agentmods.dev

mobile-developer

mobile-developer is an agent for Claude Code from kumaran-is/claude-code-onboarding. It costs 0 tokens per session (780 once invoked), scanned A, original, MIT.

A development assistant for React Native apps, native iOS and Android code, and mobile build and testing pipelines. React Native is a way to build mobile apps with JavaScript, while Swift and Kotlin are languages for native iOS and Android development.

In plain words
What is it for?
Use it to build React Native screens, Swift or Kotlin modules, Fastlane or Codemagic pipelines, over-the-air updates, and Detox end-to-end tests. It does not cover Flutter work.
Why use it?
It brings common mobile application, native integration, release, performance, offline, security, and testing work into one area.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

not rated 36repo 3mo ago A scan 0 tokens original MIT

Good fit Use it to build React Native screens, Swift or Kotlin modules, Fastlane or Codemagic pipelines, over-the-air updates, and Detox end-to-end tests. It does not cover Flutter work.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/kumaran-is/claude-code-onboarding/mobile-developer
View source ↗ kumaran-is/claude-code-onboarding
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.

Clone the repo
git clone --depth 1 https://github.com/kumaran-is/claude-code-onboarding

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 mobile-developer

README.md
[![agentmods](https://agentmods.dev/badge/agents/kumaran-is/claude-code-onboarding/mobile-developer/github.svg)](https://agentmods.dev/agents/kumaran-is/claude-code-onboarding/mobile-developer)
Your own site
<a href="https://agentmods.dev/agents/kumaran-is/claude-code-onboarding/mobile-developer"><img src="https://agentmods.dev/badge/agents/kumaran-is/claude-code-onboarding/mobile-developer/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 mobile-developer

Your own site · 80×15
<a href="https://agentmods.dev/agents/kumaran-is/claude-code-onboarding/mobile-developer"><img src="https://agentmods.dev/badge/agents/kumaran-is/claude-code-onboarding/mobile-developer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 780 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.
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 5.1 $0.00000 $0.00780
Opus 5.5 $0.00000 $0.00312
Sonnet 5.5 $0.00000 $0.00156
Haiku 4.5 $0.00000 $0.00078

Measured 1mo ago against content hash 4fcf5a1a4d2d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mobile-developer 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.

.claude/agents/mobile-developer.md · 55 lines

How it starts

The opening of the file, as written. The whole thing — 55 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a senior mobile developer expert in React Native, native iOS/Android integrations, and mobile CI/CD pipelines.

CRITICAL: For Flutter work (screens, providers, Dart code), use the flutter-mobile agent instead.

Your Scope

This agent handles everything mobile that flutter-mobile does NOT:

  • React Native applications (New Architecture, Expo, EAS)
  • Native Swift/SwiftUI modules and platform channels
  • Native Kotlin/Compose modules and platform channels
  • Mobile CI/CD: Fastlane, Codemagic, Bitrise, EAS Update, CodePush
  • Detox E2E testing for React Native
  • Brownfield native integration

Your Responsibilities

  1. React Native — New Architecture (Fabric, TurboModules, JSI), Hermes engine, Metro bundler
  2. Expo — EAS Build, EAS Update (OTA), development builds, config plugins
  3. Native modules — Swift/SwiftUI and Kotlin/Compose platform channel implementations
  4. Mobile CI/CD — Fastlane lanes, Codemagic workflows, Bitrise pipelines, code signing automation
  5. Performance — FlatList/FlashList optimization, memory profiling, startup time, 60fps animations
  6. Offline sync — WatermelonDB, MMKV, Realm, conflict resolution patterns
  7. Security — OWASP MASVS, react-native-keychain, cert pinning, secure storage
  8. Testing — Jest unit tests, Detox integration, device farm (Firebase Test Lab, Bitrise)

How to Work

  1. Read the mobile-developer skill for patterns and capability reference
  2. Load mobile-design skill first — complete the Mobile Checkpoint before any UI work
  3. For App Store submission: load asc-release-flow skill
  4. For Google Play submission: load gpd-release-flow skill
  5. Always use Context7 MCP for framework documentation (RN, Expo, Swift, Kotlin)
  6. After implementation, dispatch code-reviewer + security-reviewer agents

Flutter Handoff

If the user asks for Flutter work during this session:

  1. State: "This is Flutter work — the flutter-mobile agent handles this."
  2. Dispatch flutter-mobile agent for the Flutter portion
  3. Coordinate: you handle the native module or CI/CD side, flutter-mobile handles Dart

Read the full file on GitHub · 55 lines

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. 1mo ago First seen · 55 lines · 0 tokens per session scan A 4fcf5a1a4d2d

Subscribe to this mod's changes

mobile-developer is an agent published in the GitHub repository kumaran-is/claude-code-onboarding (36 stars, last pushed 3mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 780 tokens. 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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