What is OpenGUI CLAUDE.md?

A repository guide for AI coding agents working on Core-Mate/OpenGUI. It explains the project's purpose, working rules, architecture, and directory layout.

Use it when an agent needs to understand OpenGUI, follow its default contribution rules, or find files and major components.

It gives an agent the background and rules needed to work in this repository without guessing how the code is organised.

How Core-Mate/OpenGUI configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to Core-Mate/OpenGUI. 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/Core-Mate/OpenGUI/main/CLAUDE.md

Clone the repo

git clone --depth 1 https://github.com/Core-Mate/OpenGUI

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/core-mate/opengui/claude-md/github.svg)](https://agentmods.dev/instructions/core-mate/opengui/claude-md)

Your own site

<a href="https://agentmods.dev/instructions/core-mate/opengui/claude-md"><img src="https://agentmods.dev/badge/instructions/core-mate/opengui/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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/core-mate/opengui/claude-md"><img src="https://agentmods.dev/badge/instructions/core-mate/opengui/claude-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 2,651 This file is loaded in full into every session.

When invoked 2,651 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.

Model	Per session	Once invoked
Fable 5.1	$0.02651	$0.02651
Opus 5.5	$0.01060	$0.01060
Sonnet 5.5	$0.00530	$0.00530
Haiku 4.5	$0.00265	$0.00265

Measured 29d ago against content hash 3e781926c354, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

OpenGUI 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 29d 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 · 259 lines

The source is not reproduced here

A licence we could not identify

The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.

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.

29d ago Changed · +14 tokens per session 3e781926c354
1mo ago Changed · +7 lines · +166 tokens per session 30e6cb51eae2
2mo ago First seen · 252 lines · 2,471 tokens per session scan A 7a04625b0176

Subscribe to this mod's changes

OpenGUI CLAUDE.md is an instructions file published in the GitHub repository Core-Mate/OpenGUI (1,807 stars, last pushed 19d ago), with no licence file. It adds 2,651 tokens to every session, about $0.0106 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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OpenGUI CLAUDE.md next to 6 instructions from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
OpenGUI CLAUDE.mdCore-Mate/OpenGUI	Instructions file	1.8k	19d ago	none	A	2,651	Claude Code
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vscode oss-third-party-notices.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	5,516	GitHub Copilot
vscode copilot-instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	3,093	GitHub Copilot
deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness	Instructions file	274k	2d ago	MIT	A	4,313	Codex, OpenCode

OpenGUI: Instructions file for Claude Code