A versatile networking utility designed to read and write data across TCP and UDP connections for debugging and port scanning.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install nc-tool
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install nc-tool using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is NC - Netcat Network Utility?
The NC-Tool is a robust implementation of the classic Netcat utility, optimized for modern AI agent workflows. It provides a reliable interface for interacting with network sockets, allowing developers to perform complex network diagnostics and establish raw data streams between hosts. As a foundational component of Openclaw Skills, it bridges the gap between high-level logic and low-level networking.
Whether you are verifying firewall rules, testing service availability, or piping data across a distributed system, this tool offers the flexibility required for professional network administration. It supports both IPv4 and IPv6 protocols, ensuring compatibility across diverse infrastructure environments.
NC - Netcat Network Utility Use Cases
- Verifying if specific ports are open on a remote server during deployment.
- Establishing a temporary listening socket to receive logs or file transfers.
- Debugging TCP/UDP service responses by sending manual payloads.
- Performing lightweight port scans to audit network security postures.
How NC - Netcat Network Utility Works
- The user specifies the target host, port, and protocol (TCP by default or UDP via flag).
- The tool initializes a socket connection through the host operating system's network stack.
- In client mode, it establishes a three-way handshake (for TCP) and opens a bidirectional data channel.
- In listen mode, it binds to a local port and waits for incoming packets from remote clients.
- Standard input (stdin) is piped to the network socket, while incoming data from the socket is routed to standard output (stdout).
NC - Netcat Network Utility Setup
To integrate this utility into your environment, follow the standard installation pattern for Openclaw Skills:
# Install the nc-tool package
openclaw install nc-tool
# Verify the installation
nc-tool --version
NC - Netcat Network Utility Data Schema & Taxonomy
The skill manages network interactions using a streamlined schema to ensure consistency across different Openclaw Skills implementations:
| Parameter | Type | Description |
|---|---|---|
host |
String | The target IP address or domain name. |
port |
Integer/Range | The target port number or a range (e.g., 20-80). |
protocol |
Enum | Defines the connection type: tcp or udp. |
mode |
String | Operation mode: connect or listen. |
verbose |
Boolean | Enables detailed logging of the connection lifecycle. |
NC - Netcat Network Utility Advanced Features
- Support for port range scanning using the -z flag for quick discovery.
- Persistent listener mode to handle multiple sequential connections.
- Customizable timeouts to prevent hanging processes in automated scripts.
- Integration-ready output formats for piping network data into other AI-driven analysis tools.
SKILL.md
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