Coach Watts vs Japan Data MCP

In-depth architectural comparison of the Coach Watts and Japan Data MCP 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.

Which MCP Server Should You Choose?

Choose Coach Watts 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 Coach Watts Details

Choose Japan Data MCP 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 Japan Data MCP Details

Feature & Specification Comparison

Specification	Coach Watts Developer Tools	Japan Data MCP Developer Tools
Summary	Remote MCP server for training, nutrition, wellness, and performance data with OAuth 2.0.	29 tools for Japanese data: address, furigana, transit, Diet, holidays, weather, corporate registry
Category & Scope	Developer Tools	Developer Tools

Tools & Capabilities Breakdown

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).

{
  "mcpServers": {
    "coach-watts": {
      "command": "npx",
      "args": [
        "-y",
        "prisma"
      ]
    }
  }
}

{
  "mcpServers": {
    "japan-data-mcp-3": {
      "command": "npx",
      "args": [
        "-y",
        "@mameta/japan-data-mcp"
      ]
    }
  }
}

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