# MCP Apps Playground

> MCP Apps Playground — digitarald-mcp-apps-playground. Use this tool when you need to interactively test and demonstrate MCP apps with bidirectional communication, solving problems such as prototyping UIs for tools like list sorting and flame graphs, with inputs including user interactions and outputs including visualized data and sorted results. It provides a demo server for showcasing HTML UIs and enables seamless communication between users and agents. Ideal for developers and testers looking to trial MCP apps in a controlled environment.

Canonical page: https://skillsregistry.net/skills/digitarald-mcp-apps-playground  
JSON: https://api.skillsregistry.net/v1/skills/digitarald-mcp-apps-playground

## Description

A demo MCP server showcasing interactive HTML UIs for tools like list sorting, flame graphs, and feature flags, enabling bidirectional communication between user and agent.

## Trust

- **Trust score (0–1):** 0.67
- **Verification tier:** scanned
- **Last scanned:** 2026-09-03

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-03

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/cv82qxjl4u)
- **Repository:** <https://github.com/digitarald/mcp-apps-playground>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "digitarald-mcp-apps-playground"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/digitarald-mcp-apps-playground` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/digitarald-mcp-apps-playground/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt