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 skills add smicolon/ai-kit --skill flutter-architecturegit clone --depth 1 https://github.com/smicolon/ai-kitWrote 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/skills/smicolon/ai-kit/flutter-architecture)<a href="https://agentmods.dev/skills/smicolon/ai-kit/flutter-architecture"><img src="https://agentmods.dev/badge/skills/smicolon/ai-kit/flutter-architecture/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.
<a href="https://agentmods.dev/skills/smicolon/ai-kit/flutter-architecture"><img src="https://agentmods.dev/badge/skills/smicolon/ai-kit/flutter-architecture.svg" alt="Reviewed on agentmods" width="80" 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 5.1 | $0.00050 | $0.00936 |
| Opus 5.5 | $0.00020 | $0.00374 |
| Sonnet 5.5 | $0.00010 | $0.00187 |
| Haiku 4.5 | $0.00005 | $0.00094 |
Grade A, and why
flutter-architecture 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.
How it starts
The opening of the file, as written. The whole thing — 128 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Flutter Architecture Patterns
Apply these patterns when designing or implementing Flutter applications.
Feature-First Project Structure
Organize Flutter projects by feature, not by layer:
lib/
├── core/ # Shared infrastructure
│ ├── constants/ # App-wide constants
│ ├── errors/ # Error classes and handling
│ ├── extensions/ # Dart extensions
│ ├── network/ # HTTP client, interceptors
│ ├── theme/ # App theme, colors, typography
│ └── utils/ # Utility functions
├── features/ # Feature modules
│ ├── auth/
│ │ ├── data/ # Data layer
│ │ │ ├── datasources/ # Remote and local data sources
│ │ │ ├── models/ # Data models (JSON serializable)
│ │ │ └── repositories/ # Repository implementations
│ │ ├── domain/ # Domain layer
│ │ │ ├── entities/ # Business entities
│ │ │ ├── repositories/ # Repository interfaces
│ │ │ └── usecases/ # Business logic
│ │ └── presentation/ # UI layer
│ │ ├── bloc/ # State management
│ │ ├── pages/ # Screen widgets
│ │ └── widgets/ # Feature-specific widgets
│ └── [other_features]/
├── shared/ # Shared UI components
│ ├── widgets/ # Reusable widgets
│ └── services/ # Shared services
└── main.dart
Clean Architecture Layers
Dependency Rule
- Presentation → Domain ← Data
- Domain has NO external dependencies
- Data implements Domain interfaces
Layer Responsibilities
Presentation: UI components, state management, user interaction handling Domain: Business entities, use cases, repository contracts Data: API calls, local storage, data transformation
State Management Selection
Use Bloc When:
- Building enterprise applications
- Need explicit state transitions
- Complex business logic with multiple states
- Team prefers reactive programming patterns
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.
- 1mo ago First seen · 128 lines · 50 tokens per session scan A ed6791aa4202
flutter-architecture is a skill published in the GitHub repository smicolon/ai-kit (6 stars, last pushed 1mo ago), licensed MIT. It adds 50 tokens to every session and 936 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 2026-08-31.
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