ctx4-ai: Instructions file for Claude Code

CLAUDE.md

ctx4-ai CLAUDE.md is an instructions file for Claude Code from dubzdubz/ctx4-ai. It costs 3 tokens per session, scanned A, a copy of deepseek-harness CLAUDE.md, Apache-2.0.

A set of project instructions for ctx4-ai, a portable context layer for Claude and ChatGPT. It also points to AGENTS.md for related guidance.

In plain words
What is it for?
It is for guiding agent work on the ctx4-ai codebase. The input does not specify the individual instructions.
Why use it?
It gives an AI agent the context and rules needed to work consistently in that project.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions AGENTS.md.

This is dubzdubz/ctx4-ai's own configuration. It tells Claude Code how to work on ctx4-ai 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 ctx4-ai configures →

Reuse

Borrowing it

Nothing to install: this file belongs to dubzdubz/ctx4-ai. 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/dubzdubz/ctx4-ai/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/dubzdubz/ctx4-ai

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 ctx4-ai CLAUDE.md

README.md
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Your own site
<a href="https://agentmods.dev/instructions/dubzdubz/ctx4-ai/claude-md"><img src="https://agentmods.dev/badge/instructions/dubzdubz/ctx4-ai/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 ctx4-ai CLAUDE.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/dubzdubz/ctx4-ai/claude-md"><img src="https://agentmods.dev/badge/instructions/dubzdubz/ctx4-ai/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 3 This file is loaded in full into every session.
When invoked 3 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 100% copy Near-identical to another mod 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 $0.00003 $0.00003
Opus 5 $0.00002 $0.00002
Sonnet 5 $0.00001 $0.00001
Haiku 4.5 $0.00000 $0.00000

Measured 8d ago against content hash a54ff182c7e8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

ctx4-ai 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 8d 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.

Origin

This is a copy

100% identical to deepseek-harness CLAUDE.md — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

CLAUDE.md · 1 lines

What it actually says

AGENTS.md

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. 8d ago First seen · 1 lines · 3 tokens per session scan A a54ff182c7e8

Subscribe to this mod's changes

ctx4-ai CLAUDE.md is an instructions file published in the GitHub repository dubzdubz/ctx4-ai (1 stars, last pushed 6mo ago), licensed Apache-2.0. It adds 3 tokens to every session, about $0.0000 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to deepseek-harness CLAUDE.md, differing in 0 lines, and is treated as a copy.

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