Eresus Variant Analysis

Quality score: 70/100 · Category: Security · Sub-category: security-misc

GHSA/CVE variant analysis workflow for finding similar vulnerability patterns across a codebase. Trigger when the user asks to: "find variants of this CVE", "GHSA variant analysis", "find similar bugs", "hunt for the same pattern", "are there other places with this vulnerability?", or when a known vulnerability is discovered and the user wants to know if the same pattern exists elsewhere.

What this skill does

Eresus Variant Analysis is a production-ready Claude Code skill (quality score 70/100) in the security-misc sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/eresus-variant-analysis/ and loads when your prompt matches the skill's trigger.

Who uses this skill

The Eresus Variant Analysis skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

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

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

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

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.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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