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Fort

Category: Security  ·  Sub-category: network-security  ·  Last updated:
type:audit
Use when the user wants to check, understand, or harden the security of their Mac, or asks whether their laptop is secure and what to fix. Runs a full macOS security audit, explains each finding in plain language (what it is, why it matters, what changing it would affect), and applies only the fixes the user approves. Also produces SOC 2 / ISO 27001 / NIST / CIS evidence on request. Triggers on phrases like "is my Mac secure", "audit my laptop", "harden my Mac", "what security gaps do I have", "fix my firewall / screen lock / FileVault", "check my endpoint security".
Security AStatic scan found no risk patternsHow grading works ›

From the source SKILL.md

fort is a single Go binary that runs 16 deterministic security checks on a Mac, shows the exact command and output behind each result, and can fix the ones that are safe to automate. This skill drives that CLI directly over the shell.

What this skill does

Fort is a community-contributed Claude Code skill in the network-security sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/fort/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when the user wants to check, understand, or harden the security of their Mac, or asks whether their laptop is secure and what to fix. Runs a full macOS security audit, explains each finding in plain language (what it is, why it matters, what changing it would affect), and applies only the fixes the user approves.

Who uses this skill

The Fort Claude Code skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 150,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/fort
curl -L https://claudskills.com/skills/fort/SKILL.md \
  -o ~/.claude/skills/fort/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/fort/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/fort/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\fort\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Telegram

📱 Install from your phone or desktop Telegram

Open @claudskills_bot on Telegram, tap Open Desktop App, and the desktop app installs this skill for you. Or share the bot link with a colleague — they get the same one-tap install. Learn more →

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the Fort Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/fort/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Fort skill do?
Use when the user wants to check, understand, or harden the security of their Mac, or asks whether their laptop is secure and what to fix. Runs a full macOS security audit, explains each finding in plain language (what it is, why it matters, what changing it would affect), and applies only the fixes the user approves. Also produces SOC 2 / ISO 27001 / NIST / CIS evidence on request. Triggers on phrases like "is my Mac secure", "audit my laptop", "harden my Mac", "what security gaps do I have", "fix my firewall / screen lock / FileVault", "check my endpoint security".
Is this skill free to install?
Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.
When should I use the Fort skill?
Use Fort when your Claude Code task falls under the Security category — specifically in the network security area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use Fort" or describe the task and let Claude pick). Browse related skills at /category/security/.
What is a Claude Code skill and how does the Fort skill fit in?
A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. Fort is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA
djadmin. (2026). Fort [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/fort/
BibTeX
@misc{fort-2026,
  author    = {djadmin},
  title     = {Fort [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/fort/}
}

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Security scan

Grade A · scanned 2026-07-12 — free static scan against the OWASP Agentic Skills Top 10.

No risk patterns were found in any of the ten OWASP-aligned categories. How grading works ›

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More Security skills

Browse all Security skills in the ClaudSkills registry, or explore these other picks from the same category:

Browse all Security skills → Top 100 skills
Part of ClaudSkills — the open registry for Claude Skills & Claude Code Skills.  ·  What's New  ·  Install guide  ·  About  ·  llms.txt

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