Netcat Network Utility

Netcat Network Utility is an Automation skill for Claude Code, published by AgentSecOps in SecOpsAgentKit.

204 stars39 forkson AgentSecOps/SecOpsAgentKitAdded 2026/09/05+1% in starsRepository updated 2026/04/15

agentsai-agentsanthropicappsecclaude-codedastdevsecopsllm-toolssastsecuritysecurity-automationsecurity-toolsshift-leftvulnerability-scanning

Install in seconds

Install Netcat Network Utility

Copy Netcat Network Utility into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/AgentSecOps/SecOpsAgentKit/tree/main/skills/offsec/network-netcat ~/.claude/skills/network-netcat

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/AgentSecOps/SecOpsAgentKit.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/offsec/network-netcat/SKILL.md in AgentSecOps/SecOpsAgentKit
Installs to: ~/.claude/skills/network-netcat
Collection: One of 25 skills cataloged from this repository
Category: Automation — 1956 skills

What Netcat Network Utility does

Netcat Network Utility reads and writes data across TCP/UDP connections for connectivity checks, banner grabbing, file transfers, and shell setups. Use it for authorized network testing and basic service enumeration.

Netcat Network Utility is cataloged under Automation on DirSkills. Netcat Network Utility comes from a repository tagged agents, ai-agents, anthropic, appsec and claude-code.

Documentation

README

Excerpt

Netcat Network Utility

Overview

Netcat (nc) is the "Swiss Army knife" of networking tools, providing simple Unix utility for reading and writing data across network connections. This skill covers authorized offensive security applications including reverse shells, bind shells, file transfers, port scanning, and banner grabbing.

IMPORTANT: Netcat capabilities can be used maliciously. Only use these techniques in authorized penetration testing environments with proper written permission.

Quick Start

Basic connection and listening:

# Listen on port 4444
nc -lvnp 4444

# Connect to remote host
nc <target-ip> <port>

# Banner grab a service
echo "" | nc <target-ip> 80

# Simple port scan
nc -zv <target-ip> 1-1000

Core Workflow

Netcat Operations Workflow

This is the opening of the README. Read the full README on GitHub.

Commands Netcat Network Utility provides

Slash commands named in this skill’s SKILL.md, listed in the order they first appear.

/page
/create
/tn
/tr
/sc
/ru

Frequently asked about Netcat Network Utility

What else does AgentSecOps publish alongside Netcat Network Utility?
Netcat Network Utility is one of 25 skills that DirSkills catalogs from AgentSecOps/SecOpsAgentKit, the repository it ships in. Its siblings there include Api Spectral, Bandit Python SAST and Black Duck SCA. Each one is a separate skill with its own page in this directory, installs the same way Netcat Network Utility does, and is maintained by AgentSecOps in that same repository. The rest of the collection is listed on the AgentSecOps/SecOpsAgentKit page.
How does Netcat Network Utility compare to other Automation skills?
Netcat Network Utility ranks #1743 by stars among the 1956 Automation skills in this catalog. The most-starred ones next to it are Autonomous Loops, Autonomous Agent Harness and Automation Audit Ops. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Netcat Network Utility against them. Open each page to compare what they document and how they install.