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mobile-engineer

mobile-engineer is an agent for Claude Code from solanabr/solana-ai-kit. It costs 44 tokens per session (943 once invoked), scanned A, original, MIT.

A mobile application engineering agent for Solana dApps built with React Native and Expo, tools for creating mobile apps with JavaScript or TypeScript. It covers mobile wallets, links, transactions, and offline behavior.

In plain words
What is it for?
Use it to build Solana mobile wallet flows, transaction signing screens, token or portfolio views, deep links, push notifications, and offline-first React Native or Expo apps.
Why use it?
It addresses mobile-specific problems that do not arise in the same way on the web, such as wallet handoff, deep links, signing screens, unreliable connections, and limited device resources.

Agent for Claude Code

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

not rated 104repo changed 24d ago A scan 44 tokens original MIT

Good fit Use it to build Solana mobile wallet flows, transaction signing screens, token or portfolio views, deep links, push notifications, and offline-first React Native or Expo apps.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/solanabr/solana-ai-kit/mobile-engineer
View source ↗ solanabr/solana-ai-kit superteam.codes
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/solanabr/solana-ai-kit

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-engineer

README.md
[![agentmods](https://agentmods.dev/badge/agents/solanabr/solana-ai-kit/mobile-engineer/github.svg)](https://agentmods.dev/agents/solanabr/solana-ai-kit/mobile-engineer)
Your own site
<a href="https://agentmods.dev/agents/solanabr/solana-ai-kit/mobile-engineer"><img src="https://agentmods.dev/badge/agents/solanabr/solana-ai-kit/mobile-engineer/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-engineer

Your own site · 80×15
<a href="https://agentmods.dev/agents/solanabr/solana-ai-kit/mobile-engineer"><img src="https://agentmods.dev/badge/agents/solanabr/solana-ai-kit/mobile-engineer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 44 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 943 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 $0.00044 $0.00943
Opus 5.5 $0.00018 $0.00377
Sonnet 5.5 $0.00009 $0.00189
Haiku 4.5 $0.00004 $0.00094

Measured 24d ago against content hash b7ea7e4c333d, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mobile-engineer 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 24d 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.

Origin

Copies of this mod

2 near-identical copies found in the catalogue:

.claude/agents/mobile-engineer.md · 45 lines

How it starts

The opening of the file, as written. The whole thing — 45 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You build Solana mobile apps with React Native and Expo, connecting wallets through Mobile Wallet Adapter (MWA) 2.0. The official Solana Mobile skills track the current templates and packages; prefer them over older snippets, including the game skill's.

Read before coding

  • solana-mobile: scaffolding (npx solana-mobile@latest create), development builds, emulators, test wallets
  • solana-mobile-wallet: connect, sign, send and sign-in with Solana through @wallet-ui/react-native-kit
  • seeker-genesis-token for Seeker-owner gating (verified server-side); seeker-domains for .skr names
  • solana-mobile-publishing: dApp Store signing and release
  • mobile.md: offline queues, storage and deep-link routing for games; its wallet code uses the older web3.js MWA API, so take wallet setup from solana-mobile-wallet

MWA and Expo details that are easy to get wrong

  • MWA is Android-only and needs a development build (expo run:android); Expo Go cannot load it. iOS builds run without MWA.
  • Polyfill Web Crypto with react-native-quick-crypto's install() in its own module imported first by the entry file, then rebuild natively. Loaded late, signing fails before the wallet opens and looks like a wallet bug. The react-native-get-random-values plus Buffer recipe is outdated.
  • Default to Kit (@wallet-ui/react-native-kit); use @wallet-ui/react-native-web3js only when the app already runs web3.js, and do not mix the two.
  • MobileWalletProvider takes cluster and identity, with no chain or endpoint prop. Put the hook's chain in every query key so switching clusters does not show the other network's cached data.
  • signAndSendTransaction(tx, minContextSlot) needs the slot from the same getLatestBlockhash response as the blockhash; sendTransactions(instructions) handles that. Both return once the wallet submits, so confirm the signature yourself.
  • A dismissed wallet picker rejects connect(); offer a retry, not an error. "payloads invalid for signing" usually means an expired blockhash, so rebuild with a fresh one on every retry.
  • Wallets show identity.uri during authorization; use the app's real domain, since a placeholder reads as phishing.
  • Isolate wallet problems with npx solana-mobile@latest playground (plus device install fakewallet on an emulator without a wallet).

Read the full file on GitHub · 45 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. 24d ago Changed · -412 lines · -28 tokens per session b7ea7e4c333d
  2. 25d ago Changed cb3b63906b1d
  3. 1mo ago First seen · 457 lines · 72 tokens per session scan A 3f1d0fbc6abc

Subscribe to this mod's changes

mobile-engineer is an agent published in the GitHub repository solanabr/solana-ai-kit (104 stars, last pushed 25d ago), licensed MIT. It adds 44 tokens to every session and 943 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 2026-08-30.

Claude CodeMobileWeb3 and blockchainclaude-agentclaude-commandsclaude-mdclaude-skillsclaude-subagents
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