claude-forge: Skill for Claude Code

.claude/skills/scaffold-flutter-riverpod/SKILL.md

scaffold-flutter-riverpod is a skill for Claude Code from arunanksharan/claude-forge. It costs 88 tokens per session (442 once invoked), scanned A, original, Unlicense.

A project scaffold for a new Flutter mobile app using Riverpod 2, generated code, immutable data models, typed network clients, local storage and feature-based folders. Flutter is Google's toolkit for building mobile apps from one codebase.

In plain words
What is it for?
Use it to create a Flutter project with optional authentication and local storage, an example authentication feature, routing, networking, linting and generated code, then check it with analysis, tests and a simulator run.
Why use it?
It provides a defined starting structure and selected libraries, reducing the setup work before app features can be built.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is arunanksharan/claude-forge's own configuration. It tells Claude Code how to work on claude-forge itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything claude-forge configures →

Reuse

Borrowing it

Nothing to install: this file belongs to arunanksharan/claude-forge. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/arunanksharan/claude-forge/main/.claude/skills/scaffold-flutter-riverpod/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/arunanksharan/claude-forge

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 scaffold-flutter-riverpod

README.md
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Your own site
<a href="https://agentmods.dev/skills/arunanksharan/claude-forge/scaffold-flutter-riverpod"><img src="https://agentmods.dev/badge/skills/arunanksharan/claude-forge/scaffold-flutter-riverpod/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 scaffold-flutter-riverpod

Your own site · 80×15
<a href="https://agentmods.dev/skills/arunanksharan/claude-forge/scaffold-flutter-riverpod"><img src="https://agentmods.dev/badge/skills/arunanksharan/claude-forge/scaffold-flutter-riverpod.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 88 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 442 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 $0.00088 $0.00442
Opus 5.5 $0.00035 $0.00177
Sonnet 5.5 $0.00018 $0.00088
Haiku 4.5 $0.00009 $0.00044

Measured 2mo ago against content hash 2ffa490d0b09, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

scaffold-flutter-riverpod 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 2mo 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.

.claude/skills/scaffold-flutter-riverpod/SKILL.md · 24 lines

What it actually says

Scaffold Flutter Project — Riverpod (claudeforge)

Follow the master prompt at mobile/flutter-riverpod/PROMPT.md. Steps:

  1. Confirm parameters: app_name (snake_case), package_id (com.x.y), description, include auth / local DB flags, api_base_url.
  2. Read mobile/flutter-riverpod/PROMPT.md — full directory tree, locked stack, layer rules, key files (pubspec.yaml, analysis_options.yaml, main.dart, app.dart, dio_client, auth feature end-to-end).
  3. Generate:
    • flutter create --org {{com.example}} --project-name {{app-name}} {{app-name}}
    • Replace pubspec.yaml with locked stack
    • flutter pub get
    • Create directory tree under lib/ per the prompt
    • Write core/ files: env, theme, network (dio + interceptors), routing (go_router), storage
    • Write one feature module (auth/) end-to-end: model (freezed) → repository → @riverpod controller → screen
    • Run dart run build_runner build --delete-conflicting-outputs to generate freezed/riverpod/retrofit code
  4. Verify: flutter analyze clean, flutter test passes, flutter run works on simulator.
  5. Hand off: setup steps.

Do NOT use the legacy provider package, GetX, MobX, or Bloc (point to mobile/flutter-bloc/ if user wants Bloc). Strict feature-first folders with the data/domain/application/presentation split.

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. 2mo ago First seen · 24 lines · 88 tokens per session scan A 2ffa490d0b09

Subscribe to this mod's changes

scaffold-flutter-riverpod is a skill published in the GitHub repository arunanksharan/claude-forge (2 stars, last pushed 6mo ago), licensed Unlicense. It adds 88 tokens to every session and 442 once invoked, about $0.0004 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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