agentmods.dev

mac-set-up CLAUDE.md

mac-set-up CLAUDE.md is an instructions file for coding agents from ben196888/mac-set-up. It costs 768 tokens per session, scanned A, original, MIT.

Instructions for a macOS setup tool that installs development software and configures system preferences through shell scripts.

In plain words
What is it for?
They help install Homebrew, command-line tools, languages, editors, browsers, terminals, Git, Zsh, and other development environment components.
Why use it?
They show how the installer coordinates many setup steps and clarify that the project has no automated test suite.

Instructions file

not rated 11 24d ago A scan 768 tokens original MIT
View the source file ben196888/mac-set-up
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.

agentmods
npx agentmods add instructions/ben196888/mac-set-up/claude-md
Clone the repo
git clone --depth 1 https://github.com/ben196888/mac-set-up

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 mac-set-up CLAUDE.md

README.md
[![agentmods](https://agentmods.dev/badge/instructions/ben196888/mac-set-up/claude-md.svg)](https://agentmods.dev/instructions/ben196888/mac-set-up/claude-md)
Your own site
<a href="https://agentmods.dev/instructions/ben196888/mac-set-up/claude-md"><img src="https://agentmods.dev/badge/instructions/ben196888/mac-set-up/claude-md.svg" alt="Measured on agentmods" height="20"></a>
Per session 768 This file is loaded in full into every session.
When invoked 768 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
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 $0.00768 $0.00768
Opus 5 $0.00384 $0.00384
Sonnet 5 $0.00154 $0.00154
Haiku 4.5 $0.00077 $0.00077

Measured 3d ago against content hash 69f29acf781a, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

mac-set-up CLAUDE.md 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 3d 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.md · 44 lines

How it starts

The opening of the file, as written. The whole thing — 44 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

What This Repo Does

This is a macOS development environment automation tool. Running ./install.sh sets up a complete dev environment in one shot: Homebrew, CLI tools, languages, IDEs, browsers, productivity apps, and system preferences.

Running

chmod +x install.sh
./install.sh

Individual scripts can also be run directly (e.g., ./languages/python.sh).

There are no build, lint, or test commands — this is a shell-based installer with no test suite.

Architecture

install.sh is the orchestrator — it sources or executes all other scripts in order:

  1. essential.sh — Xcode CLT, Rosetta 2, Homebrew (with Apple Silicon vs Intel path detection via uname -m)
  2. cli_tools.sh — OpenSSL, ripgrep, ast-grep, tree, ack
  3. git/install.sh — Git config, ed25519 SSH key generation, GitHub CLI auth
  4. zsh/install.sh — Zsh, Oh My Zsh, Starship prompt
  5. terminal.sh — Ghostty terminal
  6. languages/ — One script per language: javascript.sh (n + npm/yarn/pnpm/Deno), python.sh (pyenv + Poetry), rust.sh, go.sh, java.sh (SDKMAN), dotnet.sh, latex.sh
  7. ides.sh — VS Code, Cursor
  8. browsers.sh — Firefox (default), Chrome, Edge, DuckDuckGo
  9. devtools.sh — OrbStack, Docker CLI, kubectl, Helm, Postman, Google Cloud SDK, ChatGPT, Claude Code, Playwright CLI 9.5. agentic/install.sh — Agentic instructions, skills, and MCP setup
  10. tools.sh — AppCleaner, Spotify, Slack, Messenger, Signal, Discord, Rectangle
  11. macos.sh — System defaults: Dock (auto-hide, left position), trackpad (tap-to-click, 3-finger drag, max speed), keyboard (Caps Lock→Control), input source shortcuts, Spotlight disabling

Key Conventions

  • Homebrew prefix: Always use the BREW_PREFIX variable (set in essential.sh based on arch) rather than hardcoding paths. /opt/homebrew on Apple Silicon, /usr/local on Intel.
  • Conditional tool init in .zshrc: All tool initializations (pyenv, Poetry, SDKMAN, etc.) are wrapped in command -v <tool> >/dev/null 2>&1 guards so the shell doesn't break if a tool isn't installed.
  • Config files live alongside installers: git/.gitconfig and git/.gitignore_global are copied by git/install.sh; zsh/.zshrc is managed by zsh/install.sh.
  • Agentic setup source of truth: Manage reusable agent setup through agentic/install.sh; configuration lives in agentic/agentic.conf.
  • Always use cp, never symlinks: All install scripts must copy files/directories to their destination (e.g. cp, cp -r). Never use ln -s or ln -sf. This is a hard rule — do not change it.

Read the full file on GitHub · 44 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.

  1. 3d ago First seen · 44 lines · 768 tokens per session scan A 69f29acf781a

Subscribe to this mod's changes

mac-set-up CLAUDE.md is an instructions file published in the GitHub repository ben196888/mac-set-up (11 stars, last pushed 24d ago), licensed MIT. It adds 768 tokens to every session, about $0.0038 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 2026-08-30.

macosmacos-setupsetupsetup-macossetup-script
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