AIHelper: Instructions file for Codex

AGENTS.md

AIHelper AGENTS.md is an instructions file for Codex, OpenCode from linbin-mk/AIHelper. It costs 536 tokens per session, scanned A, original, MIT.

Project instructions for AIHelper, a browser extension that supports Chrome-based browsers and Firefox.

In plain words
What is it for?
Use it when changing shared logic, skills, or browser-specific parts of the extension.
Why use it?
It records rules such as where shared code belongs and when to run the synchronization script, reducing the risk of editing the wrong copy or shipping outdated code.

Instructions file for CodexOpenCode

Written for Codex and OpenCode: the file is AGENTS.md. Also seen: mentions AGENTS.md.

This is linbin-mk/AIHelper's own configuration. It tells Codex and OpenCode how to work on AIHelper 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 AIHelper configures →

Reuse

Borrowing it

Nothing to install: this file belongs to linbin-mk/AIHelper. 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/linbin-mk/AIHelper/main/AGENTS.md
Clone the repo
git clone --depth 1 https://github.com/linbin-mk/AIHelper

Made for: Codex, OpenCode.

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 AIHelper AGENTS.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/linbin-mk/aihelper/agents-md/github.svg)](https://agentmods.dev/instructions/linbin-mk/aihelper/agents-md)
Your own site
<a href="https://agentmods.dev/instructions/linbin-mk/aihelper/agents-md"><img src="https://agentmods.dev/badge/instructions/linbin-mk/aihelper/agents-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 AIHelper AGENTS.md

Your own site · 80×15
<a href="https://agentmods.dev/instructions/linbin-mk/aihelper/agents-md"><img src="https://agentmods.dev/badge/instructions/linbin-mk/aihelper/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 536 This file is loaded in full into every session.
When invoked 536 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 original 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 $0.00536 $0.00536
Opus 5.5 $0.00214 $0.00214
Sonnet 5.5 $0.00107 $0.00107
Haiku 4.5 $0.00054 $0.00054

Measured 2mo ago against content hash c93ab3d26973, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

AIHelper AGENTS.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.

AGENTS.md · 48 lines

What it actually says

AGENTS.md

⚠️ 最高优先级规则

以下规则优先级高于本文件其他所有规则。

交流规范

  • 所有交流必须使用中文

项目结构

本扩展同时支持 Chrome(含其他 Chromium 内核浏览器)和 Firefox。

AIHelper/
├── shared/                    ← 公共业务逻辑(chat.js, config.js, knowledge.js 等)
├── skills/                    ← 技能定义(两边共享)
├── chrome-extension/          ← Chrome 扩展(可直接加载/打包)
│   ├── manifest.json
│   └── src/
│       ├── background.js
│       ├── headerManager.js   ← Chrome DNR 实现
│       ├── panel/             ← Chrome Side Panel 入口
│       ├── content/           ← 公共 content scripts
│       └── shared/            ← sync.sh 生成,勿直接编辑
├── firefox-extension/         ← Firefox 扩展(可直接加载/打包)
│   ├── manifest.json
│   └── src/
│       ├── background.js
│       ├── headerManager.js   ← Firefox webRequest 阻塞实现
│       ├── popup/             ← Firefox sidebar 入口
│       ├── content/           ← sync.sh 生成,勿直接编辑
│       └── shared/            ← sync.sh 生成,勿直接编辑
└── sync.sh                    ← 同步脚本

文件编辑规则

  • shared/ 目录是公共代码的唯一真相源。需要修改共享业务逻辑时,编辑 shared/ 下的文件,而不是 chrome-extension/src/shared/ 或 firefox-extension/src/shared/。
  • 编辑 shared/ 后必须运行 bash sync.sh,将修改同步到两个扩展目录。否则扩展加载的是旧代码。
  • skills/ 目录同理,编辑后需运行 sync.sh。
  • chrome-extension/src/content/ 是 content scripts 的唯一真相源,编辑后需运行 sync.sh 同步到 Firefox。
  • 平台专属文件直接编辑对应的扩展目录,无需 sync:
    • chrome-extension/src/background.js / headerManager.js / panel/
    • firefox-extension/src/background.js / headerManager.js / popup/
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 · 48 lines · 536 tokens per session scan A c93ab3d26973

Subscribe to this mod's changes

AIHelper AGENTS.md is an instructions file published in the GitHub repository linbin-mk/AIHelper (11 stars, last pushed 3mo ago), licensed MIT. It adds 536 tokens to every session, about $0.0021 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.

Related

AIHelper AGENTS.md compared with instructions from other repositories

AIHelper AGENTS.md next to 6 instructions from other repositories
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