, explanations, and visual output.

In plain words
What is it for?
Use it to outline notebook ideas with visualizations, experiments, famous examples, learning goals, and activities.
Why use it?
It turns technical material into hands-on lessons instead of leaving concepts as text alone.

Skill for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter; reads .claude/ paths.

This is causify-ai/helpers's own configuration. It tells Claude Code how to work on helpers itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything helpers configures →

Reuse

Borrowing it

Nothing to install: this file belongs to causify-ai/helpers. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/causify-ai/helpers/master/.claude/skills/notebook.brainstorm_outline/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/causify-ai/helpers

Made for: Claude Code.

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README.md
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Per session 14 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 646 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 original No closer match found 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 $0.00014 $0.00646
Opus 5.5 $0.00006 $0.00258
Sonnet 5.5 $0.00003 $0.00129
Haiku 4.5 $0.00001 $0.00065

Measured 1mo ago against content hash f7a8978c8858, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

notebook.brainstorm_outline 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 1mo ago.

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.

.claude/skills/notebook.brainstorm_outline/SKILL.md · 97 lines

How it starts

The opening of the file, as written. The whole thing — 97 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Goal

  • Given some technical material provided from the user, come up with 5 ideas of interactive Jupyter notebooks that teaches the concepts in the materials using:

    • Visualization
    • Interaction
    • Exploration
  • When possible suggest and use "famous" examples, data, experiments, and problems related to the provided material

  • The output is a file notebook_ideas.<TAG>.md markdown file that describe the ideas

Template

  • For each ideas use a template like
    ## 1. <Title>
    
    ### Goal
    Students gain intuitive understanding of ... by building and analyzing ... and
    exploring the relationship between ...
    
    ### Learning Objectives
    - Understand ...
    - Visualize ...
    
    ### Core Concepts
    - ...
    
    ### Key Packages
    - **package**: ...
    
    (Do not cite the standard packages like pandas, scipy, numpy, matplotlib)
    
    ### Learning Activities
    - Build ...
    - Generate ...
    - Test ...
    - Explore ...
    - Measure ...
    - Interactive ...
    

Example

  • For a query like "Explain propositional logic":
    ## 1. Interactive Logic Explorer
    
    ### Goal
    - Students will:
      - Gain intuitive understanding of propositional logic by building and analyzing
        logical formulas, truth tables, and inference rules
      - Explore the relationship between syntax, semantics, and computation.
    
    ### Learning Objectives
    - Construct propositional formulas and evaluate truth values
    - Enumerate all models and check entailment
    - Understand SAT solving and computational complexity
    - Visualize how expressiveness and tractability trade off
    
    ### Core Concepts
    - Propositional logic syntax (operators: not, and, or, implies, iff)
    - Semantics via truth tables and model interpretation
    - Inference rules (Modus Ponens, Modus Tollens, Resolution)
    - Model checking algorithm (sound and complete)
    - Satisfiability and NP-completeness
    
    ### Key Packages
    - **sympy**: symbolic logic, propositional formula manipulation
    - **python-sat**: SAT solver backends
    
    ### Learning Activities
    - Build formulas interactively: `(Rain and Cold) or Sunny`
    - Generate and display truth tables for arbitrary formulas
    - Test entailment between two formulas: does KB entail alpha?
    - Explore inference rules (modus ponens, resolution)
    - Measure SAT solver complexity as # variables increases
    - Interactive "Wumpus World" knowledge base reasoning
    

Read the full file on GitHub · 97 lines

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. 1mo ago First seen · 97 lines · 14 tokens per session scan A f7a8978c8858

Subscribe to this mod's changes

notebook.brainstorm_outline is a skill published in the GitHub repository causify-ai/helpers (150 stars, last pushed today), licensed Apache-2.0. It adds 14 tokens to every session and 646 once invoked, about $0.0001 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-13.

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