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acopia: Instructions file for Claude Code

CLAUDE.md

acopia CLAUDE.md is an instructions file for Claude Code from faborubio/acopia. It costs 2,303 tokens per session, scanned A, original, no licence file.

A set of instructions for Claude Code in the Acopia project, covering project context, how sessions begin, the working method, and conventions.

In plain words
What is it for?
Use it when starting or continuing Claude Code sessions on Acopia so the agent reads context in the expected order and follows the project’s workflow.
Why use it?
It gives the coding agent the project knowledge and rules needed to work consistently in that codebase.

Instructions file for Claude Code

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

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

not rated 0repo 3mo ago A scan 2,303 tokens no licence
View source ↗ faborubio/acopia
Reuse

Borrowing it

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

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 acopia CLAUDE.md

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

Your own site · 80×15
<a href="https://agentmods.dev/instructions/faborubio/acopia/claude-md"><img src="https://agentmods.dev/badge/instructions/faborubio/acopia/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 2,303 This file is loaded in full into every session.
When invoked 2,303 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 $0.02303 $0.02303
Opus 5.5 $0.00921 $0.00921
Sonnet 5.5 $0.00461 $0.00461
Haiku 4.5 $0.00230 $0.00230

Measured 2mo ago against content hash 1641babd5d85, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

acopia 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 · 106 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 · 106 lines · 2,303 tokens per session scan A 1641babd5d85

Subscribe to this mod's changes

acopia CLAUDE.md is an instructions file published in the GitHub repository faborubio/acopia (0 stars, last pushed 3mo ago), with no licence file. It adds 2,303 tokens to every session, about $0.0092 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 2026-08-31.

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