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mdd: Instructions file for Claude Code

CLAUDE.md

mdd CLAUDE.md is an instructions file for Claude Code from TheDecipherist/mdd. It costs 1,732 tokens per session, scanned B, original, no licence file.

A set of instructions for working on the TheDecipherist/mdd code repository, covering its documentation, commands, and architecture.

In plain words
What is it for?
Use it when asking an agent to work in TheDecipherist/mdd and follow its documented commands and structure.
Why use it?
It gives an agent the repository-specific context needed to follow the project’s working rules and understand how its parts fit together.

Instructions file for Claude Code

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

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

not rated 12repo 5mo ago B scan 1,732 tokens no licence
View source ↗ TheDecipherist/mdd thedecipherist.github.io
Reuse

Borrowing it

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

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 mdd CLAUDE.md

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

Your own site · 80×15
<a href="https://agentmods.dev/instructions/thedecipherist/mdd/claude-md"><img src="https://agentmods.dev/badge/instructions/thedecipherist/mdd/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 1,732 This file is loaded in full into every session.
When invoked 1,732 The same file — it is already loaded in full.
Security scan B 1 finding. 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 $0.01732 $0.01732
Opus 5.5 $0.00693 $0.00693
Sonnet 5.5 $0.00346 $0.00346
Haiku 4.5 $0.00173 $0.00173

Measured 2mo ago against content hash dcc9dca41943, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade B, and why

mdd CLAUDE.md scanned grade B with 1 finding 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.

Reads agent configuration directoriesmediumAgent snooping

.claude/, .codex/, .gemini/ hold keys, settings and other credentials a mod has no legitimate need for.

`install.ts` also merges a hook entry into `settings.json` (`~/.claude/settings.json` or `.claude/settings.json`) with an idempotency check: if any existing PreToolUse entry's command already contains `mdd-branch-guard`,
CLAUDE.md · 119 lines

The source is not reproduced here

No licence file

A repository with no LICENSE is all rights reserved by default, so the body is not copied here. The metadata, the measurements and the link are.

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 · 119 lines · 1,732 tokens per session scan B dcc9dca41943

Subscribe to this mod's changes

mdd CLAUDE.md is an instructions file published in the GitHub repository TheDecipherist/mdd (12 stars, last pushed 5mo ago), with no licence file. It adds 1,732 tokens to every session, about $0.0069 per session on Opus 5.5. A static security scan graded it B with 1 finding (reads agent configuration directories). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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