android: Skill for Claude Code

.claude/skills/testing-android-code/SKILL.md

testing-android-code is a skill for Claude Code from bitwarden/android. It costs 111 tokens per session (2,728 once invoked), scanned A, original, GPL-3.0.

An Android testing skill for Bitwarden that helps write or review tests using the project’s testing helpers and conventions. The description names specific test classes, flows, fakes, and assertion utilities it covers.

In plain words
What is it for?
Writing and reviewing tests for Bitwarden Android code, including view models, Compose screens, services, events, coroutines, and test data.
Why use it?
It helps tests follow the project’s established patterns instead of using incompatible or inconsistent setup.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

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

About the project

Bitwarden Android is the Android application codebase for Bitwarden Password Manager and Authenticator. Android developers use it to build and maintain the mobile apps for phones and tablets, and the catalogue entries provide development skills, commands, settings, and integrations for the project.

bitwarden/android · 9,558 stars · on GitHub · bitwarden.com

Reuse

Borrowing it

Nothing to install: this file belongs to bitwarden/android. 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/bitwarden/android/main/.claude/skills/testing-android-code/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/bitwarden/android

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 testing-android-code

README.md
[![agentmods](https://agentmods.dev/badge/skills/bitwarden/android/testing-android-code/github.svg)](https://agentmods.dev/skills/bitwarden/android/testing-android-code)
Your own site
<a href="https://agentmods.dev/skills/bitwarden/android/testing-android-code"><img src="https://agentmods.dev/badge/skills/bitwarden/android/testing-android-code/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 testing-android-code

Your own site · 80×15
<a href="https://agentmods.dev/skills/bitwarden/android/testing-android-code"><img src="https://agentmods.dev/badge/skills/bitwarden/android/testing-android-code.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 111 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,728 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Prompt Injection · line 252
    Subtle instructions detected that may alter agent decision-making or introduce hidden biases.
    Fix: Review content for implicit steering or bias. Ensure instructions are explicit and align with the skill's stated purpose.
How audits are shown
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 $0.00111 $0.02728
Opus 5.5 $0.00044 $0.01091
Sonnet 5.5 $0.00022 $0.00546
Haiku 4.5 $0.00011 $0.00273

Measured 2mo ago against content hash 33f929088461, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

testing-android-code 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/skills/testing-android-code/SKILL.md · 324 lines

The source is not reproduced here

Licensed GPL-3.0

The repository is licensed GPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

Files

What ships with it

6 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 · 324 lines · 111 tokens per session scan A 33f929088461

Subscribe to this mod's changes

testing-android-code is a skill published in the GitHub repository bitwarden/android (9,558 stars, last pushed yesterday), licensed GPL-3.0. It adds 111 tokens to every session and 2,728 once invoked, about $0.0004 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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