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 skills add Desquared/agents-rules-skills --skill android-performance-profilergit clone --depth 1 https://github.com/Desquared/agents-rules-skillsWrote 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.
[](https://agentmods.dev/skills/desquared/agents-rules-skills/android-performance-profiler)<a href="https://agentmods.dev/skills/desquared/agents-rules-skills/android-performance-profiler"><img src="https://agentmods.dev/badge/skills/desquared/agents-rules-skills/android-performance-profiler/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.
<a href="https://agentmods.dev/skills/desquared/agents-rules-skills/android-performance-profiler"><img src="https://agentmods.dev/badge/skills/desquared/agents-rules-skills/android-performance-profiler.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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 | $0.00050 | $0.00462 |
| Opus 5.5 | $0.00020 | $0.00185 |
| Sonnet 5.5 | $0.00010 | $0.00092 |
| Haiku 4.5 | $0.00005 | $0.00046 |
Grade A, and why
android-performance-profiler 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 1mo 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.
What it actually says
Performance Profiler (Android)
Checklist
Recompositions
- Composables only recompose when state changes
- State properly scoped with
remember - Stable item keys in LazyColumn
- Annotate custom data classes with
@Stableor@Immutable - Defer state reads (wrap in lambdas where possible)
- Avoid backwards writes (never write to a state that was already read higher in the same composable)
Lists
- Use
LazyColumnnotColumn + verticalScrollfor large data - Stable keys via
key()parameter - Lightweight item composables
Memory
- No memory leaks (avoid Activity/View refs)
- Use Coil/Glide for image loading with caching
- Proper lifecycle management
Body Computation
- No heavy work in composable body
- Use
rememberfor expensive calculations - Use
derivedStateOffor derived state
Quick Wins
| Issue | Fix |
|---|---|
| Parent recomposes | Extract stable child composables |
| Expensive body | Use remember or derivedStateOf |
| Unstable IDs | Use stable keys in LazyColumn |
| Memory leak | Avoid storing Activity/View references |
| Broad recomposition | Narrow state scope |
| Unstable custom types causing broad recompositions | Add @Stable/@Immutable |
| Backwards write or immediate state read | Defer with lambda or derivedStateOf |
Debug
Use Layout Inspector → Recomposition Counts to visualize recompositions
Use Compose Compiler Metrics report (stability analysis)
Enable Composition Tracing in Layout Inspector
Severity
- 🔴 Critical: Visible lag, leaks
- 🟡 Moderate: Noticeable impact
- 🟢 Minor: Optimization opportunity
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.
- 1mo ago First seen · 55 lines · 50 tokens per session scan A 6a9bb0aaa5f1
android-performance-profiler is a skill published in the GitHub repository Desquared/agents-rules-skills (4 stars, last pushed 17d ago), licensed MIT. It adds 50 tokens to every session and 462 once invoked, about $0.0002 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 2026-08-31.
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