Cruxible Core vs Decker

In-depth architectural comparison of the Cruxible Core and Decker 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 Cruxible Core 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 Cruxible Core Details

Choose Decker when:

• You need dedicated capabilities in the Developer Tools domain.
• You prefer remote streaming HTTP/SSE transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Decker Details

Feature & Specification Comparison

Specification	Cruxible Core Developer Tools	Decker Developer Tools
Summary	Deterministic decision engine with receipts. Define rules in YAML, query a graph, get proof.	Deterministic market-state engine for trading agents — state, gate, coordinates, with receipts.
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": {
    "cruxible-core": {
      "command": "uvx",
      "args": [
        "cruxible"
      ]
    }
  }
}

{
  "mcpServers": {
    "decker": {
      "url": "https://decker-ai.com"
    }
  }
}

Related MCP Server Comparisons