What is flutter-setting-up-on-macos?

A setup guide for preparing macOS to build, run, and deploy Flutter applications for iOS or macOS. Flutter is a toolkit for building apps from shared code.

Use it when installing Flutter on a Mac, configuring command-line tools, or preparing builds for Apple platforms.

It explains the Apple-specific tools and configuration needed for Flutter development, including Xcode and CocoaPods.

flutter-setting-up-on-macos — Skill for Claude Code and Codex by mdaza

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 mdazadhossain95/flutter-agent-skills --skill flutter-setting-up-on-macos

Clone the repo

git clone --depth 1 https://github.com/mdazadhossain95/flutter-agent-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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/mdazadhossain95/flutter-agent-skills/flutter-setting-up-on-macos/github.svg)](https://agentmods.dev/skills/mdazadhossain95/flutter-agent-skills/flutter-setting-up-on-macos)

Your own site

<a href="https://agentmods.dev/skills/mdazadhossain95/flutter-agent-skills/flutter-setting-up-on-macos"><img src="https://agentmods.dev/badge/skills/mdazadhossain95/flutter-agent-skills/flutter-setting-up-on-macos/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/mdazadhossain95/flutter-agent-skills/flutter-setting-up-on-macos"><img src="https://agentmods.dev/badge/skills/mdazadhossain95/flutter-agent-skills/flutter-setting-up-on-macos.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 836 The whole file, excluding the scripts and references it only reads on demand.

Security scan C 2 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.

Model	Per session	Once invoked
Fable 5.1	$0.00040	$0.00836
Opus 5	$0.00020	$0.00418
Sonnet 5	$0.00008	$0.00167
Haiku 4.5	$0.00004	$0.00084

Measured 10d ago against content hash 30867e9264e0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade C, and why

flutter-setting-up-on-macos scanned grade C with 2 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 10d 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.

Asks the agent to reveal its instructionsmediumSystem prompt leakage

Directions to print, repeat or translate the system prompt extract configuration the operator did not intend to expose.

- [ ] **Fix & Retry**: If errors or missing components are reported under the Xcode section, resolve them according to the output instructions, then re-run `flutter doctor -v` until the Xcode section passes.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

sudo sh -c 'xcode-select -s /Applications/Xcode.app/Contents/Developer && xcodebuild -runFirstLaunch'

skills/flutter-setting-up-on-macos/SKILL.md · 76 lines

How it starts

The opening of the file, as written. The whole thing — 76 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Setting Up a macOS Environment for Flutter Development

Prerequisites
Tooling Configuration
Workflow: Configuring macOS Tooling
Workflow: Validating the Environment
Troubleshooting

Prerequisites

Ensure the following baseline requirements are met before configuring the macOS-specific toolchain:

macOS operating system.
Flutter SDK installed and added to the system PATH.
Active internet connection for downloading toolchains and dependencies.

Tooling Configuration

macOS desktop development requires specific Apple toolchains to compile and debug native Swift and Objective-C code.

Xcode: Required for compiling macOS desktop applications.
CocoaPods: Required for managing native dependencies used by Flutter plugins.

Workflow: Configuring macOS Tooling

Copy and follow this checklist to configure the macOS build environment.

Install Xcode: Install the latest version of Xcode from the Mac App Store or the Apple Developer portal.
Configure Command-Line Tools: Link the Xcode command-line tools to the installed Xcode version. Run the following command in the terminal:
```
sudo sh -c 'xcode-select -s /Applications/Xcode.app/Contents/Developer && xcodebuild -runFirstLaunch'
```
Conditional: If Xcode is installed in a custom directory, replace /Applications/Xcode.app with the correct absolute path.
Accept Xcode Licenses: Accept the required developer licenses by running:
```
sudo xcodebuild -license
```
Read and agree to the prompts.
Install CocoaPods: Install CocoaPods to handle native macOS plugin dependencies.
```
sudo gem install cocoapods
```
Conditional: If CocoaPods is already installed, ensure it is updated to the latest version (sudo gem update cocoapods).

Workflow: Validating the Environment

Read the full file on GitHub · 76 lines

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.

10d ago First seen · 76 lines · 40 tokens per session scan C 30867e9264e0

Subscribe to this mod's changes

flutter-setting-up-on-macos is a skill published in the GitHub repository mdazadhossain95/flutter-agent-skills (2 stars, last pushed 2mo ago), licensed MIT. It adds 40 tokens to every session and 836 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it C with 2 findings (asks the agent to reveal its instructions, asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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flutter-setting-up-on-macos