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Agent skill

iOS Sanity Check

by MacMagazine in MacMagazine/app-iOS

Read-only audit of the entire MacMagazine codebase for quality, consistency, and compliance with CLAUDE.md and .claude/rules standards.

No licenceAuto-check: notesAgent Workflows

Install iOS Sanity Check

skills CLI
$ npx skills add MacMagazine/app-iOS --skill ios-sanity-check -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install MacMagazine/app-iOS ios-sanity-check --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/MacMagazine/app-iOS.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/ios-sanity-check .claude/skills/ios-sanity-check && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
ios-sanity-check
GitHub stars
170
Token cost
~766 tokens
SKILL.md length
308 words
Files
1
Skills in repo
6
Repo updated
First seen
Licence
None found

At a glance

Read-only audit of the entire MacMagazine codebase for quality, consistency, and compliance with CLAUDE.md and .claude/rules standards.

  • Works in 10 steps: Obvious Comments → Force Unwraps in Production Code → @Observable Usage → …
  • Says sanity check
  • SKILL.md covers How to Run, Audit Dimensions and Report Format
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

iOS Sanity Check is an agent skill from MacMagazine/app-iOS. Read-only audit of the entire MacMagazine codebase for quality, consistency, and compliance with CLAUDE.md and .claude/rules standards. Use periodically, before releases, or when the user says "sanity check", "audit", "health check", or "how is the codebase".

Its SKILL.md is about 770 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Agent Workflows, covering Agent instruction files. It works with iOS. The repository describes itself as: O melhor pedaço da Maçã.

When your agent uses it

  • Says sanity check
  • How is the codebase

Example prompts

  • “sanity check”
  • “health check”
  • “how is the codebase”
  • “/ios-sanity-check”

Requirements

  • Pre-approved tools (allowed-tools): Read, Grep, Glob, Bash, Agent

Workflow steps

10 steps, taken from the step headings in SKILL.md.

  1. Obvious Comments
  2. Force Unwraps in Production Code
  3. @Observable Usage
  4. Card System Compliance
  5. Hardcoded Colors
  6. SwiftLint Compliance
  7. DRY Violations
  8. SOLID Violations
  9. Search System Integrity
  10. WebView System Integrity

What it can do on your machine

Read from SKILL.md and the folder at commit 8544bc2. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Grep
    • Glob
    • Bash
    • Agent

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

iOS Sanity Check loads about 766 tokens when it runs. Until then it costs about 69 tokens; SKILL.md has 308 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~69
When it runs · the whole SKILL.md, loaded when a task matches
~766

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check: notes

The automated check noted patterns worth knowing about, such as sudo or a known installer.

  • NotePre-approves every shell command (allowed-tools: Bash)SKILL.md
    allowed-tools: Read, Grep, Glob, Bash, Agent

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 308 words (~766 tokens).

“Run periodically to audit the codebase. This is read-only analysis — reports findings but does not modify code.”

— opening of SKILL.md by MacMagazine
name
ios-sanity-check
allowed-tools
Read, Grep, Glob, Bash, Agent

Read the full SKILL.md on GitHub

Files

Just SKILL.md in .claude/skills/ios-sanity-check of MacMagazine/app-iOS.

Open the folder on GitHubat commit 8544bc2

Compare with similar skills

iOS Sanity Check next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

iOS Sanity Check compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
iOS Sanity Check this skillMacMagazine/app-iOS170—~766Automated safety check: NotesNone
Doc Masterpoingstudios/godot-admob-plugin632—~871Automated safety check: PassMIT
Using Agent Skillsaddyosmani/agent-skills105k4 repos~2.4kAutomated safety check: PassMIT
Claude ReflectBayramAnnakov/claude-reflect1.8k2 repos~627Automated safety check: PassMIT
Writing For Agentsbestofjs/bestofjs3.1k20 repos~2.7kAutomated safety check: PassMIT
Neat-Freak Knowledge CloseoutKKKKhazix/khazix-skills21k—~1.9kAutomated safety check: PassMIT

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  • iOS Implement

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Works with

Categories

Questions about iOS Sanity Check

What does iOS Sanity Check do?

Read-only audit of the entire MacMagazine codebase for quality, consistency, and compliance with CLAUDE.md and .claude/rules standards. iOS Sanity Check is an agent skill from MacMagazine/app-iOS.claude/rules standards.

When should I use iOS Sanity Check?

iOS Sanity Check fits situations like: says sanity check; how is the codebase.

How do I install iOS Sanity Check in Claude Code?

Run `npx skills add MacMagazine/app-iOS --skill ios-sanity-check -a claude-code`. Or copy the skill folder (.claude/skills/ios-sanity-check in MacMagazine/app-iOS) into .claude/skills/ios-sanity-check in your project. Claude Code loads it when a task matches its description.

How do I install iOS Sanity Check in Codex?

Run `npx skills add MacMagazine/app-iOS --skill ios-sanity-check -a codex`. Or copy the skill folder (.claude/skills/ios-sanity-check in MacMagazine/app-iOS) into .agents/skills/ios-sanity-check in your project. Codex loads it when a task matches its description.

Can I use iOS Sanity Check in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add MacMagazine/app-iOS --skill ios-sanity-check -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/ios-sanity-check, .gemini/skills/ios-sanity-check, .github/skills/ios-sanity-check and .opencode/skills/ios-sanity-check in your project.

What does iOS Sanity Check need to run?

SKILL.md names no scripts, command-line tools or credentials: iOS Sanity Check is instructions for the agent only. Its frontmatter pre-approves these tools: Read, Grep, Glob, Bash, Agent.

Does iOS Sanity Check access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is iOS Sanity Check safe to install?

Our automated static check of SKILL.md found notes only (pre-approves every shell command (allowed-tools: bash)), nothing it rates as a warning. It is not a guarantee. Review the folder before installing.

What licence does iOS Sanity Check use?

No licence was found for iOS Sanity Check or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does iOS Sanity Check use?

About 766 tokens (SKILL.md is roughly 3.1k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to iOS Sanity Check?

Skills that share tags, products or a category with iOS Sanity Check: Doc Master (poingstudios/godot-admob-plugin, 632 stars), Using Agent Skills (addyosmani/agent-skills, 105k stars), Claude Reflect (BayramAnnakov/claude-reflect, 1.8k stars) and Writing For Agents (bestofjs/bestofjs, 3.1k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains iOS Sanity Check?

MacMagazine (a GitHub organization) maintains it in MacMagazine/app-iOS, which has 170 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on October 8, 2026.

Source: MacMagazine/app-iOS on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.