Euclid MCP vs Geargrafx MCP Server

In-depth architectural comparison of the Euclid MCP and Geargrafx MCP Server 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 Euclid 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 Euclid MCP Details

Choose Geargrafx 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 Geargrafx MCP Server Details

Feature & Specification Comparison

Specification	Euclid MCP Developer Tools	Geargrafx MCP Server Developer Tools
Summary	Deterministic logical reasoning engine — facts in Euclid IR, solutions with proof trees	MCP server for Geargrafx PC Engine / TurboGrafx-16 emulator
Category & Scope	Developer Tools	Developer Tools
Quality signal

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": {
    "euclid-mcp-2": {
      "command": "uvx",
      "args": [
        "euclid-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "geargrafx-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "skills"
      ]
    }
  }
}

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