Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/duck4nh/antigravity-kit --skill pentest-expert- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads pentest-expert automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
SKILL.md
The instructions your agent reads when the skill is triggered.
Pentest Expert
Methodology
1. Reconnaissance
# Passive
whois target.com
dig target.com ANY +noall +answer
host -t mx target.com
theHarvester -d target.com -b google,bing,linkedin
# Active
nmap -sn 192.168.1.0/24 # Host discovery
nmap -sC -sV -oA scan target # Service scan
nmap -p- --min-rate=1000 target # All ports fast
2. Web Enumeration
# Directory brute
gobuster dir -u http://target -w /usr/share/wordlists/dirb/common.txt
feroxbuster -u http://target -w wordlist.txt
# Subdomain enum
subfinder -d target.com
amass enum -d target.com
# Tech detection
whatweb http://target
wappalyzer http://target
3. Vulnerability Scanning
nikto -h http://target
nuclei -u http://target -t cves/
sqlmap -u "http://target/page?id=1" --batch
Severity Rating
| Level | CVSS | Examples |
|---|---|---|
| Critical | 9.0-10.0 | RCE, Auth bypass, SQLi with data |
| High | 7.0-8.9 | Stored XSS, IDOR with sensitive data |
| Medium | 4.0-6.9 | Reflected XSS, Info disclosure |
| Low | 0.1-3.9 | Missing headers, version disclosure |
Report Structure
- Executive Summary
- Scope & Methodology
- Findings (sorted by severity)
- Remediation Recommendations
- Appendix (raw data, screenshots)
FAQ
What does the pentest-expert skill do?
Penetration testing methodology expert. OWASP, PTES, reconnaissance, scanning, exploitation, reporting. Use for security assessments.
How do I install pentest-expert?
Run npx skills add https://github.com/duck4nh/antigravity-kit --skill pentest-expert in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/pentest-expert/ (personal) or .claude/skills/pentest-expert/ (project).
Which AI agents can use pentest-expert?
Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.
Is pentest-expert safe to install?
No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.
Who maintains pentest-expert?
It is published by duck4nh in duck4nh/antigravity-kit. It has 327 recorded installs.
More from duck4nh/antigravity-kit
linux-server-expert
duck4nh/antigravity-kit
Linux server administration expert. Ubuntu/Debian, Nginx, Apache, SSL, firewall, systemd, server hardening. Use for server setup and config.
exploit-dev-expert
duck4nh/antigravity-kit
Exploit development expert. Buffer overflow, shellcode, ROP, format strings, binary exploitation. Use for exploit writing and PoC development.
web-security-expert
duck4nh/antigravity-kit
Web application security expert. OWASP Top 10, XSS, SQLi, CSRF, SSRF, authentication bypass, IDOR. Use for web app security testing.
webpack-expert
duck4nh/antigravity-kit
Webpack build optimization expert with deep knowledge of configuration patterns, bundle analysis, code splitting, module federation, performance optimization, and plugin/loader ecosystem. Use PROACTIVELY for any Webpack bundling issues including complex optimizations, build performance, custom plugins/loaders, and modern architecture patterns. If a specialized expert is a better fit, I will recommend switching and stop.
mode-exploit
duck4nh/antigravity-kit
Exploit development workflow. Use when: write exploit, PoC, payload, shellcode, bypass, buffer overflow, RCE, reverse shell.
monitoring-expert
duck4nh/antigravity-kit
Monitoring and observability expert. Logging, metrics, error tracking, health checks. Use for production monitoring setup.
Popular security skills
azure-compliance
microsoft/azure-skills
Run Azure compliance and security audits with azqr plus Key Vault expiration checks. Covers best-practice assessment, resource review, policy/compliance validation, and security posture checks. WHEN: compliance scan, security audit, BEFORE running azqr (compliance cli tool), Azure best practices, Key Vault expiration check, expired certificates, expiring secrets, orphaned resources, compliance assessment.
minimal-run-and-audit
lllllllama/rigorpilot-skills
Rigor Run skill for README-first deep learning repo reproduction. Use when the task is specifically to capture or normalize evidence from the selected smoke test or documented inference or evaluation command and write standardized reprooutputs/ files, including patch notes when repository files changed. Do not use for training execution, initial repo intake, generic environment setup, paper lookup, target selection, hidden scientific-meaning changes, or end-to-end orchestration by itself.
seo-audit
coreyhaines31/marketingskills
When the user wants to audit, review, or diagnose SEO issues on their site. Also use when the user mentions "SEO audit," "technical SEO," "why am I not ranking," "SEO issues," "on-page SEO," "meta tags review," "SEO health check," "my traffic dropped," "lost rankings," "not showing up in Google," "site isn't ranking," "Google update hit me," "page speed," "core web vitals," "crawl errors," "indexing issues," "stuck on page 2," "striking distance keywords," "title tag rewrite," "low CTR," "local SEO," "Google Business Profile," or "map pack." Use this even if the user just says something vague like "my SEO is bad" or "help with SEO" — start with an audit. For building pages at scale to target keywords, see programmatic-seo. For adding structured data, see schema. For AI search optimization, see ai-seo.
firebase-security-rules-auditor
firebase/agent-skills
Audits Firebase (Firestore, Cloud Storage) security rules for vulnerabilities, privilege escalation, role bypasses, create vs update inconsistencies, resource exhaustion, type safety, size limits, and hasOnly ownership checks. Use when auditing/reviewing rules, running red-team rule assessments, or scoring against auditor checklists. Don't use for Firebase CLI (login, deploy), Auth, Crashlytics, Remote Config, or database queries.
audit
pbakaus/impeccable
Run technical quality checks across accessibility, performance, theming, responsive design, and anti-patterns. Generates a scored report with P0-P3 severity ratings and actionable plan. Use when the user wants an accessibility check, performance audit, or technical quality review.
competitors
coreyhaines31/marketingskills
When the user wants to create competitor comparison or alternative pages for SEO and buyer-facing use. Also use when the user mentions 'alternative page,' 'vs page,' 'competitor comparison,' 'comparison page,' '[Product] vs [Product],' '[Product] alternative,' 'competitive landing pages,' 'how do we compare to X,' 'competitor teardown,' 'audit our competitor pages,' 'are our comparison pages out of date,' or 'competitive asset audit.' Use this for any content that positions your product against competitors. Covers four formats: singular alternative, plural alternatives, you vs competitor, and competitor vs competitor. For auditing existing claims (not researching competitors from scratch, which is competitor-profiling; not technical SEO on these pages, which is seo-audit), use the asset audit here. For internal battle cards and sales-specific competitor docs, see sales-enablement.