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

PlayByKey Music Theory belongs to the Developer Tools category with local stdio execution, while Sleepwalker belongs to the Developer Tools category with local stdio execution.

How do I install PlayByKey Music Theory or Sleepwalker 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 Sleepwalker free or paid?

PlayByKey Music Theory operates under a Free / Open Source model (No auth required). Sleepwalker 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. Sleepwalker lists 0 tools with 0 views and 25 GitHub stars.

Can I use both PlayByKey Music Theory and Sleepwalker 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 Sleepwalker 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 Sleepwalker free to use, or do they require API keys?

PlayByKey Music Theory is listed under a Free / Open Source model with No auth required . Sleepwalker 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 Sleepwalker at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both playbykey-music-theory and sleepwalker 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. Sleepwalker holds a Quality Score of 40 /100 ( Fair ) with 0 views, 0 installs, and 25 GitHub stars.

Side-by-Side Model Context Protocol Comparison

PlayByKey Music Theory vs Sleepwalker

In-depth architectural comparison of the PlayByKey Music Theory and Sleepwalker 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

Sleepwalker

Developer Tools · Local stdio

Quality: 40/100 (Fair) | Auth: No auth required

Verdict Summary: Choose PlayByKey Music Theory if you need specialized Developer Tools tools running via a local process. Choose Sleepwalker if your workspace requires Developer Tools integration with local subprocess execution. 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 Sleepwalker 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 Sleepwalker Details

Feature & Specification Comparison

Specification	P PlayByKey Music Theory Developer Tools	Sleepwalker Developer Tools
Summary	Chords, scales, progressions, transposition, and MIDI tools for music theory AI agents.	AI Visibility and Content Intelligence tools for Claude and MCP-compatible 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.

Sleepwalker 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"
      ]
    }
  }
}

Sleepwalker Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "sleepwalker": {
      "command": "npx",
      "args": [
        "-y",
        "@sleepwalkerai/cli"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to PlayByKey Music Theory More alternatives to Sleepwalker Developer Tools category hub