claude-flet-plugin: Skill for Claude Code

.agents/skills/flet-app-workflow/SKILL.md

flet-app-workflow is a skill for Claude Code, Codex from brunobrown/claude-flet-plugin. It costs 29 tokens per session (1,172 once invoked), scanned A, original, MIT.

A guided workflow for building a Flet app, a Python application framework that can target web, mobile, and desktop platforms.

In plain words
What is it for?
Use it to plan and scaffold Flet apps from scratch, from small prototypes to larger multi-page applications.
Why use it?
It turns an app idea into a planned project structure, including pages, shared data, tests, and any external services.

Skill for Claude CodeCodex

Written for Claude Code and Codex: shipped in a Claude Code plugin, but also agents/openai.yaml present. Also seen: installed under .agents/ (shared by several agents).

This is brunobrown/claude-flet-plugin's own configuration. It tells Claude Code and Codex how to work on claude-flet-plugin 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-flet-plugin configures →

Part of the flet plugin — 6 skills, 3 commands, 2 agents shipped together

Reuse

Borrowing it

Nothing to install: this file belongs to brunobrown/claude-flet-plugin. 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/brunobrown/claude-flet-plugin/main/.agents/skills/flet-app-workflow/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/brunobrown/claude-flet-plugin

Made for: Claude Code, Codex.

Or install flet, the plugin that ships this one along with the rest of its 6 skills, 3 commands, 2 agents.

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 flet-app-workflow

README.md
[![agentmods](https://agentmods.dev/badge/skills/brunobrown/claude-flet-plugin/flet-app-workflow/github.svg)](https://agentmods.dev/skills/brunobrown/claude-flet-plugin/flet-app-workflow)
Your own site
<a href="https://agentmods.dev/skills/brunobrown/claude-flet-plugin/flet-app-workflow"><img src="https://agentmods.dev/badge/skills/brunobrown/claude-flet-plugin/flet-app-workflow/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 flet-app-workflow

Your own site · 80×15
<a href="https://agentmods.dev/skills/brunobrown/claude-flet-plugin/flet-app-workflow"><img src="https://agentmods.dev/badge/skills/brunobrown/claude-flet-plugin/flet-app-workflow.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 29 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,172 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 $0.00029 $0.01172
Opus 5 $0.00015 $0.00586
Sonnet 5 $0.00006 $0.00234
Haiku 4.5 $0.00003 $0.00117

Measured 9d ago against content hash 85f54eec2555, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

flet-app-workflow 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 9d 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.

.agents/skills/flet-app-workflow/SKILL.md · 126 lines

How it starts

The opening of the file, as written. The whole thing — 126 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Flet App Workflow

You are guiding the user through building a Flet declarative app step by step. Follow these 5 phases in order.

Before starting, confirm the app's purpose and target platforms with the user.


Phase 1: Requirements

Ask the user about:

  1. App purpose — What does the app do?
  2. Target platforms — Web, mobile (Android/iOS), desktop (macOS/Windows/Linux)?
  3. Pages needed — List the main screens/pages
  4. External services — Any Flet extensions or APIs needed?
  5. State shape — What data needs to be shared across pages?

Summarize the requirements before proceeding.


Phase 2: Project Setup

For non-trivial apps, use the Clean Architecture layout (mirrors Flutter's lib/ convention, validated in production Flet apps). For 1–2-page prototypes, use the flat fallback below.

Clean Architecture (recommended)

my_app/
├── assets/                    # fonts/, icons/, images/
├── config.py                  # Project-root config
├── pyproject.toml             # [tool.flet.app] path = "src"
├── tests/                     # conftest.py, unit/, widget/, integration/
└── src/
    ├── main.py                # ft.run(create_app, assets_dir="assets")
    ├── app.py                 # create_app(page): theme, DI, page.render_views(...)
    ├── core/                  # constants.py, enums.py, exceptions.py, logger.py
    ├── data/                  # sources/, models/, repositories/
    ├── domain/                # entities/, repositories/, services/, usecases/
    ├── presentation/          # components/, pages/, navigation/, themes/, hooks/, state_management/
    ├── services/              # api_service.py, storage_service.py, ...
    └── utils/                 # validators.py, text_utils.py, ...

Flat (prototype / very small app)

my_app/
├── pyproject.toml          # [tool.flet.app] path = "src"
└── src/
    ├── main.py
    ├── config.py
    ├── state.py
    ├── context.py
    ├── components/
    │   └── __init__.py
    └── pages/
        └── __init__.py

Read the full file on GitHub · 126 lines

Files

What ships with it

1 file 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. 9d ago First seen · 126 lines · 29 tokens per session scan A 85f54eec2555

Subscribe to this mod's changes

flet-app-workflow is a skill published in the GitHub repository brunobrown/claude-flet-plugin (3 stars, last pushed 4mo ago), licensed MIT. It adds 29 tokens to every session and 1,172 once invoked, about $0.0001 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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