Defining Pentest Scope
Parse the ROE scope definition, enumerate every in-scope target (hostnames, IPs, CIDRs, URLs, cloud accounts, SaaS tenants), validate syntax, detect overlap with out-of-scope or known third-party SaaS ranges, and emit a normalized target list plus IP allowlist for scanning tools. Runs after confirming-pentest- authorization and before any cluster 1-4 scan. Use when: starting an engagement, expanding scope mid-engagement, validating that a target list matches the ROE, or generating an allowlist for an external scanner. Threshold: malformed syntax, in-scope overlap with out-of-scope, reserved or third-party SaaS ranges without acknowledgement. Trigger with: "define scope", "enumerate targets", "validate target list", "generate IP allowlist".
Security AStatic scan found no risk patternsHow grading works ›
What this skill does
Defining Pentest Scope 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/defining-pentest-scope/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when: starting an engagement, expanding scope mid-engagement, validating that a target list matches the ROE, or generating an allowlist for an external scanner. Threshold: malformed syntax, in-scope overlap with out-of-scope, reserved or third-party SaaS ranges without acknowledgement.
Who uses this skill
The Defining Pentest Scope 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 213,000+ 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/defining-pentest-scope
curl -L https://claudskills.com/skills/defining-pentest-scope/SKILL.md \
-o ~/.claude/skills/defining-pentest-scope/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/defining-pentest-scope/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/defining-pentest-scope/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\defining-pentest-scope\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 Defining Pentest Scope Claude Code skill?
Install via the ClaudSkills desktop app (one click) or copy
SKILL.md from the source repository to
~/.claude/skills/defining-pentest-scope/SKILL.md and restart Claude Code. Both flows are detailed at
claudskills.com/install/.
What does the Defining Pentest Scope skill do?
Parse the ROE scope definition, enumerate every in-scope target (hostnames, IPs, CIDRs, URLs, cloud accounts, SaaS tenants), validate syntax, detect overlap with out-of-scope or known third-party SaaS ranges, and emit a normalized target list plus IP allowlist for scanning tools. Runs after confirming-pentest- authorization and before any cluster 1-4 scan. Use when: starting an engagement, expanding scope mid-engagement, validating that a target list matches the ROE, or generating an allowlist for an external scanner. Threshold: malformed syntax, in-scope overlap with out-of-scope, reserved or third-party SaaS ranges without acknowledgement. Trigger with: "define scope", "enumerate targets", "validate target list", "generate IP allowlist".
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 Defining Pentest Scope skill?
Use Defining Pentest Scope 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 Defining Pentest Scope" or describe the task and let Claude pick). Browse related skills at
/category/security/.
What is a Claude Code skill and how does the Defining Pentest Scope 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. Defining Pentest Scope 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
Jeremy Longshore <
[email protected]>. (2026). Defining Pentest Scope [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/defining-pentest-scope/
BibTeX
@misc{defining-pentest-scope-2026,
author = {Jeremy Longshore <[email protected]>},
title = {Defining Pentest Scope [Claude Code skill]},
year = {2026},
publisher = {ClaudSkills},
url = {https://claudskills.com/skills/defining-pentest-scope/}
}Embed this skill
Promote, attribute, or link this skill from your own README, blog post, or documentation. All three snippets are free to use — no sign-up, no API key. More distribution surfaces →
Badge
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Security scan
Grade A · scanned 2026-11-01 — free static scan against the OWASP Agentic Skills Top 10.
The scan flagged 1 of 10 categories (network), including lower-severity patterns. Patterns shown inside code fences are weighted as examples rather than instructions — read the grading methodology for what this does and does not guarantee.
- ✓ Prompt injection
- ✓ Data exfiltration
- ✓ Supply chain
- ✓ Reverse shell
- ✓ Credentials
- ✓ Execution
- ✓ Filesystem
- ✓ Persistence
- ✓ Obfuscation
- ⚠ Network
Show this grade on your repo (click to copy):
[](https://claudskills.com/skills/defining-pentest-scope/#security)
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