claude-red is a Python-based collection of SKILL.md files to teach Claude red-team skills across multiple categories. It provides a quickstart for cloning or sparse-checkout, and includes an install script with category options.
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What it is
claude-red is a curated library of offensive security skills for the Claude Skills system. Each skill is a structured SKILL.md file that primes Claude with expert-level methodology for a specific attack surface.
Drop a skill into your Claude environment and it behaves like a specialist: it knows the techniques, the tooling, the edge cases, and the escalation paths. Skills load on demand based on conversational triggers.
How it works
The project consists of categorized Skill files under Skills/ with dedicated SKILL.md files for each technique. Claude can load individual skills or entire categories via input prompts and system prompts, using the provided SKILL.md contents.
Getting started
"Quickstart" section shows how to clone or sparse-checkout:
# Clone into a directory Claude will scan
git clone https://github.com/SnailSploit/claude-red ~/.claude/skills/claude-red
# Or install only one category
git clone --filter=blob:none --sparse https://github.com/SnailSploit/claude-red
cd claude-red && git sparse-checkout set Skills/web Skills/active-directory
Claude will auto-load matching skills based on triggers (e.g. mentioning SQLi loads offensive-sqli).
Claude code examples show how to pipe SKILL.md contents into claude:
# Point Claude at a single skill before a session
cat Skills/web/offensive-sqli/SKILL.md | claude --system-file -
# Or load a whole category
cat Skills/active-directory/**/SKILL.md | claude --system-file -
Install Script options:
./install.sh # interactive
./install.sh --target ~/.claude/skills # explicit target
./install.sh --category web # one category
Getting started (continued)
The README also lists categories and per-category skill counts, such as 16 Web Application skills and 2 Auth & Identity skills, across various domains like Active Directory, Wireless, Cloud, Mobile, IoT & Embedded, Infrastructure & Red Team, Exploit Development, Fuzzing & Vulnerability Research, Reconnaissance, AI Security, and Utility.
Recent releases
Latest release noted: Snail Claude-Red-Skills V.2 (2026-03-08) with a link to the full changelog commits.
Traction
The repository shows 2808 stars and 457 forks in FACTS, with 3 open issues.
License
MIT license is stated in the README badge and LICENSE file reference.
Contributing
Contributions workflow is mentioned with standard section heading.
Acknowledgements
Author: Kai Aizen (SnailSploit). Links to snailsploit site and related profiles are provided in the Documentation & Author section.