Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add instructions/deltazefiro/amarok-hider/agents-mdgit clone --depth 1 https://github.com/deltazefiro/Amarok-HiderWhat 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 | $0.00467 | $0.00467 |
| Opus 5 | $0.00234 | $0.00234 |
| Sonnet 5 | $0.00093 | $0.00093 |
| Haiku 4.5 | $0.00047 | $0.00047 |
Grade A, and why
Amarok-Hider 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 yesterday.
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.
What it actually says
Amarok
Amarok is a lightweight Android app that hides files and applications for casual privacy needs. Instead of encryption, it manages file and app visibility using various techniques.
Project Overview
See @.cursor/rules/overview.mdc
Build
Requires JDK 17+:
./gradlew assemble # Build APKs
# Output: app/build/outputs/apk/{flavor}/{debug|release}/Amarok-v{version}+{commit}-{flavor}.apk
# Example (foss debug): app/build/outputs/apk/foss/debug/Amarok-v0.10.0+caa1716-foss.apk
Note: ./gradlew build includes lint checks (mostly missing translations warnings), use assemble instead.
E2E Test
- Launch AVD (if not already running)
Check if device running with mcp
mobile_list_available_devices(more reliable thanadb devices). If not, start AVD with:emulator -avd android_16_avd -no-window -no-audio -no-boot-anim -gpu swiftshader_indirect # Runs in background, wait ~30s until "mobile_list_available_devices" shows "emulator-*" - Install the latest build of the app with adb.
- Spawn agent
mobile-e2e-testerto test the app.- Package name: Use
deltazero.amarok.fossfor FOSS flavor builds (notdeltazero.amarok) - Note: Each agent invocation should test one simple, focused task. For complex test plans, decompose into multiple simple tasks and run agents sequentially. The agent only test user-facing behavior (black-box approach).
- Package name: Use
Agent Rules
- Update @.cursor/rules/overview.mdc to reflect structural changes. Keep it as a concise index.
- Modify @.claude/settings.local.json for permission updates. A restart of Claude Code is required to take effect.
- For temporary files, always use
./tmpfolder under project root to avoid sandbox permission issues. Do not use/tmpor other system temp directories.
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.
- yesterday First seen · 37 lines · 467 tokens per session scan A ab4830ac8645
Amarok-Hider AGENTS.md is an instructions file published in the GitHub repository deltazefiro/Amarok-Hider (3,220 stars, last pushed 21d ago), licensed Apache-2.0. It adds 467 tokens to every session, about $0.0023 per session on Opus 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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