# MCP Demo App 2026-07-28

> MCP Demo App 2026-07-28 — istvanilyes-mcp-demo-app-2026-07-28. Use this tool when you need to demonstrate and test the latest MCP protocol features, such as stateless calls and subscriptions, while ensuring backward compatibility with legacy clients. It provides a demo server for showcasing discover, multi-round-trip requests, and cache hints capabilities. Ideal for developers and testers looking to evaluate and integrate the 2026-07-28 MCP protocol revision into their applications.

Canonical page: https://skillsregistry.net/skills/istvanilyes-mcp-demo-app-2026-07-28  
JSON: https://api.skillsregistry.net/v1/skills/istvanilyes-mcp-demo-app-2026-07-28

## Description

A demo MCP server that showcases the 2026-07-28 MCP protocol revision features: discover, stateless calls, multi-round-trip requests, subscriptions, and cache hints. It also maintains backward compatibility with legacy 2025-11-25 clients.

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-08-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-08-28

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/fhiv1flhpf)
- **Repository:** <https://github.com/istvanilyes/mcp_demo_app_2026-07-28>

## 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": "istvanilyes-mcp-demo-app-2026-07-28"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/istvanilyes-mcp-demo-app-2026-07-28` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/istvanilyes-mcp-demo-app-2026-07-28/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