Vt

Skill HappyHackingSpace/skills/skills/vt

Agent Skills for Happy Hacking Space's open-source security tools. Compatible with Claude Code, OpenAI Codex, Gemini CLI, and Cursor.

Install

npx -y skills add HappyHackingSpace/skills --skill vt

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Spin up intentionally vulnerable environments from the terminal using Docker. Use when the user wants to practice security testing, set up CTF labs, exploit CVEs, or deploy vulnerable web apps like DVWA, Juice Shop, or WebGoat.

SKILL.md

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Vulnerable Target (vt)

vt is a Go CLI tool that creates intentionally vulnerable environments for security professionals, researchers, and educators using Docker Compose.

CAUTION: vt creates intentionally vulnerable environments - always run in isolated networks (VMs/sandboxes) and never expose to the internet.

Installation

Prerequisites

Go 1.24+
Docker & Docker Compose

Install with Go

go install github.com/happyhackingspace/vt/cmd/vt@latest

Build from Source

git clone https://github.com/HappyHackingSpace/vt.git
cd vt
go build -o vt cmd/vt/main.go
mv vt /usr/local/bin/

Command Reference

Command	Description
`vt template --list`	List all available templates
`vt template --list --filter <tag>`	Filter templates by tag (sqli, xss, ssrf, etc.)
`vt template --update`	Update templates from remote repository
`vt start --id <template-id>`	Start a vulnerable environment
`vt start --tags <tag1,tag2>`	Start all templates matching tags
`vt ps`	List running environments
`vt stop --id <template-id>`	Stop an environment
`vt stop --tags <tag1,tag2>`	Stop all templates matching tags
`vt -v debug <command>`	Run with debug verbosity

Available Templates

Template	Type	Description
`vt-dvwa`	Lab	Damn Vulnerable Web Application
`vt-juice-shop`	Lab	OWASP Juice Shop
`vt-webgoat`	Lab	OWASP WebGoat
`vt-bwapp`	Lab	Buggy Web Application
`vt-mutillidae-ii`	Lab	OWASP Mutillidae II

More templates at vt-templates.

Examples

# List templates with SQL injection vulnerabilities
vt template --list --filter sqli

# Start DVWA
vt start --id vt-dvwa

# Start all XSS-related labs
vt start --tags xss

# Check running environments
vt ps

# Stop a specific environment
vt stop --id vt-dvwa

Use Cases

Use Case	Template
Practice SQL Injection	vt-dvwa
Learn XSS Exploitation	vt-dvwa
Test OWASP Top 10	vt-juice-shop
Exploit Real CVEs	vt-2025-29927
API Security Testing	vt-webgoat
Train Security Teams	vt-mutillidae-ii

References

Repository: https://github.com/HappyHackingSpace/vt
Templates: https://github.com/HappyHackingSpace/vt-templates