Claude Code Plugins

Community-maintained marketplace

Feedback

Sample hello world tool via uloop CLI. Use when you need to test the MCP tool system or see an example of custom tool implementation.

Install Skill

Shared

Installs to .agents/skills, used by Codex, Amp, Warp, Cursor, OpenCode, and more.

CodexAmp
Warp
CursorOpenCode
Cline
Gemini CLI
GitHub Copilot
Personal

Available across projects.

$npx skills-installer add @majiayu000/claude-skill-registry/uloop-hello-world --client shared
Project

Writes to .agents/skills.

$npx skills-installer add @majiayu000/claude-skill-registry/uloop-hello-world -p --client shared
Note: Review the skill instructions before using it.

SKILL.md

name uloop-hello-world
description Returns a simple 'Hello World' message. Use this tool for testing MCP connection.

uloop hello-world

A simple tool that returns "Hello World" message.

Usage

mcp_uLoopMCP_hello-world

Parameters

None

Response

Returns a JSON object with a Message field containing "Hello World".