What is mac-stats AGENTS.md?

A set of project instructions for MacStats, a macOS menu-bar app that shows CPU, memory, disk, network, battery, and process usage at a glance.

Use it when developing or reviewing this SwiftUI and AppKit app with Swift Package Manager. It covers the build setup, system metrics, concurrency requirements, and features that are out of scope.

It gives coding agents the product goals, supported macOS versions, chosen technologies, and deliberate limits so changes fit the app.

How luizhcastro/mac-stats configures Codex and OpenCode

Reuse

Borrowing it

Nothing to install: this file belongs to luizhcastro/mac-stats. 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/luizhcastro/mac-stats/main/AGENTS.md

Clone the repo

git clone --depth 1 https://github.com/luizhcastro/mac-stats

Made for: Codex, OpenCode.

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/instructions/luizhcastro/mac-stats/agents-md/github.svg)](https://agentmods.dev/instructions/luizhcastro/mac-stats/agents-md)

Your own site

<a href="https://agentmods.dev/instructions/luizhcastro/mac-stats/agents-md"><img src="https://agentmods.dev/badge/instructions/luizhcastro/mac-stats/agents-md/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/instructions/luizhcastro/mac-stats/agents-md"><img src="https://agentmods.dev/badge/instructions/luizhcastro/mac-stats/agents-md.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 5,156 This file is loaded in full into every session.

When invoked 5,156 The same file — it is already loaded in full.

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.

Model	Per session	Once invoked
Fable 5.1	$0.05156	$0.05156
Opus 5.5	$0.02062	$0.02062
Sonnet 5.5	$0.01031	$0.01031
Haiku 4.5	$0.00516	$0.00516

Measured 22d ago against content hash c97e400e4dec, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

mac-stats AGENTS.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 22d 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.

Origin

Copies of this mod

1 near-identical copy found in the catalogue:

mac-stats CLAUDE.md — 91% identical, 74 lines differ

AGENTS.md · 249 lines

How it starts

The opening of the file, as written. The whole thing — 249 lines — stays where its author put it; the contents beside it link to each section on GitHub.

MacStats — Agent Guide

Native macOS menu bar system monitor. Inspired by iStat Menus. Personal use, not App Store.

Product context

Replace macOS Activity Monitor for quick glances at CPU/RAM/Disk/Network/Battery.
Menu bar first: compact metrics always visible; dropdown for detail.
Per-process tops (CPU/RAM/Disk) so the user can spot hogs without opening Activity Monitor.
Target audience: the repo owner. No localization, no onboarding, no telemetry.

Non-goals

App Store distribution (no sandboxing, no notarization pipeline).
Cross-platform. macOS 13+ only (uses modern SwiftUI APIs + IOKit).
SMC voltage / current sensors. Keys vary per chip family and aren't mapped. (Fan RPM is supported via the SMC client added in v0.3.0; CPU/GPU/SOC temperatures via IOHID.)
Threshold-based notifications and world clocks / weather (intentionally out of scope vs iStat Menus parity).

Stack

Swift 6.3 toolchain + Swift 6 strict concurrency language mode (.swiftLanguageMode(.v6) in Package.swift). Every Sample struct is Sendable.
SwiftUI + AppKit (NSStatusItem for menu bar, SwiftUI for content).
Swift Package Manager (no Xcode project). Package.swift is the source of truth.
macOS 13+ deployment target.
No external dependencies.

Build / run

Monorepo: the Swift app lives in apps/macos/, the landing page in apps/web/ (Vite + React + Tailwind). Run the commands below from apps/macos/.

./Scripts/run.sh           # debug bundle + launch
./Scripts/bundle.sh release  # release .app
swift build -c debug       # compile only
pkill -x MacStats          # kill running instance

run.sh wraps the SPM binary into a proper .app with Info.plist (sets LSUIElement=true so the app has no Dock icon). bundle.sh also copies Resources/AppIcon.icns into the bundle and wires CFBundleIconFile = AppIcon so Finder / About show the MacStats icon.

When iterating, kill before rebuild (pkill -x MacStats). If a change looks like it didn't apply, run swift package clean — SPM has occasionally served stale binaries in this repo.

Read the full file on GitHub · 249 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.

22d ago Changed · +39 tokens per session c97e400e4dec
26d ago Changed · -1 lines · -41 tokens per session 23e0b0a56386
27d ago Changed · +4 lines · +77 tokens per session f23f5d89f2a1
2mo ago First seen · 246 lines · 5,081 tokens per session scan A b332b6c9ebfb

Subscribe to this mod's changes

mac-stats AGENTS.md is an instructions file published in the GitHub repository luizhcastro/mac-stats (28 stars, last pushed 19d ago), licensed MIT. It adds 5,156 tokens to every session, about $0.0206 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 2026-08-30.

free mac macos macos-app menu-bar menubar

mac-stats AGENTS.md next to 6 instructions from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
mac-stats AGENTS.mdluizhcastro/mac-stats	Instructions file	28	19d ago	MIT	A	5,156	Codex, OpenCode
vscode buildNext.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	9,719	GitHub Copilot
vscode oss-third-party-notices.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	5,516	GitHub Copilot
next.js AGENTS.mdvercel/next.js	Instructions file	143k	today	MIT	A	7,461	Codex, OpenCode
langchain AGENTS.mdlangchain-ai/langchain	Instructions file	149k	today	MIT	A	4,680	Codex, OpenCode
vscode copilot-instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	3,093	GitHub Copilot
vscode model-prompts.instructions.mdmicrosoft/vscode	Instructions file	195k	today	MIT	A	2,022	GitHub Copilot

mac-stats: Instructions file for Codex