What is scratchpad CLAUDE.md?

A project instruction file for scratch, a Bun-based command-line tool that organizes agent knowledge into folders called scratchpads and provides a read-only visual viewer. A monorepo is one repository containing several related parts of a project.

Use it when changing the scratch CLI, its viewer, tests, or monorepo architecture. It explains commands, manifests, task-checkbox persistence, Excalidraw scene saving, and the viewer under src/ui/.

It documents the tool's layout and protects its key rule: the CLI registers files and metadata but normally does not create, copy, or move their contents.

scratchpad CLAUDE.md — Instructions file for coding agents by NikiforovAll: A project instruction file for scratch, a Bun-based command-line

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 instructions/nikiforovall/scratchpad/claude-md

Clone the repo

git clone --depth 1 https://github.com/NikiforovAll/scratchpad

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/instructions/nikiforovall/scratchpad/claude-md.svg)](https://agentmods.dev/instructions/nikiforovall/scratchpad/claude-md)

Your own site

<a href="https://agentmods.dev/instructions/nikiforovall/scratchpad/claude-md"><img src="https://agentmods.dev/badge/instructions/nikiforovall/scratchpad/claude-md.svg" alt="Measured on agentmods" height="20"></a>

Per session 1,374 This file is loaded in full into every session.

When invoked 1,374 The same file — it is already loaded in full.

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.

Model	Per session	Once invoked
Fable 5.1	$0.01374	$0.01374
Opus 5	$0.00687	$0.00687
Sonnet 5	$0.00275	$0.00275
Haiku 4.5	$0.00137	$0.00137

Measured 5d ago against content hash 9bd580b198ad, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

scratchpad CLAUDE.md 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 5d 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.md · 56 lines

How it starts

The opening of the file, as written. The whole thing — 56 lines — stays where its author put it; the contents beside it link to each section on GitHub.

What this is

scratch is a CLI-first tool that organizes agent knowledge into scratchpads: a folder + a scratchpad.json manifest, with a read-only visual viewer. Runs on the Bun runtime.

Core invariant (do not violate): the CLI never authors, copies, or moves file content. It only creates pad dirs, writes manifests, and tracks metadata. The user/agent writes files with their normal tools; scratch add just registers them. A pad is just a folder containing scratchpad.json — the folder path is its identity. There is no central store/index.

Two deliberate exceptions (don't "fix" them as violations), both in src/ui/launch.ts:

Clicking a rendered GFM task checkbox in the viewer flips that single [ ]/[x] marker in the source file (persistFileCheckbox). Line-addressed; verifies the line still IS a task marker before writing.
Saving from the viewer's in-place Excalidraw editor writes the edited scene JSON back to its .excalidraw file (persistExcalidrawScene). The user drew the content; the CLI only persists it — scoped to manifest-registered .excalidraw targets and validated with parseScene first.

Commands

bun test                      # run the suite (bun's built-in test runner)
bun test test/cli.test.ts     # single file
bun test --test-name-pattern "slugify"   # single test by name
bun run scratch -- <args>     # run the CLI in dev (e.g. bun run scratch -- ls)
bun run build                 # compile standalone → dist/scratch(.exe) + stage native host
bun link                      # expose `scratch` globally from source
bun run docs:dev              # vitepress docs (docs/)

No separate lint/typecheck step is wired at the root; tsc runs via pi/ only (bun --cwd pi run typecheck). Tests are the gate (prepublishOnly: bun test).

Monorepo layout

Two independently-published npm packages plus a Claude Code plugin, all in one repo:

root (@nikiforovall/scratchpad) — the CLI. Entry src/cli.ts, bin name scratch.
pi/ (@nikiforovall/pi-scratchpad) — pi coding-agent package: skills + /scratch ui|export|stop commands. Drives the same scratch CLI (does not reimplement it).
plugins/scratchpad/ — Claude Code plugin (skills); .claude-plugin/ makes this repo a plugin marketplace.

Read the full file on GitHub · 56 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.

5d ago First seen · 56 lines · 1,374 tokens per session scan A 9bd580b198ad

Subscribe to this mod's changes

scratchpad CLAUDE.md is an instructions file published in the GitHub repository NikiforovAll/scratchpad (11 stars, last pushed yesterday), licensed MIT. It adds 1,374 tokens to every session, about $0.0069 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 2026-08-30.

agent ai cli developer-tools knowledge-management markdown

scratchpad CLAUDE.md

Getting it into your agent

Wrote this? Show the measurements

What it costs to keep this loaded

Grade A, and why

Nothing flagged

How it starts

What this is

Commands

Monorepo layout

What this file has done since we first saw it

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