Cruxible Core vs Subgraph Registry MCP

In-depth architectural comparison of the Cruxible Core and Subgraph Registry 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 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 Subgraph Registry 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 Subgraph Registry MCP Details

Feature & Specification Comparison

Specification	Cruxible Core Developer Tools	Subgraph Registry MCP Developer Tools
Summary	Deterministic decision engine with receipts. Define rules in YAML, query a graph, get proof.	Discover and query 14,700+ classified subgraphs on The Graph Network
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": {
    "cruxible-core": {
      "command": "uvx",
      "args": [
        "cruxible"
      ]
    }
  }
}

{
  "mcpServers": {
    "subgraph-registry-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "subgraph-registry-mcp"
      ]
    }
  }
}

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