building-shadcn-flutter-ui

building-shadcn-flutter-ui is a skill for Claude Code, Codex from Poorgramer-Zack/dart-expert-skills. It costs 43 tokens per session (514 once invoked), scanned A, original, MIT.

A guide for building Flutter interfaces with Shadcn UI, a customisable design system with reusable interface components. It covers themes, typography, forms, dialogs, sheets, and notifications across Flutter's supported UI styles.

In plain words
What is it for?
Use it to set up Shadcn UI, define colours and themes, build responsive screens, create validated forms, and add standard overlays and user feedback.
Why use it?
It helps keep screens visually consistent and makes common interface elements easier to reuse and customise. It also includes shared form validation and accessibility-focused practices.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to set up Shadcn UI, define colours and themes, build responsive screens, create validated forms, and add standard overlays and user feedback.

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Install with agentmods
npx agentmods add skills/poorgramer-zack/dart-expert-skills/shadcn-flutter
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.

Any agent
npx skills add Poorgramer-Zack/dart-expert-skills --skill shadcn-flutter
Clone the repo
git clone --depth 1 https://github.com/Poorgramer-Zack/dart-expert-skills

Made for: Claude Code, Codex.

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 building-shadcn-flutter-ui

README.md
[![agentmods](https://agentmods.dev/badge/skills/poorgramer-zack/dart-expert-skills/shadcn-flutter/github.svg)](https://agentmods.dev/skills/poorgramer-zack/dart-expert-skills/shadcn-flutter)
Your own site
<a href="https://agentmods.dev/skills/poorgramer-zack/dart-expert-skills/shadcn-flutter"><img src="https://agentmods.dev/badge/skills/poorgramer-zack/dart-expert-skills/shadcn-flutter/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 building-shadcn-flutter-ui

Your own site · 80×15
<a href="https://agentmods.dev/skills/poorgramer-zack/dart-expert-skills/shadcn-flutter"><img src="https://agentmods.dev/badge/skills/poorgramer-zack/dart-expert-skills/shadcn-flutter.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 43 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 514 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 $0.00043 $0.00514
Opus 5 $0.00022 $0.00257
Sonnet 5 $0.00009 $0.00103
Haiku 4.5 $0.00004 $0.00051

Measured 12d ago against content hash e7c8b419b787, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

building-shadcn-flutter-ui 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 12d 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.

skills/shadcn-flutter/SKILL.md · 41 lines

What it actually says

Shadcn UI Architecture Guide

Goal

Build beautiful, accessible, and highly customizable user interfaces in Flutter using the Shadcn UI design system. This skill ensures proper framework integration (Pure, Material, or Cupertino), consistent theming, and effective use of the 30+ responsive components available in the library.

Process

🚀 High-Level Workflow

Implementing Shadcn UI involves setting up the design tokens first, then consuming specific components for layout and logic.

Phase 1: Foundation & Theming

  • Install: Add shadcn_ui to dependencies.
  • Initialize: Choose between ShadApp (Standalone) or ShadApp.custom (Material/Cupertino bridge).
  • Configure: Define ShadColorScheme and customize ShadThemeData.

Phase 2: Component Implementation

  • Typography: Strictly use ShadTextTheme styles for consistent font scaling and semantics.
  • Forms: Use ShadForm and specialized Shad*FormField widgets for unified validation.
  • Interactions: Leverage Sonner, Dialog, and Sheet for standardized overlays and user feedback.

📚 Documentation Library

Refer to these detailed guides for implementation:

Constraints

  • Theme Integrity: Never bypass the ShadTheme variables by hardcoding magic colors or spacing values.
  • Form Safety: Always use ShadForm and unique ids for form fields to ensure reliable state management and validation.
  • Accessibility: Provide proper labels and descriptions for all interactive elements using built-in properties.
  • Native Alignment: When using Material/Cupertino integration, always wrap with ShadAppBuilder to ensure overlays (Toasts/Dialogs) render correctly.
Files

What ships with it

2 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.

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. 12d ago First seen · 41 lines · 43 tokens per session scan A e7c8b419b787

Subscribe to this mod's changes

building-shadcn-flutter-ui is a skill published in the GitHub repository Poorgramer-Zack/dart-expert-skills (7 stars, last pushed 1mo ago), licensed MIT. It adds 43 tokens to every session and 514 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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