What is the key difference between PlayByKey Music Theory and EOxElements?

PlayByKey Music Theory belongs to the Developer Tools category with local stdio execution, while EOxElements belongs to the Developer Tools category with cloud HTTP/SSE execution.

How do I install PlayByKey Music Theory or EOxElements in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are PlayByKey Music Theory and EOxElements free or paid?

PlayByKey Music Theory operates under a Free / Open Source model (No auth required). EOxElements operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

PlayByKey Music Theory lists 0 tools with 0 views and 0 GitHub stars. EOxElements lists 0 tools with 0 views and 34 GitHub stars.

Can I use both PlayByKey Music Theory and EOxElements together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install PlayByKey Music Theory or EOxElements in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are PlayByKey Music Theory and EOxElements free to use, or do they require API keys?

PlayByKey Music Theory is listed under a Free / Open Source model with No auth required . EOxElements operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both PlayByKey Music Theory and EOxElements at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both playbykey-music-theory and eoxelements as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, PlayByKey Music Theory has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. EOxElements holds a Quality Score of 44 /100 ( Fair ) with 0 views, 0 installs, and 34 GitHub stars.

Side-by-Side Model Context Protocol Comparison

PlayByKey Music Theory vs EOxElements

In-depth architectural comparison of the PlayByKey Music Theory and EOxElements MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

PlayByKey Music Theory

Developer Tools · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

EOxElements

Developer Tools · Remote HTTP/SSE

Quality: 44/100 (Fair) | Auth: No auth required

Verdict Summary: Choose PlayByKey Music Theory if you need specialized Developer Tools tools running via a local process. Choose EOxElements if your workspace requires Developer Tools integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose PlayByKey Music Theory when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore PlayByKey Music Theory Details

Choose EOxElements when:

You need dedicated capabilities in the Developer Tools domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore EOxElements Details

Feature & Specification Comparison

Specification	P PlayByKey Music Theory Developer Tools	E EOxElements Developer Tools
Summary	Chords, scales, progressions, transposition, and MIDI tools for music theory AI agents.	A server to provide information about EOxElements custom elements for coding agents.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

PlayByKey Music Theory Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

EOxElements Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

PlayByKey Music Theory Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "playbykey-music-theory": {
      "command": "npx",
      "args": [
        "-y",
        "playbykey-music-theory"
      ]
    }
  }
}

EOxElements Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "eoxelements": {
      "url": "https://eox-a.github.io/EOxElements"
    }
  }
}

Frequently Asked Questions

PlayByKey Music Theory is categorized under Developer Tools and uses a local stdio subprocess. In contrast, EOxElements belongs to Developer Tools using remote streaming HTTP/SSE transport. Select PlayByKey Music Theory when you need capabilities focused on developer tools and EOxElements when you require tools for developer tools.

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