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Agent skill

Android Architecture

by HoangNguyen0403 in HoangNguyen0403/agent-skills-standard

Apply Clean Architecture layering, modularization, and Unidirectional Data Flow in Android projects.

MITAuto-check passedMobile

Install Android Architecture

skills CLI
$ npx skills add HoangNguyen0403/agent-skills-standard --skill android-architecture -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install HoangNguyen0403/agent-skills-standard android-architecture --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/android/android-architecture .claude/skills/android-architecture && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
android-architecture
GitHub stars
572
Token cost
~601 tokens
SKILL.md length
181 words
Files
4 (incl. references)
Skills in repo
211
Repo updated
First seen
Licence
MIT

At a glance

Apply Clean Architecture layering, modularization, and Unidirectional Data Flow in Android projects.

  • Works in 4 steps: Layer Your Project (Clean Architecture) → Modularize by Feature and Core → Enforce Unidirectional Data Flow (UDF) → …
  • Setting up project structure
  • SKILL.md covers Priority: P0 (CRITICAL), 1. Layer Your Project (Clean…, 2. Modularize by Feature and… and 3. Enforce Unidirectional Data…, plus 4 more sections
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Android Architecture is an agent skill from HoangNguyen0403/agent-skills-standard. Apply Clean Architecture layering, modularization, and Unidirectional Data Flow in Android projects. Use when setting up project structure, placing code in layers, configuring feature/core modules, or implementing UDF patterns; defer Compose state and ViewModel/StateFlow implementation to their specific skills.

Its SKILL.md is about 600 tokens, which your agent loads only when the skill is triggered. The skill folder holds 5 other files, including reference files (for example `evals/evals.json`, `references/compose-standards.md` and `references/implementation.md`).

It sits in Mobile, covering Design patterns and Android development. It works with Android. The repository describes itself as: A collection of Agent Skills Standard and Best Practice for Programming Languages, Frameworks that help our AI Agent follow best practies on frameworks and programming laguages. The licence is MIT.

When your agent uses it

  • Setting up project structure
  • Placing code in layers
  • Configuring feature/core modules
  • Implementing UDF patterns

Example prompts

  • “/android-architecture”

Workflow steps

4 steps, taken from the step headings in SKILL.md.

  1. Layer Your Project (Clean Architecture)
  2. Modularize by Feature and Core
  3. Enforce Unidirectional Data Flow (UDF)
  4. Verify Jetpack Compose Integration

What it can do on your machine

Read from SKILL.md and the folder at commit b529c2d. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Android Architecture loads about 601 tokens when it runs, and up to ~1.5k if it reads all its reference files. Until then it costs about 83 tokens; SKILL.md has 181 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~83
When it runs · the whole SKILL.md, loaded when a task matches
~601
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.5k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from HoangNguyen0403/agent-skills-standard at commit b529c2d, republished under its MIT licence (© HoangNguyen0403). 181 words, ~601 tokens.

Download SKILL.mdSave it as .claude/skills/android-architecture/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
android-architecture
description
Apply Clean Architecture layering, modularization, and Unidirectional Data Flow in Android projects. Use when setting up project structure, placing code in layers, configuring feature/core modules, or implementing UDF patterns; defer Compose state and ViewModel/StateFlow implementation to their specific skills.

Android Architecture Standards

Priority: P0 (CRITICAL)

1. Layer Your Project (Clean Architecture)

  • Domain: Pure Kotlin (No Android deps). Contains UseCases and Models.
  • Data: Repository impl, DataSources (API/DB). Maps DTO -> Domain.
  • UI: ViewModel + Composable. Maps Domain -> UiState.

See structure & examples for Clean Architecture layer examples.

2. Modularize by Feature and Core

  • Feature Modules: :feature:home, :feature:profile.
  • Core Modules: :core:ui (Design System), :core:network, :core:database.
  • App Module: DI Root and Navigation Guard.

See structure & examples for module configuration.

3. Enforce Unidirectional Data Flow (UDF)

  • Events: UI -> ViewModel (user actions flow UP).
  • State: ViewModel -> UI (StateFlow<UiState> flows DOWN).

4. Verify Jetpack Compose Integration

  • Hosting: Use setContent in Activity (No XML Layouts).
  • State: Hoist state to ViewModel using collectAsStateWithLifecycle.
  • Recomposition: Ensure Composable parameters @Stable or @Immutable.
  • Navigation: Use Compose Navigation with Type-Safe destinations.

Anti-Patterns

  • No Logic in Activity: Host Navigation only.
  • No Repo in UI: Access data exclusively via ViewModel.
  • No Context in Domain: Keep Logic Pure.

Verification

  • Domain layer has zero Android framework imports.
  • Each feature module compiles independently.
  • State flows one-way: Events UP, State DOWN.
  • ./gradlew build succeeds.

References

© HoangNguyen0403, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 3 other files (references) in skills/android/android-architecture of HoangNguyen0403/agent-skills-standard.

  • SKILL.md
  • evals/evals.json
  • references/compose-standards.md
  • references/implementation.md

Open the folder on GitHubat commit b529c2d

Compare with similar skills

Android Architecture next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Android Architecture compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Android Architecture this skillHoangNguyen0403/agent-skills-standard572—~601Automated safety check: PassMIT
Android Data Layer and Room in KMPrcosteira79/android-skills153—~1.2kAutomated safety check: PassMIT
Android Clean Architectureaffaan-m/ECC277k2 repos~1.8kAutomated safety check: PassMIT
Android Clean Architectureaffaan-m/ECC277k4 repos~2.2kAutomated safety check: PassMIT
Android and KMP Baselinercosteira79/android-skills153—~3kAutomated safety check: PassMIT
Android ArchitectureTheBushidoCollective/han198—~2.7kAutomated safety check: NotesCustom licence

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Works with

Categories

Questions about Android Architecture

What does Android Architecture do?

Apply Clean Architecture layering, modularization, and Unidirectional Data Flow in Android projects. Android Architecture is an agent skill from HoangNguyen0403/agent-skills-standard. Apply Clean Architecture layering, modularization, and Unidirectional Data Flow in Android projects.

When should I use Android Architecture?

Android Architecture fits situations like: setting up project structure; placing code in layers; configuring feature/core modules; implementing UDF patterns.

How do I install Android Architecture in Claude Code?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill android-architecture -a claude-code`. Or copy the skill folder (skills/android/android-architecture in HoangNguyen0403/agent-skills-standard) into .claude/skills/android-architecture in your project. Claude Code loads it when a task matches its description.

How do I install Android Architecture in Codex?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill android-architecture -a codex`. Or copy the skill folder (skills/android/android-architecture in HoangNguyen0403/agent-skills-standard) into .agents/skills/android-architecture in your project. Codex loads it when a task matches its description.

Can I use Android Architecture in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add HoangNguyen0403/agent-skills-standard --skill android-architecture -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/android-architecture, .gemini/skills/android-architecture, .github/skills/android-architecture and .opencode/skills/android-architecture in your project.

What does Android Architecture need to run?

SKILL.md names no scripts, command-line tools or credentials: Android Architecture is instructions for the agent only.

Does Android Architecture access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Android Architecture safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Android Architecture use?

Android Architecture is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Android Architecture use?

About 601 tokens (SKILL.md is roughly 2.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 872 tokens, read only when the agent opens those files.

What are the alternatives to Android Architecture?

Skills that share tags, products or a category with Android Architecture: Android Data Layer and Room in KMP (rcosteira79/android-skills, 153 stars), Android Clean Architecture (affaan-m/ECC, 277k stars), Android Clean Architecture (affaan-m/ECC, 277k stars) and Android and KMP Baseline (rcosteira79/android-skills, 153 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Android Architecture?

HoangNguyen0403 (a GitHub user) maintains it in HoangNguyen0403/agent-skills-standard, which has 572 GitHub stars. The repository holds 211 skills in this directory. The repository was last updated on October 9, 2026.

Source: HoangNguyen0403/agent-skills-standard on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.