---
title: "Piano 1024 on ChatGPT and Claude · OpenApps"
description: "Piano 1024 has 2 listings on ChatGPT and Claude, ranked #28 in ChatGPT Other. Rank, countries, tools and gaps side by side."
url: https://theopenapps.com/apps/piano-1024
---

> AI agents: this is one page of OpenApps as Markdown. https://theopenapps.com/llms.txt maps the site, the API and the MCP server.

# Piano 1024 on ChatGPT and Claude

2 listings

## Listings

### [ChatGPT Apps SDK](https://theopenapps.com/chatgpt/apps/piano-1024)

Top rank now #28 Other

Charts

1

Countries

**48/48**

Tools or skills

4

MCP server

mcp.piano1024.com

Developer

Kyung-Hoon Kim

Website

mcp.piano1024.com

Starter prompts

3

Created

Jun 21, 2026

Listing changes

—

### [Claude Connector](https://theopenapps.com/claude/connectors/piano-1024)

Top rank now —

Charts

—

Countries

Worldwide

Tools or skills

4

MCP server

mcp.piano1024.com

Developer

Chardonn.ai

Website

chardonn.ai

Starter prompts

—

Launched

Sep 27, 2026

Listing changes

—

## Gaps

### ChatGPT Apps SDK

No gaps

### Claude Connector

* **No rank**

## Tool coverage

| Tool | ChatGPT Apps SDK 4 skills | Claude Connector 4 tools |
| --- | --- | --- |
| ear training Shared | ear\_training | ear\_training |
| play music Shared | play\_music | play\_music |
| start pulse Shared | start\_pulse | start\_pulse |
| teach song Shared | teach\_song | teach\_song |

## Match

High

* **MCP host**
mcp.piano1024.com (agrees)
* **Developer**
Kyung-Hoon Kim / Chardonn.ai (no match)
* **Website**
mcp.piano1024.com (agrees)
* **Name**
Piano 1024 (agrees)