What is Android-DIY-Sandbox AGENTS.md?

Project instructions for building and packaging an Android app made with Flutter, with separate builds using the system WebView or built-in Chromium engine.

They help produce debug or release APK files for the two app variants and copy and verify the resulting files.

They give a coding agent the exact build commands, output locations, file names, and checksum steps needed for this project.

How zz6zz666/Android-DIY-Sandbox configures Codex and OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to zz6zz666/Android-DIY-Sandbox. 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/zz6zz666/Android-DIY-Sandbox/master/AGENTS.md

Clone the repo

git clone --depth 1 https://github.com/zz6zz666/Android-DIY-Sandbox

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.

README.md

[![agentmods](https://agentmods.dev/badge/instructions/zz6zz666/android-diy-sandbox/agents-md/github.svg)](https://agentmods.dev/instructions/zz6zz666/android-diy-sandbox/agents-md)

Your own site

<a href="https://agentmods.dev/instructions/zz6zz666/android-diy-sandbox/agents-md"><img src="https://agentmods.dev/badge/instructions/zz6zz666/android-diy-sandbox/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.

Your own site · 80×15

<a href="https://agentmods.dev/instructions/zz6zz666/android-diy-sandbox/agents-md"><img src="https://agentmods.dev/badge/instructions/zz6zz666/android-diy-sandbox/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 874 This file is loaded in full into every session.

When invoked 874 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.

Model	Per session	Once invoked
Fable 5.1	$0.00874	$0.00874
Opus 5.5	$0.00350	$0.00350
Sonnet 5.5	$0.00175	$0.00175
Haiku 4.5	$0.00087	$0.00087

Measured 2mo ago against content hash 17c6df0ae676, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

Android-DIY-Sandbox 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 · 61 lines

How it starts

The opening of the file, as written. The whole thing — 61 lines — stays where its author put it; the contents beside it link to each section on GitHub.

AGENTS.md

构建

normal (系统 WebView):

flutter build apk --debug --flavor normal --target-platform android-arm64 --no-tree-shake-icons

flutter build apk --release --flavor normal --target-platform android-arm64 --no-tree-shake-icons && cp build/app/outputs/apk/normal/release/Android-DIY-Sandbox-*.apk build/app/outputs/flutter-apk/ && APK=$(ls build/app/outputs/flutter-apk/Android-DIY-Sandbox-*.apk | head -1) && sha1sum "$APK" | cut -d' ' -f1 > "${APK}.sha1"

chromium (内置 Chromium 内核):

flutter build apk --debug --flavor chromium --target-platform android-arm64 --no-tree-shake-icons

flutter build apk --release --flavor chromium --target-platform android-arm64 --no-tree-shake-icons && cp build/app/outputs/apk/chromium/release/Android-DIY-Sandbox-*.apk build/app/outputs/flutter-apk/ && APK=$(ls build/app/outputs/flutter-apk/Android-DIY-Sandbox-*.apk | head -1) && sha1sum "$APK" | cut -d' ' -f1 > "${APK}.sha1"

Gradle 已配置 outputFileName,产物在 android/app/outputs/apk/ 下自动命名为 Android-DIY-Sandbox-v{versionName}-{flavor}-{buildType}.apk (normal 和 chromium 均带显式 flavor 标记)。 Flutter 工具会额外复制一份到 build/app/outputs/flutter-apk/ (默认名 app-{flavor}-{buildType}.apk)。上方的构建命令会将 Gradle 目录下的重命名产物连同 SHA 校验文件同步到 flutter-apk/。

必须带 --no-tree-shake-icons:Lua 层 UI 允许用任意图标名/codepoint 在运行时动态构造 IconData (见 lib/ui/lua/lua_view.dart 的 luaIconFor 与 lib/ui/lua/material_icons_map.g.dart)。不加该 flag 时 Flutter 会摇树裁掉未静态引用的图标,导致 Lua 指定的图标显示为方框。

真机:XT2507-5,包名 com.diysandbox.android.debug。

Lua UI 图标映射

lib/ui/lua/material_icons_map.g.dart 是生成文件,来自 Flutter SDK 的 packages/flutter/lib/src/material/icons.dart。升级 Flutter 后如需刷新,重跑生成脚本 (解析 static const IconData NAME = IconData(0xXXXX ...) → 名称/codepoint/RTL 映射)。

皮肤打包

默认皮肤 (assets/scripts/ 全量无嵌套 zip):

( cd assets/scripts && zip -r ../../build/Sandbox_Default_Demo_Skin-v$(grep '^version: ' ../../pubspec.yaml | sed 's/.*: //' | cut -d+ -f1).zip . )

空皮肤 (仅保留 agent/ sandbox/ agent.lua AGENTS.md):

( cd assets/scripts && zip -r ../../build/Sandbox_Empty_Skin-v$(grep '^version: ' ../../pubspec.yaml | sed 's/.*: //' | cut -d+ -f1).zip agent/ sandbox/ agent.lua AGENTS.md )

Read the full file on GitHub · 61 lines

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.

2mo ago First seen · 61 lines · 874 tokens per session scan A 17c6df0ae676

Subscribe to this mod's changes

Android-DIY-Sandbox AGENTS.md is an instructions file published in the GitHub repository zz6zz666/Android-DIY-Sandbox (69 stars, last pushed 3mo ago), licensed BSD-3-Clause. It adds 874 tokens to every session, about $0.0035 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.

Mobile

Android-DIY-Sandbox AGENTS.md next to 6 instructions from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
Android-DIY-Sandbox AGENTS.mdzz6zz666/Android-DIY-Sandbox	Instructions file	69	3mo ago	BSD-3-Clause	A	874	Codex, OpenCode
vscode buildNext.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	9,719	GitHub Copilot
vscode oss-third-party-notices.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	5,516	GitHub Copilot
next.js AGENTS.mdvercel/next.js	Instructions file	143k	yesterday	MIT	A	7,461	Codex, OpenCode
langchain AGENTS.mdlangchain-ai/langchain	Instructions file	149k	today	MIT	A	4,680	Codex, OpenCode
vscode copilot-instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	3,093	GitHub Copilot
vscode model-prompts.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	2,022	GitHub Copilot

Android-DIY-Sandbox: Instructions file for Codex