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zat: Instructions file for Claude Code

CLAUDE.md

zat CLAUDE.md is an instructions file for Claude Code from bglgwyng/zat. It costs 727 tokens per session, scanned A, original, GPL-3.0.

Project instructions for Claude Code covering the project overview, building and testing, releases, and architecture.

In plain words
What is it for?
Use it when Claude Code needs context about how to understand, build, test, release, or modify the project.
Why use it?
It gives Claude Code project-specific guidance so its work follows the repository’s documented structure and development process.

Instructions file for Claude Code

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

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

not rated 101repo 7d ago A scan 727 tokens GPL-3.0
View source ↗ bglgwyng/zat
Reuse

Borrowing it

Nothing to install: this file belongs to bglgwyng/zat. 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/bglgwyng/zat/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/bglgwyng/zat

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.

agentmods badge for zat CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/bglgwyng/zat/claude-md/github.svg)](https://agentmods.dev/instructions/bglgwyng/zat/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/bglgwyng/zat/claude-md"><img src="https://agentmods.dev/badge/instructions/bglgwyng/zat/claude-md/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 zat CLAUDE.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/bglgwyng/zat/claude-md"><img src="https://agentmods.dev/badge/instructions/bglgwyng/zat/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 727 This file is loaded in full into every session.
When invoked 727 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 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 $0.00727 $0.00727
Opus 5.5 $0.00291 $0.00291
Sonnet 5.5 $0.00145 $0.00145
Haiku 4.5 $0.00073 $0.00073

Measured 2mo ago against content hash db0247ebf3a8, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

zat 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 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.

CLAUDE.md · 54 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

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 · 54 lines · 727 tokens per session scan A db0247ebf3a8

Subscribe to this mod's changes

zat CLAUDE.md is an instructions file published in the GitHub repository bglgwyng/zat (101 stars, last pushed 7d ago), licensed GPL-3.0. It adds 727 tokens to every session, about $0.0029 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 2026-08-30.

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