Vuln Chain Composer

Q: What is a Claude Code skill and how does the Vuln Chain Composer 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. Vuln Chain Composer is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the Security category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: Security · Sub-category: red-team · Last updated: 2026-05-21

Composes multi-step exploit chains by correlating vulnerabilities across domains, calculates real impact of chained findings, generates end-to-end PoC scripts, and produces bug bounty ready reports. Use when user asks to "chain vulnerabilities", "compose exploit chain", "correlate findings", "calculate real impact", "write bug bounty report", "combine findings", or has multiple vulnerability findings across domains that need strategic analysis. For authorized pentesting and bug bounty only.

About this skill (catalog notes)

Vuln Chain Composer includes worked examples; pricing or quota commentary; 7 code blocks for direct copy-paste. The SKILL.md runs to about 1,023 words, in the catalog's typical mid-range.

Original author: KaQus
Indexed lastmod: 2026-05-21
Catalog position: Security · red-team
Indexed related skills: 10

How Vuln Chain Composer fits the catalog

Vuln Chain Composer sits in the Security category under the red-team 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

The strategic brain. Correlates individual vulnerabilities into devastating multi-step exploit chains.

What this skill does

Vuln Chain Composer is a community-contributed Claude Code skill in the red-team sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/vuln-chain-composer/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when user asks to "chain vulnerabilities", "compose exploit chain", "correlate findings", "calculate real impact", "write bug bounty report", "combine findings", or has multiple vulnerability findings across domains that need strategic analysis. For authorized pentesting and bug bounty only.

Who uses this skill

The Vuln Chain Composer 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/vuln-chain-composer
curl -L https://claudskills.com/skills/vuln-chain-composer/SKILL.md \
  -o ~/.claude/skills/vuln-chain-composer/SKILL.md

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

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

📱 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 Vuln Chain Composer Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/vuln-chain-composer/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the Vuln Chain Composer skill do?

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 Vuln Chain Composer skill?

Use Vuln Chain Composer when your Claude Code task falls under the Security category — specifically in the red team 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 Vuln Chain Composer" or describe the task and let Claude pick). Browse related skills at /category/security/.

What is a Claude Code skill and how does the Vuln Chain Composer 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. Vuln Chain Composer 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

Source: https://github.com/KaQus/claude-code-pentest/blob/HEAD/vuln-chain-composer/SKILL.md
Author: KaQus

Cite this skill

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

APA

KaQus. (2026). Vuln Chain Composer [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/vuln-chain-composer/

BibTeX

@misc{vuln-chain-composer-2026,
  author    = {KaQus},
  title     = {Vuln Chain Composer [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/vuln-chain-composer/}
}

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