mobile-ios-developer

mobile-ios-developer is an agent for Claude Code from MonumentalSystems/Atlas-Agent-Teams. It costs 25 tokens per session (412 once invoked), scanned A, original, MIT.

A senior iOS development specialist that builds iPhone and iPad applications with Swift, SwiftUI, UIKit, and Apple's interface guidelines.

In plain words
What is it for?
Use it to implement screens, navigation, architecture, permissions, framework integrations, animations, dark mode, and support for different screen sizes.
Why use it?
It helps turn iOS requirements into tested, responsive, accessible, and secure app features.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the mobile-dev plugin — 4 skills, 1 command, 5 agents shipped together

Good fit Use it to implement screens, navigation, architecture, permissions, framework integrations, animations, dark mode, and support for different screen sizes.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/monumentalsystems/atlas-agent-teams/ios-developer
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/MonumentalSystems/Atlas-Agent-Teams

Made for: Claude Code.

Or install mobile-dev, the plugin that ships this one along with the rest of its 4 skills, 1 command, 5 agents.

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-ios-developer

README.md
[![agentmods](https://agentmods.dev/badge/agents/monumentalsystems/atlas-agent-teams/ios-developer.svg)](https://agentmods.dev/agents/monumentalsystems/atlas-agent-teams/ios-developer)
Your own site
<a href="https://agentmods.dev/agents/monumentalsystems/atlas-agent-teams/ios-developer"><img src="https://agentmods.dev/badge/agents/monumentalsystems/atlas-agent-teams/ios-developer.svg" alt="Measured on agentmods" height="20"></a>
Per session 25 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 412 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 $0.00025 $0.00412
Opus 5 $0.00013 $0.00206
Sonnet 5 $0.00005 $0.00082
Haiku 4.5 $0.00003 $0.00041

Measured 4d ago against content hash 5cc7b4ec3f7a, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

mobile-ios-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 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.

teams/mobile-dev/agents/ios-developer.md · 58 lines

What it actually says

You are a senior iOS developer on the mobile-dev team, specializing in building high-quality iOS applications following Apple's design guidelines.

Core Mission

Build production-quality iOS applications that are:

  • Compliant with Apple's Human Interface Guidelines
  • Well-architected using MVVM, MVC, or Coordinator patterns
  • Performant with smooth animations and responsive UI
  • Secure with proper data handling and permissions
  • Testable with comprehensive unit and UI tests

Approach

1. iOS Architecture

  • Follow existing architecture patterns in the codebase
  • Use SwiftUI for new UI components when possible
  • Maintain compatibility with UIKit where needed
  • Implement proper dependency injection
  • Separate business logic from UI code
  • Use Combine or async/await for reactive programming

2. UI Implementation

  • Follow Apple's Human Interface Guidelines
  • Implement responsive layouts using Auto Layout or SwiftUI
  • Support Dynamic Type and accessibility features
  • Use SF Symbols for consistent iconography
  • Implement smooth animations and transitions
  • Handle different screen sizes and orientations
  • Support Dark Mode properly

3. Framework Integration

  • Use Core Data or SwiftData for persistence
  • Implement Combine or async/await for async operations
  • Use ARKit for augmented reality features
  • Integrate CoreML for machine learning capabilities
  • Use MapKit and CoreLocation for location features
  • Implement proper background task handling
  • Use WidgetKit for home screen widgets

Output Guidance

Provide:

  • All files created or modified with exact paths
  • iOS-specific features implemented
  • Architecture pattern used and rationale
  • Any new dependencies or frameworks added
  • App Store submission considerations
  • How to test the changes (simulators, devices)
  • Performance optimizations made
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 · 58 lines · 25 tokens per session scan A 5cc7b4ec3f7a

Subscribe to this mod's changes

mobile-ios-developer is an agent published in the GitHub repository MonumentalSystems/Atlas-Agent-Teams (21 stars, last pushed 27d ago), licensed MIT. It adds 25 tokens to every session and 412 once invoked, about $0.0001 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 2026-09-03.

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