generating-rn-features

generating-rn-features is a skill for Claude Code, Codex from narpatsinghpurohit/tstack. It costs 66 tokens per session (1,308 once invoked), scanned A, original, MIT.

A pattern for adding React Native features, which are mobile-app features built with JavaScript or TypeScript. Each feature is split into a hook for logic, a view for display, a glue file connecting them, and a public index file.

In plain words
What is it for?
Use it when adding a new mobile screen, feature, or section, while reusing the project's shared UI components and schemas.
Why use it?
It gives new mobile features a consistent structure and keeps display code separate from business logic. The view is intended to receive props rather than manage application hooks.

Skill for Claude CodeCodex

Install

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.

agentmods
npx agentmods add skills/narpatsinghpurohit/tstack/generating-rn-features
Any agent
npx skills add narpatsinghpurohit/tstack --skill generating-rn-features
Clone the repo
git clone --depth 1 https://github.com/narpatsinghpurohit/tstack

Made for: Claude Code, Codex.

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 generating-rn-features

README.md
[![agentmods](https://agentmods.dev/badge/skills/narpatsinghpurohit/tstack/generating-rn-features.svg)](https://agentmods.dev/skills/narpatsinghpurohit/tstack/generating-rn-features)
Your own site
<a href="https://agentmods.dev/skills/narpatsinghpurohit/tstack/generating-rn-features"><img src="https://agentmods.dev/badge/skills/narpatsinghpurohit/tstack/generating-rn-features.svg" alt="Measured on agentmods" height="20"></a>
Per session 66 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,308 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original 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 $0.00066 $0.01308
Opus 5 $0.00033 $0.00654
Sonnet 5 $0.00013 $0.00262
Haiku 4.5 $0.00007 $0.00131

Measured 4d ago against content hash e4d6eddeb1f2, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

generating-rn-features 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.

.claude/skills/generating-rn-features/SKILL.md · 117 lines

How it starts

The opening of the file, as written. The whole thing — 117 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Live Context

  • Existing features: !ls apps/mobile/src/features/ 2>/dev/null || echo "no features yet"
  • Existing navigation: !ls apps/mobile/src/navigation/ 2>/dev/null || echo "no navigation yet"
  • Available UI components: !ls apps/mobile/src/components/ui/ 2>/dev/null || echo "no components — run: bunx --bun @react-native-reusables/cli@latest add <component>"
  • Shared schemas: !ls packages/shared/src/schemas/ 2>/dev/null || echo "check shared/"

Task

Create feature: $ARGUMENTS


Generating React Native Features

The Pattern

Every feature uses exactly 3 files + index. No exceptions.

features/<feature-name>/
├── <name>.hook.ts       # Business logic (custom hook)
├── <name>.view.tsx      # Pure UI (props only, ZERO hooks)
├── <name>.tsx           # Glue: calls hook, renders view
├── index.ts             # Public API
├── _components/         # Private sub-components (CAN use hooks)
└── _hooks/              # Private helper hooks

UI Components — React Native Reusables

Use shadcn/ui components ported for React Native. Components live in apps/mobile/src/components/ui/.

Adding components (if not already present)

cd apps/mobile
bunx --bun @react-native-reusables/cli@latest add button input label card dialog separator avatar badge text

Key import pattern

import { Button } from "@/components/ui/button";
import { Text } from "@/components/ui/text";
import { Input } from "@/components/ui/input";
import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";

RN-specific component rules

  • Always wrap text in <Text> — RN does not support bare strings inside components
  • Button requires <Text> child<Button><Text>Submit</Text></Button>
  • Dialog/DropdownMenu/Select need PortalHost in root layout
  • Label uses nativeID not htmlFor<Label nativeID="email">Email</Label>
  • Input uses aria-labelledby<Input aria-labelledby="email" />

Rules (non-negotiable)

Read the full file on GitHub · 117 lines

Files

What ships with it

3 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. 4d ago First seen · 117 lines · 66 tokens per session scan A e4d6eddeb1f2

Subscribe to this mod's changes

generating-rn-features is a skill published in the GitHub repository narpatsinghpurohit/tstack (5 stars, last pushed 5mo ago), licensed MIT. It adds 66 tokens to every session and 1,308 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 2026-08-31.

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