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 skills/aaronbassett/agent-foundry/flutter-data-networkingnpx skills add aaronbassett/agent-foundry --skill flutter-data-networkinggit 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/skills/aaronbassett/agent-foundry/flutter-data-networking)<a href="https://agentmods.dev/skills/aaronbassett/agent-foundry/flutter-data-networking"><img src="https://agentmods.dev/badge/skills/aaronbassett/agent-foundry/flutter-data-networking.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 | $0.03845 |
| Opus 5 | $0.00024 | $0.01922 |
| Sonnet 5 | $0.00010 | $0.00769 |
| Haiku 4.5 | $0.00005 | $0.00384 |
Grade A, and why
flutter-core:flutter-data-networking 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 5d 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 — 421 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Flutter Data Networking
Master HTTP clients, REST APIs, GraphQL, WebSockets, and JSON serialization in Flutter applications.
When to Use This Skill
Use this skill when working with Flutter applications that need to:
- Make HTTP requests to REST APIs or web services
- Implement GraphQL queries, mutations, or subscriptions
- Establish real-time bidirectional communication with WebSockets
- Serialize and deserialize JSON data with type safety
- Handle network errors, timeouts, and offline scenarios
- Implement authentication and authorization headers
- Build offline-first applications with data synchronization
- Upload or download files over the network
- Create robust API clients with interceptors and middleware
Overview
Networking is fundamental to modern Flutter applications. Whether you're fetching data from a REST API, subscribing to real-time updates via WebSockets, or querying a GraphQL backend, Flutter provides powerful tools and packages to handle all networking scenarios efficiently and reliably.
This skill covers the complete spectrum of networking in Flutter, from basic HTTP requests to advanced patterns like offline-first architecture, request interceptors, and automatic retry strategies. You'll learn to choose the right networking solution for your needs and implement it following industry best practices.
HTTP Client Packages
Flutter offers multiple HTTP client options, each suited to different use cases:
http Package
The official http package is Flutter's simplest HTTP client, ideal for straightforward API calls. It provides basic GET, POST, PUT, DELETE methods with minimal configuration. Use it for simple applications or when you need a lightweight solution without advanced features.
The package is cross-platform, supporting Android, iOS, macOS, Windows, Linux, and web. However, it requires platform-specific permissions configuration, such as internet permission in AndroidManifest.xml for Android and network client entitlements for macOS.
What ships with it
8 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.
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.
- 5d ago First seen · 421 lines · 48 tokens per session scan A b3c13a48acdc
flutter-core:flutter-data-networking is a skill published in the GitHub repository aaronbassett/agent-foundry (4 stars, last pushed 20d ago), licensed MIT. It adds 48 tokens to every session and 3,845 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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