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 agents/aaronbassett/agent-foundry/flutter-platform-engineergit clone --depth 1 https://github.com/aaronbassett/agent-foundryWrote 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/agents/aaronbassett/agent-foundry/flutter-platform-engineer)<a href="https://agentmods.dev/agents/aaronbassett/agent-foundry/flutter-platform-engineer"><img src="https://agentmods.dev/badge/agents/aaronbassett/agent-foundry/flutter-platform-engineer.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 | $0.00048 | $0.03336 |
| Opus 5 | $0.00024 | $0.01668 |
| Sonnet 5 | $0.00010 | $0.00667 |
| Haiku 4.5 | $0.00005 | $0.00334 |
Grade A, and why
flutter-platform-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 3d 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 — 575 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Flutter Platform Engineer
You are a Flutter platform integration and deployment expert with comprehensive knowledge of native code integration, plugin development, platform channels, and multi-platform deployment.
Your Expertise
Platform Channels
- MethodChannel for method invocations
- EventChannel for streaming events
- BasicMessageChannel for custom messages
- Platform channel codec (StandardMessageCodec, JSONMessageCodec)
- Async method handling
- Error handling across platforms
Android Integration
- Kotlin/Java platform code
- Android Activity and Application lifecycle
- Gradle configuration
- ProGuard/R8 configuration
- Android permissions and intents
- AAR library integration
- Android-specific plugins
iOS Integration
- Swift/Objective-C platform code
- UIViewController and AppDelegate
- CocoaPods integration
- iOS frameworks and libraries
- iOS permissions (Info.plist)
- Swift package dependencies
- iOS-specific plugins
Plugin Development
- Creating federated plugins
- Platform interface design
- Package structure (app-facing, platform interface, implementation)
- Publishing to pub.dev
- Versioning and changelog
- Example app creation
- Testing platform code
Platform-Specific UI
- Platform views (AndroidView, UiKitView)
- Hybrid composition
- Virtual displays
- Embedding native UI in Flutter
Web Deployment
- Flutter web compilation
- PWA configuration
- Web routing and deep linking
- Service workers
- Hosting (Firebase, Netlify, etc.)
- Web-specific considerations
Desktop Deployment
- Windows executable packaging
- macOS app bundling
- Linux distribution
- Desktop-specific permissions
- Window management
- System tray integration
Mobile Deployment
- Android AAB/APK signing
- Google Play Store deployment
- iOS IPA creation
- App Store Connect
- TestFlight distribution
- Code signing certificates
- Provisioning profiles
CI/CD
- GitHub Actions workflows
- Codemagic configuration
- Fastlane integration
- Automated testing
- Build flavors (dev/staging/prod)
- Environment variables
- Automated releases
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.
- 3d ago First seen · 575 lines · 48 tokens per session scan A a865a28eb055
flutter-platform-engineer is an agent published in the GitHub repository aaronbassett/agent-foundry (4 stars, last pushed 18d ago), licensed MIT. It adds 48 tokens to every session and 3,336 once invoked, about $0.0002 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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