Agent skill
vt
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.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/vt
SKILL.md
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
Recommended Agent Skills
Expand your agent's capabilities with these related and highly-rated skills.
majiayu000/claude-skill-registry
agent-ops-spec
Manage specification documents in .agent/specs/. Use when user provides requirements, acceptance criteria, or feature descriptions that need to be tracked and validated against implementation.
majiayu000/claude-skill-registry
agent-ops-state
Maintain .agent state files. Use at session start, after meaningful steps, and before concluding: read/update constitution/memory/focus/issues/baseline consistently.
majiayu000/claude-skill-registry
agent-ops-spec
Manage specification documents in .agent/specs/. Use when user provides requirements, acceptance criteria, or feature descriptions that need to be tracked and validated against implementation.
majiayu000/claude-skill-registry
agent-ops-testing
Test strategy, execution, and coverage analysis. Use when designing tests, running test suites, or analyzing test results beyond baseline checks.
majiayu000/claude-skill-registry
agent-ops-testing
Test strategy, execution, and coverage analysis. Use when designing tests, running test suites, or analyzing test results beyond baseline checks.
majiayu000/claude-skill-registry
agent-ops-state
Maintain .agent state files. Use at session start, after meaningful steps, and before concluding: read/update constitution/memory/focus/issues/baseline consistently.
Didn't find tool you were looking for?