---
title: "playground"
description: "A ping-pong plugin declaring every capability UZE delivers, for trying a harness by hand."
canonical: https://agentpluginsdirectory.com/plugins/playground
last-updated: 2026-10-21
---

# playground
A ping-pong plugin declaring every capability UZE delivers, for trying a harness by hand.
- Slug: playground
- Publisher: UZE
- Repository: https://github.com/uze-sh/uze
- Manifest: playground/plugin/plugin.json
- Version: 0.3.0
- Category (editorial): other
- Skills: 3 (hello, ping, secret)
- MCP servers: 1 (pingpong)
- Stars: 3
- Repository created: 2026-08-20
- Repository last pushed: 2026-10-21
- Publisher type: Organization
- Listing: https://agentpluginsdirectory.com/plugins/playground
- Schema: https://agent-plugins.org/schemas/1.0.0/plugin.schema.json

## Skills

- hello: Greets the world. Only the person can invoke it, never the model on its own.
- ping: Answers a ping with a pong. Use when someone asks to ping the playground or to check that its skills were delivered.
- secret: Knows the playground's secret word. Use when someone asks what the playground's secret word is.

Descriptions come from the frontmatter of each SKILL.md, punctuation lightly normalized.

## MCP servers

- pingpong: transport: stdio; command: playground-mcp

Read from the plugin's own mcp.json. Environment variable names only, never values.