Agent skill

macOS Initial Access

by SpecterOps in SpecterOps/skills

Provide macOS guidance for initial access using app bundles, installer packages, and disk images, including current Gatekeeper behavior and pkgbuild and hdiutil examples.

Apache-2.0Auto-check passed

Install macOS Initial Access

skills CLI
$ npx skills add SpecterOps/skills --skill macos-initial-access -a claude-code

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

GitHub CLI
$ gh skill install SpecterOps/skills macos-initial-access --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/SpecterOps/skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/tradecraft-mac/skills/macos-initial-access .claude/skills/macos-initial-access && 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
macos-initial-access
GitHub stars
702
Token cost
~588 tokens
SKILL.md length
261 words
Files
8 (incl. scripts, references, assets)
Skills in repo
38
Repo updated
First seen
Licence
Apache-2.0

At a glance

Provide macOS guidance for initial access using app bundles, installer packages, and disk images, including current Gatekeeper behavior and pkgbuild and hdiutil examples.

  • SKILL.md covers Overview, Trust controls and Format routing
  • Runs Python scripts from its folder

What it does

macOS Initial Access is an agent skill from SpecterOps/skills. Provide macOS guidance for initial access using app bundles, installer packages, and disk images, including current Gatekeeper behavior and pkgbuild and hdiutil examples.

Its SKILL.md is about 590 tokens, which your agent loads only when the skill is triggered. The skill folder holds 11 other files, including scripts, reference files and assets (for example `agents/openai.yaml`, `references/app-bundles.md` and `references/disk-images.md`).

It works with macOS. The repository describes itself as: A marketplace for LLM skills. The licence is Apache-2.0.

Example prompts

  • “/macos-initial-access”

Requirements

  • Python 3

What it can do on your machine

Read from SKILL.md and the folder at commit e655f93. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    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

macOS Initial Access loads about 588 tokens when it runs, and up to ~3.8k if it reads all its reference files. Until then it costs about 48 tokens; SKILL.md has 261 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~48
When it runs · the whole SKILL.md, loaded when a task matches
~588
With references · SKILL.md plus every file in references/, read only if the agent opens them
~3.8k

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 passed

The automated check found no risky patterns in SKILL.md.

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); the scripts in this folder are not scanned.

SKILL.md

The full file from SpecterOps/skills at commit e655f93, republished under its Apache-2.0 licence (© SpecterOps). 261 words, ~588 tokens.

Download SKILL.mdSave it as .claude/skills/macos-initial-access/SKILL.md (or your agent's skills folder). This skill also uses 7 other files; get the full folder from GitHub.
name
macos-initial-access
description
Provide macOS guidance for initial access using app bundles, installer packages, and disk images, including current Gatekeeper behavior and pkgbuild and hdiutil examples.
metadata.author
Outflank

macOS Initial Access

Overview

  • Some format-specific commands will only run on macOS.
  • Clearly label any behavior that depends on signing, quarantine, or management policy.
  • You aren't limited to the formats described in this skill.
  • Keep commands copyable, explain the expected directory layout in one sentence.

Trust controls

Explain these in one short paragraph unless the user asks for detail:

  • Code signing: Binds developer identity and integrity metadata to code; signatures also carry entitlements. Sign every nested executable, framework, and helper before signing the outer bundle.
  • Hardened Runtime: Adds runtime restrictions against injection, process tampering, unsigned executable memory, DYLD manipulation, and untrusted libraries. Exceptions require specific entitlements. It is required for notarization.
  • Notarization: Apple's automated malware and signing check for Developer ID-signed software. Successful submissions receive a ticket that Gatekeeper can retrieve or that can be stapled to apps, flat packages, and DMGs.
  • Gatekeeper: Evaluates downloaded or quarantined software using signature, notarization, provenance, integrity, and known-malware checks, then asks for user approval when appropriate.

Format routing

Identify the format or formats the user asks about, then read only the matching reference files. Do not preload unrelated format references. If the user asks only about trust controls, read no format reference. If the user requests a comparison of all options, read all three.

  • App bundles (.app): Applications containing an Info.plist and a Mach-O executable. See references/app-bundles.md.
  • Installer packages (.pkg): Component or product packages containing payload files and optional preinstall or postinstall scripts, with system or current-user installation domains. See references/installer-packages.md.
  • Disk images (.dmg): Delivery containers commonly used to distribute app bundles. See references/disk-images.md.

© SpecterOps, Apache-2.0. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 7 other files (scripts, references, assets) in plugins/tradecraft-mac/skills/macos-initial-access of SpecterOps/skills.

  • SKILL.md
  • agents/openai.yaml
  • assets/icon.png
  • assets/icon.svg
  • references/app-bundles.md
  • references/disk-images.md
  • references/installer-packages.md
  • scripts/image-to-icns.py

Open the folder on GitHubat commit e655f93

Compare with similar skills

macOS Initial Access 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.

macOS Initial Access compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
macOS Initial Access this skillSpecterOps/skills702—~588Automated safety check: PassApache-2.0
Site ArchitectureAvdLee/RocketSimApp80311 repos~3.3kAutomated safety check: PassCustom licence
Engine Whats Newflutter/flutter179k—~978Automated safety check: PassBSD-3-Clause
macOS Spm App PackagingDimillian/Skills4k5 repos~1.2kAutomated safety check: PassMIT
Openclaw Live Updateropenclaw/openclaw392k—~3.7kAutomated safety check: PassMIT
Orca iOS Simulator Controlstablyai/orca87k1 repos~584Automated safety check: PassApache-2.0

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Works with

Questions about macOS Initial Access

What does macOS Initial Access do?

Provide macOS guidance for initial access using app bundles, installer packages, and disk images, including current Gatekeeper behavior and pkgbuild and hdiutil examples. macOS Initial Access is an agent skill from SpecterOps/skills. Provide macOS guidance for initial access using app bundles, installer packages, and disk images, including current Gatekeeper behavior and pkgbuild and hdiutil examples.

How do I install macOS Initial Access in Claude Code?

Run `npx skills add SpecterOps/skills --skill macos-initial-access -a claude-code`. Or copy the skill folder (plugins/tradecraft-mac/skills/macos-initial-access in SpecterOps/skills) into .claude/skills/macos-initial-access in your project. Claude Code loads it when a task matches its description.

How do I install macOS Initial Access in Codex?

Run `npx skills add SpecterOps/skills --skill macos-initial-access -a codex`. Or copy the skill folder (plugins/tradecraft-mac/skills/macos-initial-access in SpecterOps/skills) into .agents/skills/macos-initial-access in your project. Codex loads it when a task matches its description.

Can I use macOS Initial Access 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 SpecterOps/skills --skill macos-initial-access -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/macos-initial-access, .gemini/skills/macos-initial-access, .github/skills/macos-initial-access and .opencode/skills/macos-initial-access in your project.

What does macOS Initial Access need to run?

Going by SKILL.md and its folder, macOS Initial Access needs Python for the scripts in its folder. Our summary lists: Python 3.

Does macOS Initial Access 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 macOS Initial Access safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does macOS Initial Access use?

macOS Initial Access is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does macOS Initial Access use?

About 588 tokens (SKILL.md is roughly 2.4k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 3.2k tokens, read only when the agent opens those files.

What are the alternatives to macOS Initial Access?

Skills that share tags, products or a category with macOS Initial Access: Site Architecture (AvdLee/RocketSimApp, 803 stars), Engine Whats New (flutter/flutter, 179k stars), macOS Spm App Packaging (Dimillian/Skills, 4k stars) and Openclaw Live Updater (openclaw/openclaw, 392k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains macOS Initial Access?

SpecterOps (a GitHub organization) maintains it in SpecterOps/skills, which has 702 GitHub stars. The repository holds 38 skills in this directory. The repository was last updated on September 23, 2026.

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