note

note is a skill for Claude Code, Codex from SienkLogic/plan-build-run. It costs 18 tokens per session (2,125 once invoked), scanned A, original, MIT.

A quick note tool for capturing ideas and keeping them as short written records. It can also list notes or turn them into todos, which are tasks to do later.

In plain words
What is it for?
Use it to append a note, review saved notes, or promote an idea into a todo.
Why use it?
It prevents useful ideas from being lost or delayed by a larger planning process.

Skill for Claude CodeCodex

Part of the pbr plugin — 45 skills, 71 commands, 18 agents, 3 hooks shipped together

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.

agentmods
npx agentmods add skills/sienklogic/plan-build-run/note
Any agent
npx skills add SienkLogic/plan-build-run --skill note
Clone the repo
git clone --depth 1 https://github.com/SienkLogic/plan-build-run

Made for: Claude Code, Codex.

Or install pbr, the plugin that ships this one along with the rest of its 45 skills, 71 commands, 18 agents, 3 hooks.

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 note

README.md
[![agentmods](https://agentmods.dev/badge/skills/sienklogic/plan-build-run/note.svg)](https://agentmods.dev/skills/sienklogic/plan-build-run/note)
Your own site
<a href="https://agentmods.dev/skills/sienklogic/plan-build-run/note"><img src="https://agentmods.dev/badge/skills/sienklogic/plan-build-run/note.svg" alt="Measured on agentmods" height="20"></a>
Per session 18 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,125 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00018 $0.02125
Opus 5 $0.00009 $0.01063
Sonnet 5 $0.00004 $0.00425
Haiku 4.5 $0.00002 $0.00213

Measured today against content hash f858099c482a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

note 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 today.

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.

plugins/pbr/skills/note/SKILL.md · 234 lines

How it starts

The opening of the file, as written. The whole thing — 234 lines — stays where its author put it; the contents beside it link to each section on GitHub.

STOP — DO NOT READ THIS FILE. You are already reading it. This prompt was injected into your context by Claude Code's plugin system. Using the Read tool on this SKILL.md file wastes ~7,600 tokens. Begin executing Step 1 immediately.

Step 0 — Immediate Output

Before ANY tool calls, display this banner:

╔══════════════════════════════════════════════════════════════╗
║  PLAN-BUILD-RUN ► NOTE                                       ║
╚══════════════════════════════════════════════════════════════╝

Then proceed to Step 1.

/pbr:note — Quick Note Capture

You are running the note skill. Your job is zero-friction idea capture. One Write call, one confirmation line. No questions, no prompts.

This skill runs inline — no Task, no AskUserQuestion, no Bash.

References

  • references/ui-brand.md — Status symbols, banners, formatting for note display output

Storage Format

Notes are stored as individual markdown files in a notes directory:

  • Project scope: .planning/notes/{YYYY-MM-DD}-{slug}.md — used when .planning/ directory exists in cwd
  • Global scope: ~/.claude/notes/{YYYY-MM-DD}-{slug}.md — used as fallback when no .planning/, or when --global flag is present

Each note file has this format:

---
date: "YYYY-MM-DD HH:mm"
promoted: false
---

{note text verbatim}

--global flag: Strip --global from anywhere in $ARGUMENTS before parsing. When present, force global scope regardless of whether .planning/ exists.

Important: Do NOT create .planning/ if it doesn't exist. If there's no .planning/ directory, fall back to global scope silently.


Subcommand Parsing

Parse $ARGUMENTS after stripping --global:

Condition Subcommand
Arguments are exactly list (case-insensitive) list
Arguments are exactly promote <N> where N is a number promote
Arguments are empty (no text at all) list
Anything else append (the text IS the note)

Read the full file on GitHub · 234 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. today First seen · 234 lines · 18 tokens per session scan A f858099c482a

Subscribe to this mod's changes

note is a skill published in the GitHub repository SienkLogic/plan-build-run (17 stars, last pushed 5mo ago), licensed MIT. It adds 18 tokens to every session and 2,125 once invoked, about $0.0001 per session on Opus 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 2026-09-03.

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