Geargrafx MCP Server vs Speclock

In-depth architectural comparison of the Geargrafx MCP Server and Speclock 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 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

S

Choose Speclock 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 Speclock Details

Feature & Specification Comparison

Specification	Geargrafx MCP Server Developer Tools	S Speclock Developer Tools
Summary	MCP server for Geargrafx PC Engine / TurboGrafx-16 emulator	AI Constraint Engine — enforces CLAUDE.md and .cursorrules as laws. 51 MCP tools.
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": {
    "geargrafx-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "skills"
      ]
    }
  }
}

{
  "mcpServers": {
    "speclock": {
      "command": "npx",
      "args": [
        "-y",
        "speclock@latest"
      ]
    }
  }
}

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