hello_world

Installation
SKILL.md

Overview

The hello_world skill is the simplest possible skill in the ecosystem. Its primary purpose is to validate the operational status of the skill runner and the agent's ability to invoke tools.

Functionality

When invoked, this skill executes a Python script that prints a greeting message to the standard output. This confirms:

  1. Script Execution: The agent can successfully locate and run a Python script.
  2. Output Capture: The system can capture the standard output from the script and return it to the agent.
  3. Tool Integration: The skill is correctly registered and accessible as a tool.

Usage

This skill is typically used in the following scenarios:

  • System Health Check: To verify that the agent and skill runner are functioning correctly.
  • Onboarding: As a first step for developers learning how to create and use skills.
  • Debugging: To isolate issues with script execution or tool invocation.

Example Command

Installs
20
GitHub Stars
262
First Seen
Jan 24, 2026
hello_world — smallnest/langgraphgo