MCP Server vs Relay

In-depth architectural comparison of the MCP Server and Relay 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 MCP Server 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 MCP Server Details

Choose Relay 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 Relay Details

Feature & Specification Comparison

Specification	MCP Server gooodbilling Developer Tools	Relay Developer Tools
Summary	GooodBilling 公式 MCP Server — Claude Desktop / Cursor 等の MCP 対応クライアントから AI ファーストで請求書・見積を操作する	MCP relay server for Claude Desktop <-> Claude Code communication
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": {
    "mcp-server-120": {
      "command": "npx",
      "args": [
        "-y",
        "@gooodbilling/mcp-server"
      ]
    }
  }
}

{
  "mcpServers": {
    "relay": {
      "command": "uvx",
      "args": [
        "mcp-server-relay"
      ]
    }
  }
}

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