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notebook

notebook is a skill for Claude Code from jpwilliams/notes-skill. It costs 93 tokens per session (3,527 once invoked), scanned A, original, no licence file.

A personal notebook and long-term work memory stored on notes.jpwilliams.dev. It records past decisions, failed attempts, preferences, projects, and people for later conversations.

In plain words
What is it for?
Use it to read and maintain project notes, session history, decisions, preferences, and information about collaborators.
Why use it?
It helps preserve useful context between work sessions instead of relying on memory from the current conversation alone.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the notes plugin — 1 skill, 1 MCP server shipped together

not rated 0repo 2mo ago A scan 93 tokens no licence

Good fit Use it to read and maintain project notes, session history, decisions, preferences, and information about collaborators.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/jpwilliams/notes-skill/notebook
View source ↗ jpwilliams/notes-skill notes.jpwilliams.dev
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 jpwilliams/notes-skill --skill notebook
Clone the repo
git clone --depth 1 https://github.com/jpwilliams/notes-skill

Made for: Claude Code.

Or install notes, the plugin that ships this one along with the rest of its 1 skill, 1 MCP server.

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 notebook

README.md
[![agentmods](https://agentmods.dev/badge/skills/jpwilliams/notes-skill/notebook/github.svg)](https://agentmods.dev/skills/jpwilliams/notes-skill/notebook)
Your own site
<a href="https://agentmods.dev/skills/jpwilliams/notes-skill/notebook"><img src="https://agentmods.dev/badge/skills/jpwilliams/notes-skill/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 notebook

Your own site · 80×15
<a href="https://agentmods.dev/skills/jpwilliams/notes-skill/notebook"><img src="https://agentmods.dev/badge/skills/jpwilliams/notes-skill/notebook.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 93 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,527 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 unknown 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 $0.00093 $0.03527
Opus 5.5 $0.00037 $0.01411
Sonnet 5.5 $0.00019 $0.00705
Haiku 4.5 $0.00009 $0.00353

Measured 2mo ago against content hash 0b411ac0b76f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

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 2mo 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.

notes/skills/notebook/SKILL.md · 255 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

Read it on GitHub

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. 2mo ago First seen · 255 lines · 93 tokens per session scan A 0b411ac0b76f

Subscribe to this mod's changes

notebook is a skill published in the GitHub repository jpwilliams/notes-skill (0 stars, last pushed 2mo ago), with no licence file. It adds 93 tokens to every session and 3,527 once invoked, about $0.0004 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 2026-08-31.

Memory and context
Related

notebook compared with skills from other repositories

notebook next to 6 skills from other repositories
ModTypeStarsLast pushLicenceScanTokensWorks with
notebookjpwilliams/notes-skillSkill02mo agononeA93Claude Code
knowledge-ingestopenclaw/openclawSkill394ktodayMITA80Claude Code, Codex
mem0-oss-to-platformmem0ai/mem0Skill69k2d agoApache-2.0A217Claude Code, Codex
forgetasgeirtj/system_prompts_leaksSkill71ktodayCC0-1.0A0Claude Code, Codex
Cortexdanielmiessler/LifeOSSkill20k3d agoMITA184Claude Code
memoryopensquilla/opensquillaSkill7.1k2d agoApache-2.0A44Claude Code, Codex
ha-data-storesshiwenwen/hope-agentSkill1.9ktodayMITA115Claude Code, Codex