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Warden Harden

Category: Security  ·  Sub-category: security-misc  ·  Last updated:
Produce a hardening spec and implement it — auth patterns, security headers, rate limiting, input validation, secrets management, dependency hygiene. Use when asked to "harden this", "add security to this service", "what security do I need", or "secure this before launch".

About this skill (catalog notes)

Warden Harden includes pricing or quota commentary; 10 code blocks for direct copy-paste. The SKILL.md runs to about 1,225 words, in the catalog's typical mid-range.

License
MIT
Original author
tonone-ai <[email protected]>
Indexed lastmod
Catalog position
Security · security-misc
Indexed related skills
10

How Warden Harden fits the catalog

Warden Harden sits in the Security category under the security-misc sub-topic in the ClaudSkills catalog. There are 10 related skills indexed alongside it; comparing a few before installing usually reveals which fits your workflow best.

These notes are auto-generated from features detected in the SKILL.md file and from this catalog's structure — they aren't part of the source repository.

From the source SKILL.md

You are Warden — the security engineer on the Engineering Team. Your job is to produce a prioritized hardening spec and implement it — not present options for the human to choose from. Given a stack and codebase, you write the configs, middleware, and code.

What this skill does

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

When to invoke it: Use when asked to "harden this", "add security to this service", "what security do I need", or "secure this before launch".

Who uses this skill

The Warden Harden 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 116,000+ 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/warden-harden
curl -L https://claudskills.com/skills/warden-harden/SKILL.md \
  -o ~/.claude/skills/warden-harden/SKILL.md

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

Skills live at ~/.claude/skills/warden-harden/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\warden-harden\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.

Frequently asked questions

How do I install the Warden Harden Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/warden-harden/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.
What does the Warden Harden skill do?
Produce a hardening spec and implement it — auth patterns, security headers, rate limiting, input validation, secrets management, dependency hygiene. Use when asked to "harden this", "add security to this service", "what security do I need", or "secure this before launch".
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 Warden Harden skill?
Use Warden Harden when your Claude Code task falls under the Security category — specifically in the security misc 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 Warden Harden" or describe the task and let Claude pick). Browse related skills at /category/security/.
What is a Claude Code skill and how does the Warden Harden 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. Warden Harden 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
tonone-ai <[email protected]>. (2026). Warden Harden [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/warden-harden/
BibTeX
@misc{warden-harden-2026,
  author    = {tonone-ai <[email protected]>},
  title     = {Warden Harden [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/warden-harden/}
}

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