Keryx vs X402 Trinity

In-depth architectural comparison of the Keryx and X402 Trinity 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 Keryx when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore Keryx Details

Choose X402 Trinity when:

• You need dedicated capabilities in the Finance & Fintech domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).

Explore X402 Trinity Details

Feature & Specification Comparison

Specification	Keryx Finance & Fintech	X402 Trinity Finance & Fintech
Summary	Autonomous research agent that pays every source it cites in USDC on Arc via x402 micropayments.	Give an agent a wallet. Pays for x402 resources within hard limits. Base + USDC, gasless.
Category & Scope	Finance & Fintech	Finance & Fintech
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": {
    "keryx": {
      "command": "npx",
      "args": [
        "-y",
        "keryx-mcp@latest"
      ]
    }
  }
}

{
  "mcpServers": {
    "x402-trinity": {
      "command": "npx",
      "args": [
        "-y",
        "x402-trinity-whoami"
      ]
    }
  }
}

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