A workflow for creating, finding, reusing, and delivering non-code Markdown work files such as plans, notes, drafts, and review packets.

It helps manage local task trackers, research notes, drafts, supplied files, and approved Secret Gist sharing.

It prevents working documents from being scattered, duplicated, or lost when a task is paused and resumed.

logbook — Skill for Claude Code and Codex by i9wa4/dotfiles

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 i9wa4/dotfiles --skill logbook

Clone the repo

git clone --depth 1 https://github.com/i9wa4/dotfiles

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/i9wa4/dotfiles/logbook/github.svg)](https://agentmods.dev/skills/i9wa4/dotfiles/logbook)

Your own site

<a href="https://agentmods.dev/skills/i9wa4/dotfiles/logbook"><img src="https://agentmods.dev/badge/skills/i9wa4/dotfiles/logbook/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/i9wa4/dotfiles/logbook"><img src="https://agentmods.dev/badge/skills/i9wa4/dotfiles/logbook.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 106 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 434 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.

Model	Per session	Once invoked
Fable 5.1	$0.00106	$0.00434
Opus 5.5	$0.00042	$0.00174
Sonnet 5.5	$0.00021	$0.00087
Haiku 4.5	$0.00011	$0.00043

Measured 4d ago against content hash 1c7f7cbaf555, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

logbook 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 4d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/validate-gist-delivery-contract.sh), 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.

skills/logbook/SKILL.md · 48 lines

What it actually says

Logbook

Owns local Markdown artifact creation, discovery, reuse, and lifecycle.

A logbook entry is a local Markdown file (mkmd). It remains the canonical task source throughout the work, including after a delivery copy is prepared. Route claude.ai's /artifacts feature to artifact-design.

Follow the active runtime/session language policy or explicit request. This skill does not define its own output language defaults.

1. Workflow

If the requester supplied an artifact path, use that path as canonical.
If no path was supplied, use Local Markdown Artifacts to discover work-start or resume candidates before creating a file.
Reuse one matching active artifact for the same repo, branch, task, and purpose; create a separate file only for a genuinely separate purpose.
If durable state is needed and no path exists, create a markdown artifact with the cwd-independent mkmd contract in the local markdown reference.
Keep updating the canonical local artifact as task state. For human-facing Markdown, follow the readability guidance in the same reference. A request for a readable document does not authorize external publication.

2. References

Local Markdown Artifacts

For explicitly requested Gist delivery only, follow Secret-Gist Delivery.

Files

What ships with it

14 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.

4d ago Changed · -2 lines · -2 tokens per session 1c7f7cbaf555
1mo ago First seen · 50 lines · 108 tokens per session scan A 76b4c0ef6c47

Subscribe to this mod's changes

logbook is a skill published in the GitHub repository i9wa4/dotfiles (12 stars, last pushed today), licensed MIT. It adds 106 tokens to every session and 434 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 2026-09-04.

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