taskuary: Instructions file for Claude Code

CLAUDE.md

taskuary CLAUDE.md is an instructions file for Claude Code from ldbumble/taskuary. It costs 668 tokens per session, scanned A, original, MIT.

Repository instructions that tell an AI coding assistant how to work with private information from real email. They require invented stand-ins and warn that commits, tests, comments, screenshots, and recordings are public.

In plain words
What is it for?
Use them when writing tests, documentation, commit messages, screenshots, or other project changes based on private email or customer data.
Why use it?
They reduce the risk of accidentally publishing names, addresses, company details, or sensitive message content while fixing bugs in a public repository.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md.

This is ldbumble/taskuary's own configuration. It tells Claude Code how to work on taskuary 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 taskuary configures →

Reuse

Borrowing it

Nothing to install: this file belongs to ldbumble/taskuary. 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/ldbumble/taskuary/master/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/ldbumble/taskuary

Made for: Claude Code.

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.

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README.md
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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.

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Per session 668 This file is loaded in full into every session.
When invoked 668 The same file — it is already loaded in full.
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 $0.00668 $0.00668
Opus 5.5 $0.00267 $0.00267
Sonnet 5.5 $0.00134 $0.00134
Haiku 4.5 $0.00067 $0.00067

Measured 1mo ago against content hash 57632acbc73e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

taskuary 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 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.md · 53 lines

How it starts

The opening of the file, as written. The whole thing — 53 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Working in this repository

Never commit the owner's own data

This repository is public. It is also built by reading one person's real mail, so the pull is constant: the quickest way to write a test for a bug is to paste the message that caused it, and the clearest way to explain a fix is to name the people in it. Both put a private thing somewhere it cannot be taken back from — a commit message, a fixture, a comment, a screenshot.

None of it goes in. Not in code, tests, fixtures, docs, comments, commit messages, or images:

  • names of colleagues, senders, residents, patients or customers
  • company names, facility names and numbers, internal repository names
  • mailbox addresses and the domains around them
  • what a real thread actually said, where it identifies the people in it
  • anything a divestiture, a contract or a salary could be read out of

What a bug NEEDS is its shape — a forwarded chain, a report that repeats, two mails in one poll. Write that, with invented people. A test reads better for it, and the failure it pins is the same.

The stand-ins this repository already uses

Addresses use RFC 2606's reserved names — *.example, example.com, .test, .invalid — and nothing else. tests/test_demo.py::test_nobody_real_is_in_it enforces that for the demo world, and it asserts the invariant rather than naming any real domain, which is the pattern to copy: a guard that spells out the thing it guards against has published it.

for use
the owner Alex Doyle, [email protected]
their company Northwind, northwind.example
colleagues Erin Blake, Gail Moreno, Paula Vance, Ray Colton, Marcus Reed, Omar Keller
a vendor vendor.example, Payworth, Trainly, Spendly, PhishGuard
repositories northwind/ledger, northwind/portal, org/app

The one exception is the connector catalogue (taskuary/connectorcatalog.json, website/src/logos.jsx, docs/site/connections.md, the keyword list in taskuary/reports.py). Naming PointClickCare, ADP, Epic or Cerner there says what this app can connect to. That is a feature of the product, not a fact about its owner.

Read the full file on GitHub · 53 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 · 53 lines · 668 tokens per session scan A 57632acbc73e

Subscribe to this mod's changes

taskuary CLAUDE.md is an instructions file published in the GitHub repository ldbumble/taskuary (143 stars, last pushed today), licensed MIT. It adds 668 tokens to every session, about $0.0027 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 2026-09-23.

Related

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