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 skills/software-mansion/argent/argent-react-native-profilernpx skills add software-mansion/argent --skill argent-react-native-profilergit clone --depth 1 https://github.com/software-mansion/argentWrote 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/software-mansion/argent/argent-react-native-profiler)<a href="https://agentmods.dev/skills/software-mansion/argent/argent-react-native-profiler"><img src="https://agentmods.dev/badge/skills/software-mansion/argent/argent-react-native-profiler.svg" alt="Measured on agentmods" 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 | $0.00057 | $0.03176 |
| Opus 5 | $0.00028 | $0.01588 |
| Sonnet 5 | $0.00011 | $0.00635 |
| Haiku 4.5 | $0.00006 | $0.00318 |
Grade A, and why
argent-react-native-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 4d 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.
How it starts
The opening of the file, as written. The whole thing — 165 lines — stays where its author put it; the contents beside it link to each section on GitHub.
This skill is complementary to argent-react-native-optimization, not a replacement for it.
2. Tool Overview
React Profiler (Hermes / React commits)
| Tool | Purpose |
|---|---|
react-profiler-start |
Start CPU sampling + inject React commit-capture hook. Optional: sample_interval_us (default 100). |
react-profiler-stop |
Stop recording; stores cpuProfile + commitTree in session. |
react-profiler-status |
Call if you were interrupted in the middle of the flow, never in another scenario (debugger drop, Metro reload, pause, subagent handoff, any doubt). Returns session_status: "active" | "taken_over" | "stopped" | "no_react_runtime". Side-effect free. |
react-profiler-analyze |
Run pipeline -> report with CPU-enriched hot commits, sorted by totalRenderMs DESC. Saves raw data to disk. |
react-profiler-component-source |
AST lookup: file, line, memoization status, 50 lines of source for a component. |
react-profiler-renders |
Live fiber walk: render counts + durations per component (no profiling session required). |
react-profiler-fiber-tree |
Live fiber walk: full component hierarchy as JSON. |
What ships with it
1 file 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.
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.
- 4d ago First seen · 165 lines · 57 tokens per session scan A 808c2224e48a
argent-react-native-profiler is a skill published in the GitHub repository software-mansion/argent (2,345 stars, last pushed yesterday), licensed Apache-2.0. It adds 57 tokens to every session and 3,176 once invoked, about $0.0003 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.
Other skills, from other repositories
truesheet-usage
Consumer-side guide for integrating @lodev09/react-native-true-sheet into a React Native app. Use this skill whenever the user wants to add, configure, control, or debug a bottom sheet using TrueSheet — including ref-based sheets, named global sheets, web support with TrueSheetProvider/useTrueSheet, React Navigation…
uniwind
Uniwind — Tailwind CSS v4 styling for React Native. Use when adding, building, or debugging components in a React Native project that uses Uniwind classNames. Covers setup, Metro config, global.css, theming, className props, accent- color props, platform/data/state/responsive variants, CSS variables, custom utilities…
migrate-nativewind-to-uniwind
Migrate a React Native project from NativeWind to Uniwind. Use when the user wants to replace NativeWind with Uniwind, upgrade from NativeWind, switch to Uniwind, or mentions NativeWind-to-Uniwind migration. Handles package removal, config migration, Tailwind 4 upgrade, cssInterop removal, theme conversion, and all…
react-native-docs
Comprehensive React Native reference covering core components, APIs, styling, flexbox, navigation, networking, animations, platform-specific code, debugging, performance, TypeScript integration, Fast Refresh, environment setup, React fundamentals, running on devices, and the New Architecture (Fabric, JSI…
mobile
Mobile development with React Native, Flutter, and native patterns.
mobile-developer
Expert in React Native, Expo, and cross-platform mobile development.